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Switching Converter, SMPS Transformers

Browse available Switching Converter, SMPS Transformers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Type Applications Intended Chipset Chipset Manufacturer Voltage - Primary Voltage - Auxiliary Voltage - Isolation Inductance @ Frequency Frequency Operating Temperature Grade Qualification Mounting Type Size / Dimension Height - Seated (Max) Footprint Style
PCA20EFD-U03S003 TDK Corporation

PCA20EFD-U03S003

XFMR CAP CHAR CONF DC/DC 22.3UH

TDK Corporation

2,111 -
Datasheet PCA20EFD Tape & Reel (TR) Obsolete Configurable (For DC/DC) Capacitor Charger - - - - 500Vrms Parallel 22.3µH @ 10kHz, Series 804µH @ 10kHz - -40°C ~ 85°C - - Surface Mount 0.866" L x 0.850" W (22.00mm x 21.60mm) 0.472" (12.00mm) 0.866" L x 1.173" W (22.00mm x 29.80mm) -
PCA20EFD-U02S002 TDK Corporation

PCA20EFD-U02S002

XFMR CAP CHAR CONF DC/DC 87.7UH

TDK Corporation

1,847 -
Datasheet PCA20EFD Tray Obsolete Configurable (For DC/DC) Capacitor Charger - - - - 500Vrms Parallel 87.7µH @ 10kHz, Series 3.2mH @ 10kHz - -40°C ~ 85°C - - Surface Mount 0.866" L x 0.850" W (22.00mm x 21.60mm) 0.472" (12.00mm) 0.866" L x 1.173" W (22.00mm x 29.80mm) -
PCA20EFD-U01S003 TDK Corporation

PCA20EFD-U01S003

XFMR CAP CHAR CONF DC/DC 197.3UH

TDK Corporation

1,901 -
Datasheet PCA20EFD Tray Obsolete Configurable (For DC/DC) Capacitor Charger - - - - 500Vrms Parallel 197.3µH @ 10kHz, Series 7.14mH @ 10kHz - -40°C ~ 85°C - - Surface Mount 0.866" L x 0.850" W (22.00mm x 21.60mm) 0.472" (12.00mm) 0.866" L x 1.173" W (22.00mm x 29.80mm) -
PA1877NL Pulse Electronics

PA1877NL

XFMR FLYBACK DC/DC CONV SMD

Pulse Electronics

2,967 -
Datasheet - Tray Active For DC/DC Converters Flyback Converters - - 34 ~ 57V 13V @ 15mA 1500Vrms - 250kHz -40°C ~ 130°C - - Surface Mount 0.860" L x 0.930" W (21.84mm x 23.62mm) 0.450" (11.43mm) 0.860" L x 1.150" W (21.84mm x 29.21mm) -
PE-68422 Pulse Electronics

PE-68422

XFMR FLYBACK DC/DC CONV SMD

Pulse Electronics

4,129 -
Datasheet - Tray Active For DC/DC Converters Flyback Converters LM2585, LM2586, LM2587, LM2588 National Semiconductor 18 ~ 36V - 1500Vrms - - -40°C ~ 130°C - - Surface Mount 0.970" L x 1.070" W (24.64mm x 27.18mm) 0.680" (17.27mm) 0.970" L x 1.070" W (24.64mm x 27.18mm) -
PA0273NL Pulse Electronics

PA0273NL

XFMR FWD P-P DC/DC CONV SMD

Pulse Electronics

2,748 -
Datasheet - Tray Active For DC/DC Converters Forward, Push-Pull Converters - - 36 ~ 72V 12V @ 100mA 1500Vrms - 250kHz -40°C ~ 130°C - - Surface Mount 0.860" L x 0.930" W (21.84mm x 23.62mm) 0.450" (11.43mm) 0.860" L x 1.150" W (21.84mm x 29.21mm) -
PE-68411NL Pulse Electronics

PE-68411NL

XFMR FLYBACK DC/DC CONV SMD

Pulse Electronics

4,351 -
Datasheet - Tray Obsolete For DC/DC Converters Flyback Converters LM2585, LM2586, LM2587, LM2588 National Semiconductor 8 ~ 16V - 1500Vrms - - -40°C ~ 130°C - - Surface Mount 0.920" L x 1.040" W (23.37mm x 26.42mm) 0.480" (12.19mm) 0.920" L x 1.040" W (23.37mm x 26.42mm) -
PE-68412NL Pulse Electronics

PE-68412NL

XFMR FLYBACK DC/DC CONV SMD

Pulse Electronics

4,511 -
Datasheet - Tray Active For DC/DC Converters Flyback Converters LM2585, LM2586, LM2587, LM2588 National Semiconductor 4 ~ 6V - 1500Vrms - - -40°C ~ 130°C - - Surface Mount 0.920" L x 1.040" W (23.37mm x 26.42mm) 0.480" (12.19mm) 0.920" L x 1.040" W (23.37mm x 26.42mm) -
PA1032NLT Pulse Electronics

PA1032NLT

XFMR FLYBACK DC/DC CONV SMD

Pulse Electronics

4,504 -
Datasheet - Tape & Reel (TR) Active For DC/DC Converters Flyback Converters - - 30 ~ 57V 10V @ 15mA 1500Vrms - 250kHz -40°C ~ 125°C - - Surface Mount 0.450" L x 0.366" W (11.43mm x 9.30mm) 0.260" (6.60mm) 0.450" L x 0.500" W (11.43mm x 12.70mm) -
PA0491NL Pulse Electronics

