Coilcraft, Inc. Datasheets for Power Transformers

Power transformers convert power-level voltages from one level or phase configuration to another.  They can include features for electrical isolation, power distribution, and control and instrumentation applications.
Power Transformers: Learn more

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Product Name Notes
Coilcraft LPD3015 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD4012 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD5010 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD5030 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD5030V Series surface-mount 1:1 coupled power inductors feature higher isolation and are suitable for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make...
Coilcraft LPD6235 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD8035V Series surface-mount 1:1 coupled power inductors feature higher isolation and are suitable for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make...
Coilcraft LPR4012 Series low-profile 1:N coupled power inductors are ideal for a variety of voltage step-up and step-down applications, including low voltage step-up in energy harvesting designs. They offer excellent...
Coilcraft LPR6235 Series low-profile 1:N shielded coupled power inductors are ideal for a variety of voltage step-up and step-down applications, including low voltage step-up in energy harvesting designs. They offer...
Coilcraft’s 1812TRX Ethernet isolation transformer features a fully automated construction, not only reducing cost but also increasing reliability. Its compact surface mount package measures just 4.5 x 3.2 x 3.1...
Coilcraft's MSC1278 Series of loosely coupled inductors were designed for SEPIC applications where loose coupling is desired. They are magnetically shielded to minimize EMI and feature high saturation current ratings...
Coilcraft's MSD1048 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
Coilcraft's MSD1260 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
Coilcraft's MSD1260T Series of 1:1 high-temperature coupled power inductors are used in Flyback, SEPIC, Ćuk, Zeta and other applications. The MSD_T family features magnetic shielding for compact packaging and tight...
HTX7045C Series transformers feature a chip-style construction – a significant advancement over traditional core and bobbin designs that not only reduces the size of the component, but also streamlines the...
Our versatile LPH8045 Series shielded coupled inductors include three 1:1 windings for a variety of configurations as transformers, or as a SEPIC inductor. Magnetic shielding allows high density mounting. Three...
Planar Transformer optimized for PoE DC/DC Powered Device (PD) resonant forward converters. Designed to meet IEEE802.3bt standard Perfect solution for high power PoE applications up to 100 W Optimized for...
The AC1584-AL no-opto flyback transformer is designed for the EVL8017-L-00B PoE PD Flyback converter evaluation board from Monolithic Power. It has no auxiliary winding, specifically designed for active-clamp, primary side...
The HTX7045 introduces a chip-style construction that represents an advancement over traditional core and bobbin designs. This innovative approach not only reduces the size of the component, but also streamlines...
This power factor correction choke is designed specifically for the STMicroelectronics L6562 PFC controller. It is intended for use in IEC61000-3-2 compliant switch mode power supplies used in televisions, desktop...
Transformers // Power-Transformers // CCFL-Transformers // FL // FL2810-1L
Transformers // Power-Transformers // CCFL-Transformers // FL // FL3209-5L
Transformers // Power-Transformers // CCFL-Transformers // FL // FL3209-6L
Transformers // Power-Transformers // Power-Converter-Tran sformers // B0392 // B0434-AL
Transformers // Power-Transformers // Power-Converter-Tran sformers // C0972 // B0754-AL
Transformers // Power-Transformers // Power-Converter-Tran sformers // CU8758 // CU8758-AL
Transformers // Power-Transformers // Power-Over-Ethernet // HPX2126 // HPF2187L
Can be used with Linear Technology LT1725 Flyback Controller. Suitable for use in PoE applications. Ideal for use in telecommunications isolated converters and isolated power supplies Six 1:1 windings
Designed for 20 Watt applications Operates in continuous conduction mode at 250 kHz with 42 – 57 V input voltage
Designed for applications up to 30 Watts in forward converter topologies. Developed to meet IEEE 802.3at-2009 standard. 36 – 72 V input 250 kHz switching frequency 12 V aux winding...
Designed for Cold Cathode Fluorescent Lamp power supplies operating up to 100 kHz. Output power from 3.5 to 6.0 Watts Designs for Royer and full-bridge topologies Three different SMT packages...
Designed for forward topology operating at 250 kHz; Input voltage range: 33 – 57 V Three versions for 3.3, 5.0 and 12 Volt output Bias winding output: 12 V, 20...
Designed for ON Semiconductor Power Factor Correction and Flyback Controllers Requires only 1.5 sq cm of board space Operating frequency from 20 kHz to 250 kHz
Designed for ST PM8800 PoE Powered Device Controller
Designed for transformer coupled MOSFET and IGBT gate drive circuits Operating frequency from 50 kHz to 2.5 MHz Industry standard EP5 surface mount package Primary to secondary isolation: 1500 Vdc.
