Switching Converter, SMPS Transformers
Explore Switching Converter, SMPS Transformers parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PCA20EFD-U03S003XFMR CAP CHAR CONF DC/DC 22.3UH |
2,111 |
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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) | - |
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PCA20EFD-U02S002XFMR CAP CHAR CONF DC/DC 87.7UH |
1,847 |
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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) | - |
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PCA20EFD-U01S003XFMR CAP CHAR CONF DC/DC 197.3UH |
1,901 |
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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) | - |
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PA1877NLXFMR FLYBACK DC/DC CONV SMD |
2,967 |
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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) | - |
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PE-68422XFMR FLYBACK DC/DC CONV SMD |
4,129 |
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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) | - |
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PA0273NLXFMR FWD P-P DC/DC CONV SMD |
2,748 |
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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) | - |
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PE-68411NLXFMR FLYBACK DC/DC CONV SMD |
4,351 |
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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) | - |
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PE-68412NLXFMR FLYBACK DC/DC CONV SMD |
4,511 |
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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) | - |
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PA1032NLTXFMR FLYBACK DC/DC CONV SMD |
4,504 |
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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) | - |
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PA0491NLXFMR FWD P-P DC/DC CONV SMD |
3,987 |
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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 |
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PA0810NLTXFMR FWD P-P DC/DC CONV SMD |
1,422 |
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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 |
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PE-65300NLXFMR FWD P-P DC/DC CONV TH |
2,150 |
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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) | - |
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PE-65301NLXFMR FWD P-P DC/DC CONV TH |
1,483 |
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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) | - |
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750813021XFMR LED DR DC/DC CONV 1.6MH TH |
3,966 |
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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) | - |
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750813049XFMR LED DR DC/DC CONV 1.3MH TH |
2,384 |
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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) | - |
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750815045XFMR LED DR AC/DC CONV 3.45MH TH |
3,020 |
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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) | - |
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750341146XFMR FLYBACK DC/DC CONV 750UH TH |
2,948 |
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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) | - |
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PA0910NLXFMR FWD P-P DC/DC CONV SMD |
4,680 |
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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 |
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PH0256NLXFMR FLYBACK AC/DC CONV TH |
1,556 |
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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) | - |
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PH0259NLXFMR FLYBACK AC/DC CONV TH |
4,741 |
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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) | - |
Frequently Asked Questions
What are Switching Converter, SMPS Transformers components used for?
Switching Converter, SMPS Transformers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Switching Converter, SMPS Transformers part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Switching Converter, SMPS Transformers parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
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