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Coilcraft, Inc. Datasheets for Transformers

Transformers are electrical devices that are designed to transfer energy from one circuit to another by electromagnetic induction. They are used typically to increase or decrease voltage as it passes from one side of the device through the other.
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Product Name Notes
Planar Transformer optimized for Silicon Labs Si34071 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...
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 // Planar-Transformers // A0152 // A0153-AL
Transformers // Planar-Transformers // A0152 // A9785-BL
Transformers // Planar-Transformers // A0152 // B0414-AL
Transformers // Planar-Transformers // A9786 // A9787-AL
Transformers // Planar-Transformers // B0357 // B0358-CL
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-Over-Ethernet // HPX2126 // HPF2187L
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT1-5-1
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT1-5-2
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT1-5-3
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT1-5-4
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT2-1
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT2-2
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT2-3
Transformers // Wideband-RF-Transfor mers // 1812WBT // 1812WBT2-4
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 ST PM8800 PoE Powered Device Controller
Designed for transformer coupled MOSFET and IGBT gate drive circuits Operating frequency from 50 kHz to 2 MHz Industry standard EP5 surface mount package RoHS-compliant. 260°C compatible. Tin-silver over tin...
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 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
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 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 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 Maxim MAX5069A PWM Controller For push-pull, half-bridge and full-bridge topologies Ideal for use in high-current power supply applications Designed using Coilcraft Planar Prototyping Kit C356.
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 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 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 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 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 LM5033 PWM Controller For push-pull, half-bridge and full-bridge topologies Ideal for Intermediate bus converters (IBC)
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 TPS23754 PWM Controller Designed for forward topology operating at 250 kHz
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 UCC1809/2809/3809 Primary Side Controller Designed for 50 W dc-to-dc fixed frequency current mode switching power supplies
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 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 Silicon Labs Si88xx isolated dc-dc-converter reference designs. Designed to meet basic insulation class with 3 mm creepage and clearance Low leakage inductance at 60 nH AEC-Q200...
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 for use with the TI LM5027 Voltage Mode Active Clamp Controller. Chosen by NSC for T1 on the LM5027 Evaluation Board, and is described in Application Note AN‑1976. Auxiliary...
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 ADuM4070 Isolated switching regulator with integrated feedback Power rating: 2 Watts
Featured on Maxim MAX16801 demonstration board Designed for PWM Dimming of High-Brightness LEDs
Flyback transformer for 10 W PoE applications Developed to work with TI TPS23753A PoE 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...
For use up to 1 MHz Sensed current is 80 A and higher Very low primary resistance 5000 Vrms, one minute isolation (hipot) between windings AEC-Q200 Grade 1 (−40°C to...
Mounted on Maxim MAX17597 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)
Optimized for use with On Semiconductor NCP1030 power converter Interleaved primary and secondary windings for low leakage inductance Ideal for 48 V telecom and 42 V automotive applications
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
Sensed current up to 20 Amps For use up to 1 MHz Very low primary resistance AEC-Q200 Grade 1 (−40°C to +125°C) Designed for: Continuous AC current monitoring in switched-mode...
Sensed current up to 28 Amps For use between 1.18 kHz to 1 MHz Very low primary resistance AEC-Q200 Grade 1 (−40°C to +125°C) 3.6 mm creepage and clearance UL...
Sensed current up to 40 Amps For use between 400 Hz to 1 MHz Very low primary resistance AEC-Q200 Grade 1 (−40°C to +125°C) Meets Reinforced Insulation per UL 60950-1.
Sensed current up to 47 Amps For use up to 1 MHz Very low primary DC resistance AEC-Q200 Grade 1 (−40°C to +125°C)
Senses current up to 20 Amps For use up to 1 MHz Eight different turns ratios to meet variety of requirements Two pin-out configurations for different applications AEC-Q200 Grade 1...
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 For use between 11 kHz to 1 MHz 9 turns ratios to meet variety of requirements AEC-Q200 Grade 1 (−40°C to +125°C)
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...
Specially developed for use with the Texas Instruments LM5030 100V Push-Pull Current Mode PWM Controllers Low profile, high efficiency planar transformer: 33, 35 and 60 Watt versions Output choke inductor...
Specially developed for use with the Texas Instruments LM5041 Cascaded PWM Controller Low profile, high efficiency planar transformer Planar output chokeinductor
Specially developed for use with the Texas Instruments UCC3580 PWM Controllers Low profile, high efficiency planar transformer Planar output choke inductor
Specifically developed for use with the Texas Instruments LM5110 Gate Driver and LM5025 Cascaded PWM Controller Specified by National Semiconductor for use with LM5034 Dual Interleaved Controller Low profile, high...
Specifically developed for use with the TI LM5032 PWM Controller Can be used in both interleaved power stages of a high-current converter Designed for 100 Watt application.
Specifically developed for use with the TI LM5035 PWM Controller Listed on TI AN-1435 Application Note Low profile, high efficiency planar transformer Designed for 100 Watt applications Handles current to...
Specifically developed for use with the TI LM5037 Dual Mode PWM Controller Designed as half bridge in forward topology Auxiliary winding provides 10 V to the chipset
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
The smallest RF transformers available Available in both 1:1, 1.5:1 and 2:1 versions 1812 size ferrite body with a ceramic base Jacketed with a high temp material that creates a...
Triple output flyback transformer Developed for use with Texas Instruments UCC28600 Green Mode Controller Designed to operate at 50 kHz with universal ac input
Wide frequency range: 0.26 MHz to 1 GHz 250 mA max current rating Applications include impedance matching, voltage or current transformation, DC isolation, balanced/unbalanced mixing, matching, power splitting, coupling and...

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