Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
750341793XFMR FLYBACK DC/DC CONV SMD |
703 | - |
|
Datasheet |
MID-OLON | Tray | Active | For DC/DC Converters | Flyback Converters | - | On Semiconductor | - | 12V | 3000Vrms | - | 50kHz | -40°C ~ 125°C | - | - | Surface Mount | 0.906" L x 0.866" W (23.00mm x 22.00mm) | 0.690" (17.53mm) | - | - |
|
749119150XFMR POE DC/DC CONV 400UH SMD |
1,567 | - |
|
Datasheet |
WE-PoE | Tape & Reel (TR) | Active | For DC/DC Converters | Power Over Ethernet (PoE) | LM5070, LM5071, LM5072, LTC4267, TPS23750, TPS23770 | Linear Technology, Texas Instruments | 36 ~ 57V | - | 1500Vrms | 400µH @ 100kHz | 200 ~ 500kHz | -40°C ~ 125°C | - | - | Surface Mount | 0.508" L x 0.362" W (12.90mm x 9.20mm) | 0.244" (6.20mm) | 0.508" L x 0.559" W (12.90mm x 14.20mm) | - |
|
750871030XFMR FLYBCK AC/DC CONV 2.38MH TH |
2,001 | - |
|
Datasheet |
WE-UNIT, MID-OLSTM | Tray | Active | For AC/DC Converters | Flyback Converters | VIPER17L | STMicroelectronics | 120 ~ 385V | 12V @ 10mA | 4000Vrms | 2.38mH @ 10kHz | 60kHz | -40°C ~ 125°C | - | - | Through Hole | - | 0.635" (16.13mm) | 0.787" L x 0.975" W (20.00mm x 24.00mm) | - |
|
749119250XFMR POE DC/DC CONV 210UH SMD |
400 | - |
|
Datasheet |
WE-PoE | Tape & Reel (TR) | Active | For DC/DC Converters | Power Over Ethernet (PoE) | LM5070, LM5071, LM5072, LTC4267, TPS23750, TPS23770 | Linear Technology, Texas Instruments | 36 ~ 57V | - | 1.5kVAC | 210µH @ 100kHz | 200 ~ 500kHz | -40°C ~ 125°C | - | - | Surface Mount | 0.642" L x 0.472" W (16.30mm x 12.00mm) | 0.291" (7.40mm) | 0.709" L x 0.642" W (18.00mm x 16.30mm) | - |
|
B82805A943A250XFMR FWD P-P DC/DC CONV 94UH SMD |
4,597 | - |
|
Datasheet |
B82805 | Tape & Reel (TR) | Active | For DC/DC Converters | Forward, Push-Pull Converters | - | - | - | - | 500VAC | 94µH @ 50kHz | 250kHz | -25°C ~ 125°C | - | - | Surface Mount | 0.315" L x 0.236" W (8.00mm x 6.00mm) | 0.224" (5.70mm) | 0.315" L x 0.378" W (8.00mm x 9.60mm) | - |
|
B82805A0773A250XFMR FWD P-P DC/DC CONV 77UH SMD |
1,504 | - |
|
Datasheet |
B82805 | Tape & Reel (TR) | Active | For DC/DC Converters | Forward, Push-Pull Converters | - | - | - | - | 500VAC | 77µH @ 50kHz | 250kHz | -25°C ~ 125°C | - | - | Surface Mount | 0.315" L x 0.236" W (8.00mm x 6.00mm) | 0.224" (5.70mm) | 0.315" L x 0.378" W (8.00mm x 9.60mm) | - |
|
|
750341689XFMR FLYBACK AC/DC CONV 1.6MH TH |
296 | - |
|
Datasheet |
- | Tray | Active | For AC/DC Converters | Flyback Converters | MP020-5 | Monolithic Power Systems Inc | 90 ~ 375V | 12V | 3500Vrms | 1.6mH @ 50kHz | 65kHz | -40°C ~ 125°C | - | - | Through Hole | 0.708" L x 0.740" W (18.00mm x 18.80mm) | 0.556" (14.12mm) | 0.709" L x 0.740" W (18.00mm x 18.80mm) | - |
|
|
750311573XFMR FLYBACK DC/DC CONV 200UH SM |
1,178 | - |
|
Datasheet |
WE-FB | Tape & Reel (TR) | Active | For DC/DC Converters | Flyback Converters | LT3512 | Linear Technology | 35 ~ 75V | 5V | 1500Vrms | 200µH @ 10kHz | 200 ~ 300kHz | -40°C ~ 125°C | - | - | Surface Mount | - | 0.420" (10.69mm) | 0.385" L x 0.360" W (9.78mm x 9.14mm) | - |
|
|
750312872XFMR POE DC/DC CONV 14UH TH |
667 | - |
|
Datasheet |
WE-FB, MID-FLYLT | Tray | Active | For DC/DC Converters | Power Over Ethernet (PoE) | - | - | 20 ~ 60V | 24V @ 20mA | 1500Vrms | 14µH @ 10kHz | 50kHz | -40°C ~ 125°C | - | - | Through Hole | 1.559" L x 1.700" W (39.60mm x 43.18mm) | 1.200" (30.48mm) | 1.559" L x 1.700" W (39.60mm x 43.18mm) | - |
|
749196241XFMR FLEX CONFIG DC/DC 6.6UH SMD |
902 | - |
|
Datasheet |
WE-FLEX | Tape & Reel (TR) | Active | Configurable (For DC/DC) | Flexible | - | - | - | - | 500VAC | 6.6µH @ 10kHz | - | -40°C ~ 125°C | - | - | Surface Mount | 0.642" L x 0.472" W (16.30mm x 12.00mm) | 0.291" (7.40mm) | 0.709" L x 0.642" W (18.00mm x 16.30mm) | - |