Designed for transformer coupled MOSFETand IGBT gate drive circuits Specified by Texas Instruments for its POE+PHYTEREV-I/-E evaluation board Specified by Microsemi for its PD70211EVB51F-12 evaluation board Operating frequency from 50...
Designed for use in forward converters with Maxim MAX5074 Isolated PWM Power IC Can be used in Power over Ethernet (PoE) applications Ideal for telecom applications with an input from...
Designed for use up to 1 MHz and above Sensed current is 80 A and higher Very low primary resistance 5000 Vrms, one minute isolation (hipot) between windings Designed to...
Designed for use with Freescale Semiconductor MC34670 PD interface Industry standard, compact EP13 package
Designed for use with Linear Technology LT3750 Capacitor Charger Controller Smaller footprint than other transformers for this application For charging capacitors to 300 V Shown on LT3750 application note for...
Designed for use with Linear Technology LT3751 Capacitor Charger Controller For charging capacitors to 500 V Coilcraft DA2033-AL and DA2034-AL are specified for 5 A and 10 A applications COTS...
Designed for use with Linear Technology LTC4267 PoE PD interface Ideal for use in isolated converters and isolated power supplies
Designed for use with STMicroelectronics STLC3075 & STLC3085 POTS interface Provides negative battery voltage to the microchip Versions for 4.5 – 8.5 V and 8.5 – 12 V inputs
Designed for use with Texas Instruments UCC28600 Green Mode Controller. Specified in SLUU256A for TI evaluation module. Operates in discontinuous mode at frequencies up to 140 kHz.
Designed in accordance with Power Integrations Report EPR-86 14 V bias winding output
Designed specifically for use with Intersil ISL6401 family Low profile design
Developed for Akros Silicon AS1130, 30 W PoE Controller Designed for forward topology operating at 350 kHz Input filter inductor: DO1608C-103 Output filter inductor: MSS1278-683
Developed for Analog Devices ADP1051 Eighth Brick Power Module AEC-Q200 Grade 1 (−40°C to +125°C) Sensed current up to 20 Amps Designed for use between 16 kHz to 1 MHz...
Developed for applications with 10 – 14 V input Bias winding provides power to the chipset RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations
Developed for Linear LT1725 Isolated Flyback Controller Can be used in isolated and non-isolated designs and in PoE applications Interleaved secondary windings RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over...
Developed for Linear Technology DC1739B-C Active Clamp forward Converter Requires only 1.1 sq cm of board space; only 3 mm high
Developed for Linear Technology for use with the LT3799 Isolated LED Controller with active power factor correction Mounted on LT3799 Demo Board Universal input; 24 Watt output
Developed for Linear Technology LT3573 Isolated Flyback Converter Can also be used in PoE applications Bias winding provides power to the chipset
Developed for Linear Technology LT3751 Capacitor Charger Controller
Developed for Linear Technology LTC3300‑1 Bidirectional Cell Balancer
Developed for Maxim MAX17595 Flyback Controller. Input voltage: Universal and telecom (36 V – 72 V)
Developed for Maxim MAX5941A PoE Interface/PWM Controller
Developed for Maxim MAX5941A PoE Interface/PWM Controller Interleaved primary and secondary windings RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel over phos bronze terminations
Developed for Maxim MAX5941B PoE Interface/PWM Controller Designed for 13 W PoE applications RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations
Developed for Maxim MAX5941B PoE Interface/PWM Controller IEEE 802.3af compliant PoE forward converter applications Low profile, surface mount transformer 275 kHz switching frequency at a 50% duty cycle
Developed for Microchip for their Grid-Connected Solar Microinverter using dsPIC For 220 Vac applications, KA4823-BL has been replaced by KA4823-CL, which has a higher SRF and higher efficiency. Listed on...
Developed for Microchip to operate with PIC16HV785 CMOS Microcontroller and MCP1402 Gate Driver Universal AC input 12 V bias winding output powers the microcontroller
Developed for Monolithic Power Systems MP8007 Flyback Reference Design for IEEE802.3af compliant PoE applications. Operates in continuous conduction mode with 36 – 57 V input.
Developed for National Semiconductor LM5070 'AE' PoE Interface IEEE 802.3af compliant for 13 W PoE applications Industry standard EP13 surface mount package Three different output current and voltages Designed to...
