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 PFD2015 Series of miniature 1:1 coupled power inductors are used as low-power isolation transformers in SEPIC applications, or as common mode chokes. A wide range of inductance values means...
Coilcraft ZD2250/ZE2432-AE flyback transformers are designed to work with the LM5185-Q1 100 Vin PSR flyback automotive DC-DC controller from Texas Instruments. These transformers have no auxiliary winding, reducing solution...
Coilcraft’s ZA9384-AL and ZA9644-AE are designed for use with ADP1032 and ADP1034 isolated micropower management unit. The two flyback transformers feature a simple 1:1 turns ratio design without the need...
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...
Coilcraft's MSD1278 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 MSD1278T 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...
Coilcraft's MSD1514 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 MSD1583 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 MSD7342 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 UA825x miniature, low-profile transformers are designed for use with SN6501 and SN6505B transformer drivers from Texas Instruments. The center-tapped push-pull transformer features high isolation voltage and high efficiency for...
Coilcraft's ZA9709 and WA8427 miniature, low-profile transformer is designed for use with SN6505B transformer drivers from Texas Instruments. The center-tapped push-pull transformer features high isolation voltage and high efficiency for...
Coilcraft's ZA9801 low-profile transformer is designed for use with SN650x transformer drivers from Texas Instruments and LT3999 from Analog Devices. The center-tapped push-pull transformer features increased creepage and clearance, higher...
Engineered for high-frequency performance, the ZB1347-AE isolated buck transformer operates efficiently from 300 – 750 kHz with a 5 V input, delivering stable, low-noise power conversion for demanding systems. Its...
The YA9219-AL Wideband Transformer with an integrated common-mode choke combines high-speed signal transmission, isolation, and effective common-mode noise filtering in a single compact component. This integrated design helps simplify PCB...
The ZA9609 Active Clamp Forward Mode Transformers is specifically designed for use in PMP22075 for Texas Instruments. It has a wide input range of 9 V to 60 V along...
The ZB1313 flyback transformer is designed to work with the MAX17690 60 V, no-opto isolated flyback controller from Maxim. It has no auxiliary winding and offers the greatest efficiency, lowest...
The ZD2020-BE iso-buck boost converter transformer, purpose-built for the STEVAL-6986YT2DL reference design, is optimized for systems using the A6986I from STMicroelectronics. This robust component handles input voltages from 5 V...
The ZD2024-AE isolated buck transformer has a lower profile than other core/bobbin sets, making it ideal for compact designs. This transformer is optimized for iso-buck converters, leading to more efficient...
The ZD2087-AE flyback transformer is designed to work with the A/L6983I, iso-buck converter from STMicroelectronics. It has no auxiliary winding and offers the greatest efficiency, lowest cost, and smallest size...
The ZE2531 Isolation Transformer is designed to provide galvanic isolation for Single Pair Ethernet (SPE) networks, supporting 10Base-T1L and Power over Data Line (PoDL) for transmitting both data and power...
The ZE263x series builds on the proven performance of the ZC15xx (including ZC1576-AL, ZC1580-AL, ZC1581-AL, and ZC1582-AL), which are featured in the UCC25800-Q1 ultra-low EMI transformer driver for isolated bias...
The ZE2774-BE iso-buck boost converter transformer is optimized for the STEVAL-6986YT2DL reference design and built around the A6986I from STMicroelectronics. It supports a 5 V to 24 V input voltage...
The ZG365x series is a group of surface mount gate drive transformers built using our chip-style construction and features lower DCR and higher volt-time capability than the original DA23xx series.
These flyback transformers are designed to work with the MAX17690 60 V, no-opto isolated flyback controller from Analog Devices. They have no auxiliary winding and offer the greatest efficiency, lowest...
