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0755-82798135Pulse Transformers
Pulse Transformers
Pulse Transformers are magnetic components used to transfer pulse signals, provide galvanic isolation and support reliable signal coupling in electronic circuits. They are widely used in switching power supplies, gate drive circuits, communication equipment, industrial control systems, data transmission, instrumentation, automotive electronics and embedded applications.
This category includes signal pulse transformers, gate drive transformers, isolation pulse transformers, LAN pulse transformers, trigger transformers and related high-frequency magnetic components. These products are commonly selected based on turns ratio, isolation voltage, pulse width, frequency range, impedance, package style, mounting type and application requirements.
TomatoElec supplies original Pulse Transformers from recognized manufacturers such as Pulse Electronics, Würth Elektronik, Bourns, TDK, Murata, Coilcraft, Triad Magnetics, TE Connectivity 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 | Transformer Type | Inductance | ET (Volt-Time) | Turns Ratio - Primary:Secondary | Mounting Type | Size / Dimension | Height - Seated (Max) | Operating Temperature | Grade | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PA1135NLTXFRMR 12V 7W 264UH POE EP10 SMD |
200 | - |
|
Datasheet |
EP10 | Tape & Reel (TR) | Active | Isolation and Data Interface (Encapsulated) | 264.1µH | - | 1:0.286:0.204 | Surface Mount | 0.515" L x 0.600" W (13.08mm x 15.24mm) | 0.451" (11.45mm) | -40°C ~ 125°C | - | - |
|
SM91508AL-EXFRMR PULSE 1:1 300UH SMD |
3,468 | - |
|
Datasheet |
SM | Tape & Reel (TR) | Active | - | 300µH | - | 1:1 | Surface Mount | 0.330" L x 0.303" W (8.38mm x 7.69mm) | 0.167" (4.25mm) | -40°C ~ 150°C | Automotive | AEC-Q200 |
|
PA1276NLTXFRMR 12V 13.5W 77.4UH POE EP13 |
108 | - |
|
Datasheet |
EP13 | Tape & Reel (TR) | Active | Isolation and Data Interface (Encapsulated) | 77.4µH | - | 1:0.682:0.682 | Surface Mount | 0.551" L x 0.695" W (14.00mm x 17.65mm) | 0.500" (12.70mm) | -40°C ~ 130°C | - | - |
|
B82804A0324A220PULSE XFMR 2:1:1 317UH |
578 | - |
|
Datasheet |
EP5 | Tape & Reel (TR) | Active | Gate Drive | 317µH | 24.5VµS | 2:1:1 | Surface Mount | 0.264" L x 0.240" W (6.70mm x 6.10mm) | 0.213" (5.40mm) | -40°C ~ 125°C | - | - |
|
|
7490100161ATRANSFORMER 10/100 BASE-T SMD |
546 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1:1 | Surface Mount | 0.500" L x 0.346" W (12.70mm x 8.80mm) | 0.250" (6.35mm) | -40°C ~ 125°C | - | - |
|
BX4550NLXFMR SGL G.FAST TOR 1CT:1CT |
2,255 | - |
|
Datasheet |
- | Tray | Active | - | - | - | - | - | - | - | - | - | - |
|
HX1260NLTXFRMR MODULE 1PORT 1:1 10/100 |
2,725 | - |
|
Datasheet |
Star Magnetics™ | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH, 400µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.500" L x 0.280" W (12.70mm x 7.11mm) | 0.235" (5.97mm) | -40°C ~ 85°C | - | - |
|
IL-20-0001IL5 PULSE TRANSFORMER THT 0.25A |
205 | - |
