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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SM13126PEL10/100 BASE TX LAN POE +85 C, IE |
4,572 | - |
|
Datasheet |
SM | Tape & Reel (TR) | Active | LAN 10/100 Base-T, Power over Ethernet (PoE) | 350µH | - | 1:1 | Surface Mount | 0.504" L x 0.272" W (12.80mm x 6.90mm) | 0.222" (5.65mm) | -40°C ~ 85°C | Automotive | AEC-Q200 |
|
|
B78476A8065A003PULSE XFMR 1CT:1CT 350UH |
53,346 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1CT:1CT | Surface Mount | 0.500" L x 0.280" W (12.70mm x 7.11mm) | 0.220" (5.60mm) | -40°C ~ 85°C | - | - |
|
PA2001NLTPULSE XFMR 1:1 403UH |
1,671 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | - | 403µH | 12VµS | 1:1 | Surface Mount | 0.340" L x 0.265" W (8.64mm x 6.73mm) | 0.098" (2.49mm) | -40°C ~ 130°C | - | - |
|
|
S558-5500-25-FMODULE XFRMR LAN 10/100 POE SMD |
1,700 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T, Power over Ethernet (PoE) | 350µH | - | 1:1 Transmitter, 1:1 Receiver | Surface Mount | 0.485" L x 0.285" W (12.32mm x 7.24mm) | 0.225" (5.72mm) | 0°C ~ 70°C | - | - |
|
|
S558-5999-U7-FMODULE XFRMR LAN 10/100B-TX SMD |
25,037 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.485" L x 0.285" W (12.32mm x 7.24mm) | 0.225" (5.72mm) | -40°C ~ 85°C | - | - |
|
|
S558-5999-T5-FMODULE XFRMR LAN 10/100B-TX SMD |
21,533 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.485" L x 0.285" W (12.32mm x 7.24mm) | 0.225" (5.72mm) | -40°C ~ 85°C | - | - |
|
|
S558-5999-T7-FMODULE XFRMR LAN 10/100B-TX SMD |
3,361 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.485" L x 0.285" W (12.32mm x 7.24mm) | 0.225" (5.72mm) | -40°C ~ 85°C | - | - |
|
|
PH9384.034NLTXFMR GATE-DR 3T:4CT SMT NPB |
1,065 | - |
|
Datasheet |
PH9384 | Tape & Reel (TR) | Active | - | - | - | - | Surface Mount | 0.492" L x 0.362" W (12.50mm x 9.20mm) | 0.299" (7.60mm) | - | - | - |
|
PE-68386NLTPULSE XFMR 1:1 785UH |
2,036 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | - | 785µH | 9.7VµS | 1:1 | Surface Mount | 0.340" L x 0.265" W (8.64mm x 6.73mm) | 0.098" (2.49mm) | -40°C ~ 130°C | - | - |
|
ALANL100X1-DE12DTXFRMR LAN 1CT:1CT 350UH |
2,390 | - |
|
Datasheet |
ALANL100X1-D | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1CT:1CT Transmitter, 1CT:1CT Receiver | Surface Mount | 0.500" L x 0.280" W (12.70mm x 7.11mm) | 0.085" (2.16mm) | -40°C ~ 85°C | - | - |
|
PA2002NLTPULSE XFMR 1:1:1 1.8MH |
5,897 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | - | 1.8mH | 60VµS | 1:1:1 | Surface Mount | 0.355" L x 0.340" W (9.02mm x 8.64mm) | 0.300" (7.62mm) | -40°C ~ 130°C | - | - |
|
PE-68386NLPULSE XFMR 1:1 785UH |
1,415 | - |
|
Datasheet |
- | Tube | Active | - | 785µH | 9.7VµS | 1:1 | Surface Mount | 0.340" L x 0.265" W (8.64mm x 6.73mm) | 0.098" (2.49mm) | -40°C ~ 130°C | - | - |
|
PA0297NLTPULSE XFMR 2:1:1 1200UH |
680 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | - | 1.2mH | 27.2VµS | 2:1:1 | Surface Mount | 0.355" L x 0.340" W (9.02mm x 8.64mm) | 0.300" (7.62mm) | -40°C ~ 130°C | - | - |
|
SM51589PELPULSE XFMR 1CT:1CT 350UH |
7,643 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100/1000 Base-T | 350µH | - | 1CT:1CT | Surface Mount | 0.691" L x 0.480" W (17.55mm x 12.20mm) | 0.236" (6.00mm) | -40°C ~ 85°C | - | - |
|
IL-11-0002IL1 PULSE TRANSFORMER THT 0.25A |
321 | - |
|
Datasheet |
IL | Bulk | Active | Isolation and Data Interface (Encapsulated) | 2.5mH | - | 1:1 | Through Hole | 0.689" L x 0.728" W (17.50mm x 18.50mm) | 0.453" (11.50mm) | -25°C ~ 70°C | - | - |
|
SM51625ELXFRMR LAN POE+ 1.2A 24SMD |
1,214 | - |
|
Datasheet |
SM | Tape & Reel (TR) | Active | LAN | 10µH | - | 1:1 | Surface Mount | 0.691" L x 0.480" W (17.55mm x 12.20mm) | 0.246" (6.25mm) | -40°C ~ 85°C | - | - |
|
IL-10-0001IL5 PULSE TRANSFORMER THT 0.1A |
4,182 | - |
|
Datasheet |
IL | Bulk | Active | SCR and Triac Trigger (Encapsulated) | 2.5mH | 250VµS | 1:1:1 | Through Hole | 0.689" L x 0.728" W (17.50mm x 18.50mm) | 0.453" (11.50mm) | -25°C ~ 70°C | - | - |
|
|
749013011ATRANS WE-LAN 10/100 POE SMD |
817 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 10/100 Base-T, Power over Ethernet (PoE) | 350µH | - | 1:1 | Surface Mount | 0.500" L x 0.346" W (12.70mm x 8.80mm) | 0.250" (6.35mm) | -40°C ~ 105°C | - | - |
|
749020111AWE-LAN 10/100/1000 BASE-T SMT TR |
4,729 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 1000 Base-T | 350µH | - | 1:1 | - | 0.650" L x 0.354" W (16.50mm x 9.00mm) | 0.093" (2.35mm) | 0°C ~ 70°C | - | - |
|
7490100111ATRANSFORMER LAN 10/100 SMD |
3,206 | - |
|
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 ~ 105°C | - | - |