Transformers // Power-Transformers // No-Opto // YA912x // YA9126-BE
Transformers // Power-Transformers // No-Opto // YA912x // YA9127-BE
Transformers // Power-Transformers // No-Opto // YA912x // YA9128-BE
Transformers // Power-Transformers // Power-Factor-Transfo rmers // Z926x // Z9265-B
Transformers // Power-Transformers // Power-Over-Ethernet // POExxC // POE60C-12
Transformers // Power-Transformers // Power-Over-Ethernet // POExxC // POE60C-18
Transformers // Power-Transformers // Power-Over-Ethernet // POExxC // POE60C-25
Transformers // Power-Transformers // Power-Over-Ethernet // POExxC // POE60C-33
Transformers // Power-Transformers // Power-Over-Ethernet // POExxC // POE60C-50
Transformers // Power-Transformers // Power-Over-Ethernet // POExxPR // POE33PR-33
Transformers // Power-Transformers // Power-Over-Ethernet // POExxPR // POE35PR-50
Transformers // Power-Transformers // Power-Over-Ethernet // POExxPR // POE38PR-12
Transformers // Power-Transformers // Power-Over-Ethernet // POExxPR // POE53PR-33
Transformers // Power-Transformers // Power-Over-Ethernet // POExxPR // POE70PR-50
Transformers // Power-Transformers // Power-Over-Ethernet // POExxPR // POE72PR-12
Transformers // Power-Transformers // Power-Over-Ethernet // RA7129 // NA6083-BL
Transformers // Power-Transformers // T6522 // T6522-AL
ZA975x isolation transformers provide galvanic isolation for the isoSPITM communication interface. The hipot isolation is up to 5 kV, which makes it ideal for battery management systems (BMS) of...
Compact, low-profile package (8.2 × 6.6 × 5.4 mm) reduces board space by up to 20% and is 24% shorter than competitive options Optimized for the Texas Instruments PGA460-Q1 Ideal...
Design application for MAXIM17691A evaluation kit Discontinuous conduction mode flyback transformer Designed to operate at 150 kHz with 17 – 36 V input 1500 Vrms, one minute isolation (hipot) between...
Designed for 11 Watt applications with 185 – 264 Vac input 20 V, 10 mA auxiliary winding output
Designed for active clamp forward topology Operates at 200 kHz with 36 – 72 V input
Designed for active clamp forward topology Operates at 200 kHz with 36 – 72 V input Provides 0.229 mm clearance above the seating plane AEC-Q200 qualified
Designed for Digital Addressable Lighting Interface (DALI) applications Z9265-B (L3) is optimized for International Rectifier's IR21592 HVIC ballast controller IC Z9264-B (L2) is designed for use with the STMicroelectronics PFC...
Designed for MAXREFDES1249 Miniature Universal Input AC/DC Converter (86 V – 305 V AC) Transformer optimized for 88 V – 440 V 125 KHz Input and delivers 36 W at...
Designed for ON Semiconductor NCP4305FBDAP 65 W Off-Line AC/DC Adapter Suitable for gate drive and other power applications Reinforced insulation class COTS Plus tin-silver-copper and tin-lead terminations available
Designed for Texas Instruments Automotive 40 V to 1 kV Input Flyback Reference Design Supporting Regenerative Braking Safety Test AEC-Q200 Grade 1 (−40°C to +125°C) 5700 Vrms, one minute isolation...
Designed for UCC5870-Q1 IGBT/SiC isolated gate driver for Texas Instruments Optimized for 300kHz with 4.5 – 70 V input 3000 Vrms, 1 minute isolation (hipot) between primary and secondary RoHS-compliant.
Designed for use Texas Instruments Fully Autonomous Single Port Type 2 (30 W) PoE PSE Reference Design PMP20588.
Designed for use with ON Semiconductor MC33261 and MC34261 power factor controllers Built using standard materials for lowest cost Custom transformers available for specific combinations of output power and input...
Designed specifically for automotive active cell balance battery management system. Suitable for power driver ICs, low power isolation, gate drive and other power applications. AEC-Q200 Grade 1 (−40°C to +125°C)...
Designed specifically for use with Maxim RS-232 / RS-485 interface ICs Also specified by Linear Technology and Sipex Ideal for isolated bias supplies for SiC and GaN gate driver, such...
Developed for flyback applications up to 30 Watts. Designed to meet IEEE 802.3at-2009 standard. Operates with 36 – 72 V input at a 250 kHz switching frequency. UL Certified per...
Developed for Flyback DC/DC PoE Powered Devices (PD) power converters up to 71 W Designed to meet IEEE802.3bt standard and operates with 36 – 57 V input Perfect solution for...
Developed for Flyback PoE DC/DC Powered Devices (PD) power converters up to 51 W Designed to meet IEEE802.3bt standard and operates with 36 – 57 V input Perfect solution for...
Developed for Linear LT3999 Low Noise, 1 A, 1 MHz Push-Pull DC/DC Driver with Duty Cycle Control 500 Vrms, one minute isolation primary windings to secondary windings Three output power...
Developed for Linear Technology LT8584 Isolated Monolithic Active Cell Balancer
Developed for Linear Technology LT8584 Isolated Monolithic Active Cell Balancer Input: 2 – 8 V; Outputs: 10 – 35 V, 30 – 80 V and 100 – 400 V AEC-Q200...