Developed for ON Semi NCP101X Self-Supplied Monolithic Switcher A9619-CL provides 7 Watts output for 120 Vac applications B0570-BL provides 15 Watts for 230 Vac applications. RoHS-compliant. Tin-silver over tin over...
Developed for ON Semi NCP1216A DC/DC Single-Ended Forward Converter Specified in Application Note AND8161/D with DS3316P inductors C0972-AL Transformer features low DCR and excellent leakage inductance B0754-AL Inductor features excellent...
Developed for ON Semiconductor NCP1236 Fixed Frequency PWM Controller and NCP4305FBDAP 65W Off-Line AC/DC Adapter Universal input; 66 Watt output Copper shield minimizes EMI radiation
Developed for ON Semiconductor NCP1606 PFC controller. Designed to operate in 100 Watt applications. Auxiliary winding provides Zero Current Detection (ZCD) information. Referenced as LBOOSTin application note AND8282/D. Also see...
Developed for ON Semiconductor NCP1606 PFC Controller Designed for 90 W application
Developed for ON Semiconductor NCP1606 PFC controller Referenced as LBOOSTin application note AND8282/D Designed to operate in 100 Watt applications Auxiliary winding provides Zero Current Detection (ZCD) information
Developed for ON Semiconductor NCP1606 / 7 / 8 PFC controllers. Replaces FA2890-CL boost inductor Designed to operate in 100 Watt applications. Auxiliary winding provides Zero Current Detection (ZCD) information
Developed for PoE Plus applications to meet the IEEE 802.3at (PoE+) standard Exceeds the return loss requirements of Gbit Ethernet Designed for 2-line systems 350 µH minimum at 20 mA...
Developed for Silicon Laboratories Si3402 PD Controller up to 15 W Designed to operate in continuous mode at 250 kHz 36 – 72 Vdc input AEC-Q200 Grade 3 (−40°C to...
Developed for Silicon Labs Si3406, Si34061, and Si34062 30 W PD Flyback POE Designed to meet 30 W PoE IEEE 802.3at-2009 standard Optimized for 220 kHz with 36 – 57...
Developed for ST Microelectronics STE12PS 12-Channel PSE Power Controller
Developed for STMicroelectronics ST PM8804 and ST PM8805 Optimized for STMicroelectronics high-power PoE PD controller evaluation board STEVAL-POE00xV1 Designed to meet IEEE802.3bt standard Perfect solution for high power PoE applications...
Developed for Texas Instruments LM5001 Switch Mode Regulator Isolated flyback transformer designed to operate in continuous mode Designed for 16 – 36 Volt input; 250 kHz operating frequency
Developed for Texas Instruments LM5015 Two-Switch Forward Regulator Designed for forward topology operating at 250 kHz; Input voltage range: 18 – 36 V Five versions for 3.3, 5, 9, 12...
Developed for Texas Instruments LM5015 Two-Switch Forward Regulator Designed for forward topology operating at 250 kHz; Input voltage range: 9 – 18 V Five versions for 3.3, 5, 9, 12...
Developed for Texas Instruments LM5015 Two-Switch Forward Regulator Designed for two-switch forward topology operating at 250 kHz FCT1-50M2S is referenced on TI application note AN-1724 as CA2983-CL and on AN-1725...
Developed for Texas Instruments LM5070 PoE Interface IEEE 802.3af compliant for 3 W PoE applications Industry standard EP7 surface mount package Three different output current and voltages Designed to operate...
Developed for Texas Instruments LM5070 PoE Interface IEEE 802.3af compliant for 7 W PoE applications Industry standard EP10 surface mount package Three different output current and voltages Designed to operate...
Developed for Texas Instruments LM5071 and LM5072 PD Controllers Can accept 12 V input from auxiliary sources. Coilcraft's DA2257-AL and DA2383-AL are also specified by TI for LM5071 & LM5072...
Developed for Texas Instruments LM5071 and LM5072 PD Controllers Specified in TI application note AN-1430 Designed to operate in continuous mode at 250 kHz with input voltage of 14 –
Developed for Texas Instruments LM5071PD Controller Offers 84% efficiency as specified in Texas Instruments application note AN-1430 Designed to operate in continuous mode at 250 kHz with input voltage of...
Developed for Texas Instruments LM5072 PD Interface for 24 Watt PoE applications Specified by Texas Instruments for its POE+PHYTEREV-I/-E eval board Five different outputs to match a variety of applications...
