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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
HX5201NLXFRMR MODL 2PORT POE GIGABIT |
2,586 | - |
|
Datasheet |
- | Tray | Active | Isolation and Data Interface (Encapsulated) | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.580" L x 0.680" W (14.73mm x 17.27mm) | 0.430" (10.92mm) | -40°C ~ 85°C | - | - |
|
HX1234NLTXFRMR MODUL AUTO MDI/MDIX 10/100 |
1,218 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | Isolation and Data Interface (Encapsulated) | - | - | 1CT:1CT | Surface Mount | 1.125" L x 0.480" W (28.58mm x 12.19mm) | 0.290" (7.36mm) | -40°C ~ 85°C | - | - |
|
HX1234NLMODULE XFRMR ETHERNET LAN 40SOIC |
763 | - |
|
Datasheet |
- | Tube | Active | Isolation and Data Interface (Encapsulated) | - | - | 1CT:1CT | Surface Mount | 1.125" L x 0.480" W (28.58mm x 12.19mm) | 0.290" (7.36mm) | -40°C ~ 85°C | - | - |
|
HX5224CNLPULSE XFMR 1 CT:1CT TX/RX 350UH |
428 | - |
|
Datasheet |
- | Tube | Active | LAN 10/100/1000 Base-T | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.728" L x 0.604" W (18.50mm x 15.34mm) | 0.385" (9.77mm) | -40°C ~ 85°C | - | - |
|
HM7142NLXFMR MDL 10GBASE-T SMT AEC-Q200 |
3,703 | - |
|
Datasheet |
- | Tube | Active | LAN 10G Base-T | 150µH | - | - | Surface Mount | 0.540" L x 0.480" W (13.72mm x 12.20mm) | 0.225" (5.72mm) | -40°C ~ 125°C | - | - |
|
HM7142NLTXFRMR LAN MODULE |
1,037 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | - | - | - | - | Surface Mount | - | - | - | - | - |
|
749052050TRANSFORMER LAN |
223 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN | 180µH | - | 1:1 | Surface Mount | 0.720" L x 0.579" W (18.29mm x 14.70mm) | 0.346" (8.80mm) | 0°C ~ 70°C | - | - |
|
|
7490140112TRANSFORMER WE-LAN MED 10/100BT |
1,330 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1:1 | Surface Mount | 0.967" L x 0.669" W (24.55mm x 17.00mm) | 0.427" (10.85mm) | -40°C ~ 85°C | - | - |
|
|
HX5120NLTPULSE XFMR 1 CT:1CT TX/RX 350UH |
2,061 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100/1000 Base-T | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.650" L x 0.360" W (16.51mm x 9.14mm) | 0.082" (2.08mm) | -40°C ~ 85°C | - | - |
|
749020022AXFRMR LAN 1000 BASE-T 1:1 350UH |
814 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 1000 Base-T | 350µH | - | 1:1 | Surface Mount | 1.091" L x 0.295" W (27.70mm x 7.50mm) | 0.335" (8.50mm) | -40°C ~ 85°C | - | - |
|
|
HX6101NLTPULSE XFMR 1CT:1CT TX/RX |
437 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100/1000 Base-T | 120µH, 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 1.095" L x 0.480" W (27.81mm x 12.19mm) | 0.285" (7.24mm) | -40°C ~ 85°C | - | - |
|
|
HX6101NLPULSE XFMR 1CT:1CT TX/RX |
205 | - |
|
Datasheet |
- | Tube | Active | LAN 10/100/1000 Base-T | 120µH, 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 1.095" L x 0.480" W (27.81mm x 12.19mm) | 0.285" (7.24mm) | -40°C ~ 85°C | - | - |
|
100B-1003XTXFMR MODULE 100BT SMG COM NPB |
2,051 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1:1 | Surface Mount | 0.500" L x 0.265" W (12.70mm x 6.73mm) | 0.245" (6.22mm) | -55°C ~ 125°C | - | - |
|
GDE25-2TRANSF .650 OHM DUAL GATE DRIVE |
279 | - |
|
Datasheet |
GDE25 | Bulk | Active | Gate Drive | 680µH | 540VµS | 1:1:1 | Through Hole | 1.100" L x 1.040" W (27.94mm x 26.42mm) | 1.200" (30.48mm) | -40°C ~ 80°C | - | - |
|
HX6101FNLPULSE XFMR 1CT:1CT TX/RX |
566 | - |
|
Datasheet |
- | Tube | Active | LAN 10/100/1000 Base-T | 120µH, 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 1.095" L x 0.590" W (27.81mm x 14.99mm) | 0.285" (7.24mm) | -40°C ~ 85°C | - | - |
|
|
HX5020NLMODULE DUAL GIGABIT ETHENET 50P |
996 | - |
|
Datasheet |
- | Tube | Active | LAN 1000 Base-T | - | - | 1CT:1CT | Surface Mount | 1.100" L x 0.297" W (27.94mm x 7.54mm) | 0.341" (8.66mm) | -40°C ~ 85°C | - | - |
|
|
HX5020NLTTRANSFORMER MODULE GIGABIT 2PORT |
664 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | Isolation and Data Interface (Encapsulated) | - | - | 1:1 | Surface Mount | 1.100" L x 0.297" W (27.94mm x 7.54mm) | 0.341" (8.66mm) | -40°C ~ 85°C | - | - |
|
|
H5020NLTTRANSFORMER MODULE GIGABIT 2PORT |
480 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | Isolation and Data Interface (Encapsulated) | - | - | 1CT:1CT | Surface Mount | 1.100" L x 0.297" W (27.94mm x 7.54mm) | 0.341" (8.66mm) | 0°C ~ 70°C | - | - |
|
|
HX5120NLPULSE XFMR 1 CT:1CT TX/RX 350UH |
1,273 | - |
|
Datasheet |
- | Tube | Active | LAN 10/100/1000 Base-T | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.650" L x 0.360" W (16.51mm x 9.14mm) | 0.082" (2.08mm) | -40°C ~ 85°C | - | - |
|
GU4929RM LFMDL 1G DIP 4 PORT POE 90W |
556 | - |
|
Datasheet |
- | Tube | Active | LAN 1000 Base-T | 350µH | - | 1:1CT Transmitter, 1:1CT Receiver | Through Hole | 1.319" L x 1.142" W (33.50mm x 29.00mm) | 0.661" (16.80mm) | -40°C ~ 85°C | - | - |