Developed for Powered Devices (PD) in 6 Watt IEEE 802.3af compliant PoE applications 36 – 72 V input Versions for continuous and discontinuous modes of operation 12 V, 20 mA...
Developed for Powered Devices (PD) in IEEE 802.3af compliant PoE applications 6 Watt and 13 Watt output versions 36 – 72 V input, 250 kHz switching frequency Bias winding output:...
Developed for Powered Devices (PD) in IEEE 802.3af compliant PoE applications Designed to operate in continuous mode 36 – 72 V input with versions for 3 Watt, 7 Watt and...
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 81 W Industrial POE Isolated Flyback reference design PMP20058
Developed for Texas Instruments PMP7899 Reference Design for Non-Synchronous Flyback Converter with an Isolated Output
Developed for Texas Instruments TPS23751 and TPS23752.
Developed for Texas Instruments TPS23753A IEEE802.3 PoE Interface and Converter Controller Shown on TI PMP9068 Class 1 Isolated Synchronous Flyback Converter for PoE PD Application Reference Design
Developed for Texas Instruments TPS23754 PWM Controller Designed for forward topology operating at 250 kHz
Developed for the Microchip AN1444 Microinverter Rectified sine wave output
Developed for TI TPS23753A PoE PD controller (PMP8896 and PMP9175 reference designs)
Developed for use with isolated DC-DC regulator in Analog Devices ADP1031 isolated micropower management unit (PMU)
Developed for use with isolated DC-DC regulator in Analog Devices ADP1031 isolated micropower management unit. AEC-Q200 Grade 1 (−40°C to +125°C) Low leakage inductance at 1.62 µH
Developed for use with Silicon Labs Si828x isolated dc-dc-converter reference designs. 5000 Vrms, one minute isolation (hipot), from primary to secondary Designed to meet reinforced insulation class with 8 mm...
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 Silicon Labs Si88xx isolated dc-dc-converter reference designs. Learn more about these miniature transformers for digital isolators. 5000 Vrms, one minute isolation (hipot), from primary to secondary...
Developed for use with Texas Instrument PMP30227 Automotive Isolated 15 V/4.5 W Bias Power Supply. Designed to meet basic insulation class with 3 mm creepage and clearance
Developed for use with the ON Semiconductor NCP1200 PWM Current-Mode Controller Designed for use in flyback power supplies Universal line voltage, 85 – 265 VAC Custom versions available
Developed for use with TI TPS55340 Boost/SEPIC/Flyback DC-DC Regulator.
Developed to work with Analog Devices ADuM347x Quad Digital Isolators with Integrated Transformer Driver Center tapped primary and secondary Designed to meet UL/CSA/IEC 60950 Basic Insulation; 1.5 mm creepage and...
Discontinuous conduction mode Flyback transformers Optimized for 100 – 125 kHz with 8 – 28 V or 18 – 60 V input 1500 Vrms, one minute isolation between primary and...
Discontinuous conduction mode Flyback transformers Optimized for 125 – 150 kHz with 8 – 28 V or 18 – 60 V input 1500 Vrms, one minute isolation between primary and...
Exceeds the return loss requirements of Gbit Ethernet Designed to meet upcoming IEEE802.3bt high power PoE standard Designed for 150 W 4-pair signal path with 1.5 A on each center...
Five output versions optimized for typical design applications of TI's LM25184 flyback converter. Output versions: ZA9670-BE, ZA9671-BE, ZA9672-BE, ZA9673-BE, and ZA9674-BE Designed to operate up to 300 kHz with 4...
Flyback and forward transformers for PoE applications up to 72 W Operates with 9 – 57 V input (POE21, 22, 24, 33, 35 and 38) Operates with 33 – 57...
Flyback transformer for 10 W PoE applications Developed to work with TI TPS23753A PoE controller
For flyback regulator applications using LM258X SIMPLE SWITCHER® Recommended and approved by National Semiconductor Custom versions available
For flyback regulator applications using LM258X SIMPLE SWITCHER® Recommended and approved by National Semiconductor Input voltage: 4 – 6 V Custom versions available
For flyback regulator applications using the TI LM258X SIMPLE SWITCHER® Recommended and approved by National Semiconductor Custom versions available
For flyback regulator applications using the TI LM258X SIMPLE SWITCHER® Recommended and approved by Texas Instruments Custom versions available
Frequency range of 10 - 250 kHz and up UL1446 Class B (130°C) Insulation System (UL File E83628) Samples of 4 standard transformers available in Coilcraft Designer's Kit P404
Optimized for 7 kW bidirectional AC-DC converter STEVAL-7BIDIRCB from STMicroelectronics Works with A/L6986I as gate driver auxiliary power supply solution Suitable for isolated IGBT/SiC gate driver AEC-Q200 qualified
Optimized for iso-buck converter A/L6983I from STMicroelectronics and designed in the evaluation board STEVAL-L6983IV1 4 to 38 V input voltage range with up to 10 W power 4000 Vrms, one...