Developed for Texas Instruments TPS23753 for use at 125 kHz. Windings optimized for hiccup overload protection
Developed for Texas Instruments TPS68000 full bridge CCFL Controller Specified by TI in TPS68000EVM-202 dual-transformer reference design
Developed for the Texas Instruments Isolated Flyback DC-DC converter reference design (PMP9801) based on the TPS61046 boost converter. Output of the auxiliary winding is 5 V, 2 mA, used to...
Developed for the TI LM5070 PD Interface in 13 W applications Operates at frequencies up to 1 MHz RoHS-compliant 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze terminations...
Developed for TI LM5020 PWM Controller Can be used in PoE applications 1 MHz operating frequency Low profile, surface mount
Developed for TI TPS23750 PoE PD controller (PMP717 reference design) Designed for discontinuous mode in isolated, non-synchronous power supplies.
Developed for TI TPS23750 PoE PD controller (PMP929 reference design) Isolated, synchronous flyback transformers for IEEE 802.3af PoE applications
Developed for TI TPS23754 PoE Interface and DC/DC Converter
Developed for TI TPS2375x PoE Interface and DC/DC Converters
Developed for TI UCC1809/2809/3809 Primary Side Controller Designed for 50 W dc-to-dc fixed frequency current mode switching power supplies
Developed for use with ADI's ADM2482E and ADM2487E RS-485 Transceivers Center tapped primary and secondary
Developed for use with Microsemi UC3844 Current Mode Controller and LX1752 Buck Regulator T1 on PoE PD Power Supply Evaluation Board (AN-37)
Developed for use with NXP Semiconductor SSL2103 SMPS Controller for dimmable LED lighting
Developed for use with ON Semiconductor NCP1027 Standby Power Supply Specified in Application Note AN8241/D Designed for for universal input, 85 – 265 Vac Operates in continuous conduction mode at...
Developed for use with Texas Instruments TPS23756 High Power / High Efficiency PoE Interface and DC / DC Controller. Designed for forward topology operating at 250 kHz with an extended...
Developed for use with the Maxim MAX17497A/B AC-DC and DC-DC Peak-Current-Mode Converters for wide input-voltage nonisolated power supplies to supply multiple output rails for smart meters, industrial control and similar...
Developed to meet the IEEE 802.3at-2009 and IEEE 802.3.bt Type 3 standard for PoE+ and PoE++ applications Designed for 2P cabling plants at 30 / 60 Watts. For 4P cabling...
Developed to meet the IEEE 802.3at-2009 and IEEE 802.3.bt Type 4 standard for PoE+ and PoE++ applications Designed for 4P cabling plants at 60 / 120 Watts. For 2P cabling...
Developed to work with Analog Devices ADuM347x Quad Digital Isolators with Integrated Transformer Driver For AEC-Q200 qualified parts, please click here. The Coilcraft ME3220-104KL is also selected as a recommended...
Developed to work with Analog Devices ADuM4070 Isolated switching regulator with integrated feedback Power rating: 2 Watts
Developed to work with Texas Instruments SN6501 Transformer Driver for Isolated Power Supplies Mounted on the Texas Instruments SN6501xEVM Evaluation Modules used to analyze the SN6501 oscillator/power driver Center tapped...
Featured on Maxim MAX16801 demonstration board Designed for PWM Dimming of High-Brightness LEDs
Flyback for Texas Instruments TPS23756 High Power/High Efficiency PoE Interface and DC/DC Controller
For flyback regulator applications using the Texas Instruments LM5000 Regulator Recommended and approved by Texas Instruments
For measuring current from 0.5 to 20 Amps rms 0.1 Volt per Ampere (with terminating resistance of 50 Ohms) May also be used to measure 400 Hz line currents Applications...
For measuring current from 1 to 10 Arms. For higher sensed current see CS60 Series. 0.5 mm minimum wall thickness Applications include sensing branch circuit overload and detecting load drop...
For measuring current from 5 to 100 Arms. For sensed current below 10 A, see CS60-010. 0.5 mm minimum wall thickness Applications include sensing branch circuit overload and detecting load...
For use at frequencies up to 1000 kHz Incorporates current and sense windings in one small, encapsulated package Designed to meet UL/CSA/IEC 60950 Reinforced Insulation; 3 mm creepage/clearance Samples of...
High isolation voltage CST2010 current sense transformer Sensed current up to 40 A Designed for use up to 1 MHz and above 2100 Vrms, one minute isolation (hipot) between windings...
