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0755-82798135Switching Converter, SMPS Transformers
Switching Converter, SMPS Transformers
Switching Converter and SMPS Transformers are magnetic components used in switching power supplies to transfer energy, provide isolation and support voltage conversion. They are widely used in AC-DC power supplies, DC-DC converters, adapters, chargers, industrial power modules, LED drivers, communication equipment, consumer electronics and embedded systems.
This category includes flyback transformers, forward converter transformers, push-pull transformers, isolated DC-DC converter transformers, high-frequency SMPS transformers and related magnetic components. These products are commonly selected based on input voltage, output voltage, power rating, switching frequency, insulation rating, core material, mounting type, package style and application requirements.
TomatoElec supplies original Switching Converter and SMPS Transformers from recognized manufacturers such as Würth Elektronik, Pulse Electronics, Bourns, TDK, Murata, Coilcraft, Triad Magnetics, Eaton and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PCA20EFD-U03S003XFMR CAP CHAR CONF DC/DC 22.3UH |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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- |
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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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 |
0 | - |
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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) | - |