Optimized for LM25180 and LM5180 flyback converters from Texas Instruments Five output versions for various single-output designs with 4 – 65 V input Eliminates auxiliary winding for simple and reliable...
Optimized for MAX17690 No-Opto Isolated Flyback Controllers for Analog Devices Designed for 125 – 150 kHz with 10 – 28 V or 20 – 56 V input voltage 1500 Vrms,...
Optimized for Maxim's MAXREFDES1226 reference design and MAX17690 No-Opto Isolated Flyback Controllers
Optimized for STEVAL-A6986IV3 from STMicroelectrics with an isobuck-boost topology and an input voltage of up to 28 V Suitable for isolated IGBT/SiC gate driver, On-board charger for HEV/EV, and industrial...
Optimized for STMicroelectronics 38V/5W automotive Iso-Buck converter A6986I and L6986I Suitable for automotive isolated IGBT/SiC gate driver, On-board charger for HEV/EV, Electric Traction Systems, and similar applications AEC-Q200 Grade 1...
Optimized for STMicroelectronics automotive Iso-Buck converter A6986I and L6986I Compact footprint, only 11.7 x 10 mm Suitable for automotive isolated IGBT/SiC gate driver, Onboard charger for HEV/EV, Electric Traction Systems,...
Optimized for Texas instrument SN6505 transformer driver Designed to meet UL/CSA/IEC 60950 Reinforced Insulation Class with 8 mm creepage and 4.5 mm clearance Low profile and center-tapped push-pull transformers for...
Optimized for Texas Instrument SN6507 transformer driver Low profile and center-tapped push-pull transformers for isolated power supply High Frequency Operation up to 1 MHz 2500 Vrms, one minute high isolation...
Optimized for Texas Instruments SN6507-Q1 transformer driver Low EMI, robust push-pull transformers for gate driver power supplies 10 mm creepage and clearance, Material Group 1 Insulation level may be Functional,...
Optimized for UCC28C56EVM power supply for EV/HEV automotive power trains for Texas Instruments High efficiency Flyback transformers operate over the wide input voltage range from 40 – 1000 V 4700...
Rated for 300 Watts between 200 kHz and 700 kHz with a nominal 48 V input. High efficiency; excellent DCR; very low leakage inductance AEC-Q200 Grade 1 (−40°C to +125°C)...
Selected for the Microsemi PD70211EVB51F-12 evaluation board. Designed for 51 W PoE++ IEEE 802.3at-2009 applications.
Senses current up to 30 Amps Designed for use between 2 kHz to 1 MHz and above
Six output versions optimized for the LM25183 and LM25183-Q1 primary-side regulated (PSR), no-opto, flyback converters from Texas Instruments Output versions: ZB1050-AE, ZB1051-AE, ZB1052-AE, ZB1053-AE, ZB1054-AE, and ZB1055-AE Designed to operate...
Small coupled shielded power inductor – 3.3 × 2.3 mm footprint, 1.5 mm high Excellent as low-power isolation transformers Great for Flyback, SEPIC, Ćuk, Zeta and other applications Magnetically shielded...
Small wideband transformer – 3.3 × 2.3 mm footprint, 1.5 mm high Typical applications are as impedance or isolation transformer Can also be used in SEPIC applications and as common...
Smallest wideband transformer – 2.2 × 1.45 mm footprint, 1.5 mm high Typical applications are as impedance or isolation transformer Can also be used in SEPIC applications and as common...
Specified by ON Semiconductor for use with their NCP1605 PFC Controller. Referenced as X25, pulse transformer on evaluation board NCP1605FORWGEVB and Application Note AND8292. Recommended by Texas Instruments for use...
Three output versions optimized for Texas Instruments LM5180 and LM5180-Q1 Flyback Converters, Analog Device LT830x Flyback Converter and similar ICs Output versions: YA8864-BL, YA8916-BL, YA8779-BL
Three output versions optimized for typical design applications for Texas Instruments TIDA-01344 Flyback Converter AEC-Q200 Grade 1 (−40°C to +125°C) Operates up to 333 kHz
UA7902 was developed for use with Silicon Labs Si88xx isolated dc-dc-converter reference designs. Learn more about these miniature transformers for digital isolators. 5000 Vrms, one minute isolation (hipot), from primary...

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