|
Datasheet |
IL | Bulk | Active | SCR and Triac Trigger (Encapsulated) | 3mH | 300VµS | 1:1:1 | Through Hole | 1.102" L x 0.906" W (28.00mm x 23.00mm) | 0.571" (14.50mm) | -25°C ~ 70°C | - | - |
|
PA1528NLTXFRMR 15V 27W 28.9UH POE EP13 |
884 | - |
|
Datasheet |
EP13 | Tape & Reel (TR) | Active | Isolation and Data Interface (Encapsulated) | 28.9µH | - | 1:0.470:0.294 | Surface Mount | 0.551" L x 0.516" W (14.00mm x 13.11mm) | 0.485" (12.32mm) | -40°C ~ 130°C | - | - |
|
PH9185.011NLTTRANSFORMER 750UH 1:1 SMD |
6,383 | - |
|
Datasheet |
PH9185 | Tape & Reel (TR) | Active | - | - | - | - | Surface Mount | 0.394" L x 0.394" W (10.00mm x 10.00mm) | 0.492" (12.50mm) | - | - | - |
|
PH9185.038NLTTRANSFORMER 310UH 3:8 SMD |
974 | - |
|
Datasheet |
PH9185 | Tape & Reel (TR) | Active | - | - | - | - | Surface Mount | 0.394" L x 0.394" W (10.00mm x 10.00mm) | 0.492" (12.50mm) | - | - | - |
|
|
HX2260NLTXFRMR MODUL 1PORT POE 1:1 10/100 |
1,265 | - |
|
Datasheet |
Star Magnetics™ | Tape & Reel (TR) | Active | Isolation and Data Interface (Encapsulated) | - | - | 1:1 | Surface Mount | 0.500" L x 0.280" W (12.70mm x 7.11mm) | 0.245" (6.22mm) | -40°C ~ 85°C | - | - |
|
PH9185.021NLTTRANSFORMER 880UH 2:1 SMD |
436 | - |
|
Datasheet |
PH9185 | Tape & Reel (TR) | Active | - | - | - | - | Surface Mount | 0.394" L x 0.394" W (10.00mm x 10.00mm) | 0.492" (12.50mm) | - | - | - |
|
B78476A8135A003PULSE XFMR 1CT:1CT 350UH |
1,599 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100/1000 Base-T | 350µH | - | 1CT:1CT | Surface Mount | 0.543" L x 0.598" W (13.80mm x 15.20mm) | 0.226" (5.75mm) | -40°C ~ 85°C | - | - |
|
|
B78476A8251A003PULSE XFMR 1CT:1CT 350UH |
692 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100/1000 Base-T | 350µH | - | 1CT:1CT | Surface Mount | 0.693" L x 0.476" W (17.60mm x 12.10mm) | 0.230" (5.85mm) | -40°C ~ 85°C | - | - |
|
B78476A8317A003PULSE XFMR 1CT:1CT 350UH |
625 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100/1000 Base-T | 350µH | - | 1CT:1CT | Surface Mount | 0.693" L x 0.476" W (17.60mm x 12.10mm) | 0.228" (5.80mm) | 0°C ~ 70°C | - | - |
|
|
750031353TRANSFORMER SI3210 SI3211SMD |
548 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | - | 11.3µH | - | 5:1 | Surface Mount | 0.530" L x 0.699" W (13.46mm x 17.75mm) | 0.500" (12.70mm) | - | - | - |
|
749012310WE-LAN AQ 10/100 BASE-T SMT TRAN |
800 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 10/100 Base-T, Power over Ethernet (PoE) | 150µH | - | 1:1 | Surface Mount | 0.500" L x 0.341" W (12.70mm x 8.67mm) | 0.157" (4.00mm) | -40°C ~ 85°C | - | - |
|
7490100111TRANSFORMER LAN 10/100 SMD |
6,419 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1:1 | Surface Mount | 0.510" L x 0.280" W (12.95mm x 7.11mm) | 0.210" (5.33mm) | -25°C ~ 105°C | - | - |
|
SM91501ALO-EBMS TRANSFORMER/CMC, 12PIN, DUAL |
2,000 | - |
|
Datasheet |
SM | Tape & Reel (TR) | Active | - | 150µH | - | 1:1 | Surface Mount | 0.583" L x 0.460" W (14.81mm x 11.68mm) | 0.197" (5.00mm) | -40°C ~ 125°C | - | - |