Improved version of the MA5237-AL with lower leakage inductance and better winding parasitics Flyback transformer developed for Maxim for the MAX17498B Evaluation Kit
Optimized for ON Semiconductor’s NCP1351 Variable Off Time PWM Controller and Microchip’s HV96001 LED Controller Designed for universal input, 85 – 265 Vac
Optimized for Texas Instruments SN6501, ISO1176T/35T/3086T and Analog Devices ADM2482E/2485/2487E RS-485 Transceivers Center tapped primary and secondary AEC-Q200 Grade 1 (−40°C to +125°C) Contact us for 8 mm creepage and...
Optimized for use with On Semiconductor NCP1030 power converter Interleaved primary and secondary windings for low leakage inductance Ideal for 48 V telecom power supply and Power Over Ethernet (PoE)...
Referenced by Texas Instruments on application notes AN-1724 and AN-1725 Designed for 13 Watt applications Operates in continuous conduction mode at 250 kHz with 36 – 72 V input voltage...
Referenced on Akros Silicon Application Note AN006 Designed for 13 Watt PoE applications For 30 Watt applications see GA3568-DL / HA3809-AL.
Referenced on Akros Silicon Application Note AN025 Designed for 30 Watt applications For 13 Watt applications see HA3585-BL / HA3586-BL
Selected by Texas Instruments for their UCD3138 evaluation boards Designed to meet UL/CSA/IEC 60950 Reinforced Insulation; 3 mm creepage/clearance
Sensed current up to 20 Amps Designed for use up to 1 MHz and above Very low primary resistance AEC-Q200 Grade 1 (−40°C to +125°C) Designed for: Continuous AC current...
Sensed current up to 28 Amps Designed for use up to 1 MHz and above Very low primary resistance AEC-Q200 Grade 1 (−40°C to +125°C) UL Class 180 (H) insulating...
Sensed current up to 40 Amps Designed for use between 400 Hz to 1 MHz and above Very low primary resistance AEC-Q200 Grade 1 (−40°C to +125°C) Meets Reinforced Insulation...
Sensed current up to 47 Amps Designed for use up to 1 MHz and above Very low primary DC resistance AEC-Q200 Grade 1 (−40°C to +125°C) Need parts for space,...
Senses current up to 20 Amps Designed for up to 1 MHz and above Eight different turns ratios to meet variety of requirements Two pin-out configurations for different applications AEC-Q200...
Senses current up to 35 A at frequencies up to 1 MHz 1 Volt per Ampere sensitivity (variable through suitable termination) Available in molded (CS1xxx Series) or encapsulated (D18xx Series)...
Senses current up to 7 Amps Designed for use between 11 kHz to 1 MHz and above 9 turns ratios to meet variety of requirements AEC-Q200 Grade 1 (−40°C to...
Six 1 : 1 isolated windings that can be connected in series or parallel Tightly coupled windings 500 Vrms isolation between each winding UL1446 Class F (155°C) Insulation System (UL...
Smallest capacitor charging transformer: 6.2 × 6.8 mm footprint and 4.6 mm high Developed for ON Semiconductor NCP5080 Photoflash Capacitor Charger
Specially developed for use with the Texas Instruments UCC3580 PWM Controllers Low profile, high efficiency planar transformer Planar output choke inductor
Specified by ON Semiconductor in Application Note AND8185/D
Specified by Silicon Laboratories for Si3402 PD Controller up to 10 W output Designed for IEEE 802.3af-compliant PoE applications Power inductor DO5010H-333 also specified for Si3400 circuit.
Specified by Silicon Laboratories for Si3402 PD Controller up to 15W output Designed for IEEE 802.3af-compliant PoE applications Power inductor DO5010H-333 also specified for the circuit.
Specified by Texas Instruments for use in the Bias Power Supply for their UCD3K Digital Power Controller Designed to meet UL/CSA/IEC 60950 Reinforced Insulation Class; 3 mm creepage/clearance
Specified by Texas Instruments in Reference Design SLUU341. Flyback transformer for 5 W bias supply: HA3950-AL, listed as T201
Specified by Texas Instruments in Reference Design SLUU341 Gate Drive Transformer: HA3858-AL, listed as T301
System comprises an isolation transformer and a common mode choke DETAILS Meets all current requirements of Gigabit Ethernet PoE Plus Isolation Transformer OCL >350 µH with a 35 mA dc...
Triple output flyback transformer Developed for use with Texas Instruments UCC28600 Green Mode Controller Designed to operate at 50 kHz with universal ac input

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