PA0491NL

XFMR FWD P-P DC/DC CONV SMD

Pulse Electronics

3,987 -
Datasheet Spyglass Tray Obsolete For DC/DC Converters Forward, Push-Pull Converters LT1952 Linear Technology 36 ~ 72V - 1500Vrms - - -40°C ~ 125°C - - Surface Mount 0.790" L x 0.920" W (20.07mm x 23.37mm) 0.348" (8.85mm) 0.790" L x 0.920" W (20.07mm x 23.37mm) Planar
PA0810NLT Pulse Electronics

PA0810NLT

XFMR FWD P-P DC/DC CONV SMD

Pulse Electronics

1,422 -
Datasheet PA08 Tape & Reel (TR) Active For DC/DC Converters Forward, Push-Pull Converters LTC3901, LTC3765, UCC2891, UCC2897 Linear Technology, Texas Instruments 18 ~ 76V - 1500Vrms - 200 ~ 700kHz -40°C ~ 125°C - - Surface Mount 0.850" L x 0.920" W (21.59mm x 23.37mm) 0.339" (8.60mm) - Planar
PE-65300NL Pulse Electronics

PE-65300NL

XFMR FWD P-P DC/DC CONV TH

Pulse Electronics

2,150 -
Datasheet - Tube Active For DC/DC Converters Forward, Push-Pull Converters LM1577, LM2577 National Semiconductor - - 600Vrms - - -30°C ~ 130°C - - Through Hole - 0.820" (20.82mm) 1.050" L x 1.080" W (26.27mm x 27.43mm) -
PE-65301NL Pulse Electronics

PE-65301NL

XFMR FWD P-P DC/DC CONV TH

Pulse Electronics

1,483 -
Datasheet - Tube Obsolete For DC/DC Converters Forward, Push-Pull Converters LM1577, LM2577 National Semiconductor - - 600Vrms - - -30°C ~ 130°C - - Through Hole 1.050" L x 1.150" W (26.67mm x 29.21mm) 0.810" (20.57mm) 1.050" L x 1.150" W (26.27mm x 29.21mm) -
750813021 Würth Elektronik

750813021

XFMR LED DR DC/DC CONV 1.6MH TH

Würth Elektronik

3,966 -
Datasheet WE-UNIT Tray Obsolete For DC/DC Converters LED Drivers, AC/DC SMPS LM3445 Texas Instruments 120 ~ 191V 12V @ 20mA 3000Vrms 1.6mH @ 60kHz 60kHz -40°C ~ 125°C - - Through Hole 0.874" L x 0.984" W (22.20mm x 25.00mm) 0.635" (16.13mm) 0.874" L x 0.984" W (22.20mm x 25.00mm) -
750813049 Würth Elektronik

750813049

XFMR LED DR DC/DC CONV 1.3MH TH

Würth Elektronik

2,384 -
Datasheet WE-UNIT Tray Obsolete For DC/DC Converters LED Drivers, AC/DC SMPS LM3447 Texas Instruments 127 ~ 191V 15V @ 20mA 3000Vrms 1.3mH @ 70kHz 70kHz -40°C ~ 125°C - - Through Hole 0.665" L x 0.740" W (16.90mm x 18.80mm) 0.529" (13.44mm) 0.665" L x 0.740" W (16.90mm x 18.80mm) -
750815045 Würth Elektronik

750815045

XFMR LED DR AC/DC CONV 3.45MH TH

Würth Elektronik

3,020 -
Datasheet WE-UNIT Tray Obsolete For AC/DC Converters LED Drivers, AC/DC SMPS LM3448 Texas Instruments 250 ~ 375V - 4500Vrms 3.45mH @ 10kHz 72kHz - - - Through Hole 0.665" L x 0.740" W (16.90mm x 18.80mm) 0.529" (13.44mm) 0.665" L x 0.740" W (16.90mm x 18.80mm) -
750341146 Würth Elektronik

750341146

XFMR FLYBACK DC/DC CONV 750UH TH

Würth Elektronik

2,948 -
Datasheet WE-FB Tray Obsolete For DC/DC Converters Flyback Converters LM3445 Texas Instruments 180 ~ 265V 20V @ 50mA 3000Vrms 750µH @ 100kHz 60kHz - - - Through Hole 0.695" L x 0.740" W (17.65mm x 18.80mm) 0.555" (14.10mm) 0.695" L x 0.740" W (17.65mm x 18.80mm) -
PA0910NL Pulse Electronics

PA0910NL

XFMR FWD P-P DC/DC CONV SMD

Pulse Electronics

4,680 -
Datasheet PA09 Tray Active For DC/DC Converters Forward, Push-Pull Converters LTC3901, LTC3765, UCC2891, UCC2897 Linear Technology, Texas Instruments 18 ~ 76V - 1500Vrms - 200 ~ 700kHz -40°C ~ 125°C - - Surface Mount 1.000" L x 1.160" W (25.40mm x 29.46mm) 0.402" (10.20mm) - Planar
PH0256NL Pulse Electronics

PH0256NL

XFMR FLYBACK AC/DC CONV TH

Pulse Electronics

1,556 -
Datasheet - Tube Active For AC/DC Converters Flyback Converters TNY264/274 Power Integrations 80 ~ 375V 9V @ 20mA 500Vrms - 132kHz - - - Through Hole 0.689" L x 0.748" W (17.50mm x 19.00mm) 0.571" (14.50mm) 0.689" L x 0.748" W (17.50mm x 19.00mm) -
PH0259NL Pulse Electronics

PH0259NL

XFMR FLYBACK AC/DC CONV TH

Pulse Electronics

4,741 -
Datasheet - Tube Active For AC/DC Converters Flyback Converters TNY266/274 Power Integrations 85 ~ 375V - 500Vrms - 132kHz - - - Through Hole 0.630" L x 0.720" W (16.00mm x 18.30mm) 0.709" (18.00mm) 0.630" L x 0.720" W (16.00mm x 18.30mm) -
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Switching Converter, SMPS Transformers FAQ

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.