|
749196231XFMR FLEX CONFIG DC/DC 8.3UH SMD |
656 | - |
|
Datasheet |
WE-FLEX | Tape & Reel (TR) | Active | Configurable (For DC/DC) | Flexible | - | - | - | - | 500VAC | 8.3µH @ 10kHz | - | -40°C ~ 125°C | - | - | Surface Mount | 0.642" L x 0.472" W (16.30mm x 12.00mm) | 0.291" (7.40mm) | 0.709" L x 0.642" W (18.00mm x 16.30mm) | - |
|
749196201XFMR FLEX CONFIG DC/DC 140UH SMD |
211 | - |
|
Datasheet |
WE-FLEX | Tape & Reel (TR) | Active | Configurable (For DC/DC) | Flexible | - | - | - | - | 500VAC | 140µH @ 10kHz | - | -40°C ~ 125°C | - | - | Surface Mount | 0.642" L x 0.472" W (16.30mm x 12.00mm) | 0.291" (7.40mm) | 0.709" L x 0.642" W (18.00mm x 16.30mm) | - |
|
|
7491195212XFMR POE DC/DC CONV 21UH SMD |
216 | - |
|
Datasheet |
WE-PoEH | Tape & Reel (TR) | Active | For DC/DC Converters | Power Over Ethernet (PoE) | - | - | 9 ~ 57V | 10V | 1500Vrms | 21µH @ 100kHz | 200 ~ 400kHz | -40°C ~ 125°C | - | - | Surface Mount | 0.551" L x 0.591" W (14.00mm x 15.00mm) | 0.571" (14.50mm) | 0.551" L x 0.591" W (14.00mm x 18.10mm) | - |
|
7491195331XFMR POE DC/DC CONV 21UH SMD |
207 | - |
|
Datasheet |
WE-PoEH | Tape & Reel (TR) | Active | For DC/DC Converters | Power Over Ethernet (PoE) | - | - | 9 ~ 57V | 10V | 1500Vrms | 21µH @ 100kHz | 200 ~ 400kHz | -40°C ~ 125°C | - | - | Surface Mount | 0.551" L x 0.591" W (14.00mm x 15.00mm) | 0.571" (14.50mm) | 0.551" L x 0.713" W (14.00mm x 18.10mm) | - |
|
749196341XFMR FLEX CONFIG DC/DC 7.9UH SMD |
272 | - |
|
Datasheet |
WE-FLEX | Tape & Reel (TR) | Active | Configurable (For DC/DC) | Flexible | - | - | - | - | 500VDC | 7.9µH @ 10kHz | - | -40°C ~ 125°C | - | - | Surface Mount | 0.689" L x 0.630" W (17.50mm x 16.00mm) | 0.327" (8.30mm) | 0.689" L x 0.935" W (17.50mm x 23.74mm) | - |
|
749196331XFMR FLEX CONFIG DC/DC 9.3UH SMD |
221 | - |
|
Datasheet |
WE-FLEX | Tape & Reel (TR) | Active | Configurable (For DC/DC) | Flexible | - | - | - | - | 500VDC | 9.3µH @ 10kHz | - | -40°C ~ 125°C | - | - | Surface Mount | 0.689" L x 0.630" W (17.50mm x 16.00mm) | 0.327" (8.30mm) | 0.689" L x 0.935" W (17.50mm x 23.74mm) | - |
|
B78307A2385A003XFMR FLYBACK DC/DC CONV 10UH SMD |
280 | - |
|
Datasheet |
E10 EM | Tape & Reel (TR) | Active | For DC/DC Converters | Flyback Converters | - | - | - | - | - | 10µH @ 100kHz | 100 ~ 500kHz | -40°C ~ 150°C | Automotive | AEC-Q200 | Surface Mount | 0.461" L x 0.367" W (11.70mm x 9.33mm) | 0.447" (11.35mm) | 0.518" L x 0.461" W (13.15mm x 11.70mm) | - |
|
B78307A2338A003XFMR FLYBACK DC/DC CONV 2UH SMD |
218 | - |
|
Datasheet |
E10 EM | Tape & Reel (TR) | Active | For DC/DC Converters | Flyback Converters | - | - | - | - | - | 2µH @ 100kHz | 100 ~ 500kHz | -40°C ~ 150°C | Automotive | AEC-Q200 | Surface Mount | 0.461" L x 0.367" W (11.70mm x 9.33mm) | 0.447" (11.35mm) | 0.518" L x 0.461" W (13.15mm x 11.70mm) | - |
|
750311597XFMR FLYBACK DC/DC CONV 6UH SMD |
286 | - |
|
Datasheet |
WE-FB | Tape & Reel (TR) | Active | For DC/DC Converters | Flyback Converters | LT3573, LT3574, LT3575, LT3748 | Linear Technology | 20 ~ 48V | - | 1500Vrms | 6µH @ 150kHz | - | -40°C ~ 125°C | - | - | Surface Mount | - | 0.455" (11.56mm) | 0.910" L x 1.150" W (23.11mm x 29.08mm) | - |
|
|
749118105XFMR LED DR AC/DC CONV 2.8MH TH |
202 | - |
|
Datasheet |
WE-UNIT | Tray | Active | For AC/DC Converters | LED Drivers, AC/DC SMPS | NCP101x, NCP105x | On Semiconductor | 120 ~ 385V | - | 4000Vrms | 2.8mH @ 10kHz | 132kHz | -40°C ~ 125°C | - | - | Through Hole | 0.591" L x 0.433" W (15.00mm x 11.00mm) | 0.661" (16.80mm) | 0.591" L x 0.433" W (15.00mm x 11.00mm) | - |
