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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SM453229-381N7YXFRMR LAN 10/100/1000 1:1 350UH |
5,364 | - |
|
Datasheet |
SM | Tape & Reel (TR) | Active | LAN 10/100/1000 Base-T | 350µH | - | 1:1 | Surface Mount | - | 0.114" (2.90mm) | -40°C ~ 85°C | - | - |
|
DA101JC-RDIGITAL AUDIO TX |
5,381 | - |
|
Datasheet |
DA100J | Tape & Reel (TR) | Active | - | 2.06mH | 15VµS | 1:1 | Surface Mount | 0.354" L x 0.375" W (9.00mm x 9.52mm) | 0.250" (6.35mm) | -40°C ~ 85°C | - | - |
|
DA101MC-RDIGITAL AUDIO TX |
3,057 | - |
|
Datasheet |
DA100 | Tape & Reel (TR) | Not For New Designs | - | 2.06mH | 15VµS | 1:1 | Surface Mount | 0.354" L x 0.375" W (9.00mm x 9.52mm) | 0.250" (6.35mm) | 0°C ~ 70°C | - | - |
|
74930000XFRMR 1:1 350UH SUPER TINY SMD |
3,721 | - |
|
Datasheet |
WE-STST | Tape & Reel (TR) | Active | - | 350µH | - | 1:1 | Surface Mount | 0.185" L x 0.127" W (4.70mm x 3.22mm) | 0.114" (2.90mm) | -40°C ~ 105°C | - | - |
|
78615/9JC-RPULSE XFMR 1CT:1CT 10MH |
8,302 | - |
|
Datasheet |
786J | Tape & Reel (TR) | Active | General Purpose | 10mH | 56VµS | 1CT:1CT | Surface Mount | 0.375" L x 0.354" W (9.52mm x 9.00mm) | 0.250" (6.35mm) | 0°C ~ 70°C | - | - |
|
78601/9JC-RPULSE XFMR 1:1 10MH |
1,441 | - |
|
Datasheet |
786J | Tape & Reel (TR) | Active | General Purpose | 10mH | 56VµS | 1:1 | Surface Mount | 0.375" L x 0.354" W (9.52mm x 9.00mm) | 0.250" (6.35mm) | 0°C ~ 70°C | - | - |
|
|
750082154TRANS MODEM CONEXANT SMARTDAA |
18,703 | - |
|
Datasheet |
WE-AMT, MID-DAA | Tape & Reel (TR) | Active | - | 30µH | - | 1.67:1 | Surface Mount | 0.173" L x 0.360" W (4.39mm x 9.14mm) | 0.078" (1.98mm) | - | - | - |
|
74930100XFRMR PULSE 1:1 120UH SMD |
3,095 | - |
|
Datasheet |
WE-STST | Tape & Reel (TR) | Active | - | 120µH | - | 1:1 | Surface Mount | 0.185" L x 0.127" W (4.70mm x 3.22mm) | 0.114" (2.90mm) | -40°C ~ 105°C | - | - |
|
|
ALT4532M-171-T001XFRMR LAN 1CT:1CT 170UH |
8,435 | - |
|
Datasheet |
ALT | Tape & Reel (TR) | Active | LAN | 170µH | - | 1CT:1CT | Surface Mount | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.087" (2.20mm) | -40°C ~ 85°C | - | - |
|
|
ALT4532M-201-T001XFRMR LAN 1CT:1CT 200UH |
7,458 | - |
|
Datasheet |
ALT | Tape & Reel (TR) | Active | LAN | 200µH | - | 1CT:1CT | Surface Mount | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.114" (2.90mm) | -40°C ~ 85°C | - | - |
|
78615/9JCXFRMR 1CT:1CT 56VUS SMD TOROID |
8,652 | - |
|
Datasheet |
786 | Tube | Active | General Purpose | 10mH | 56VµS | 1CT:1CT | Surface Mount | 0.354" L x 0.375" W (9.00mm x 9.52mm) | 0.250" (6.35mm) | -40°C ~ 85°C | - | - |
|
DA101JCDIGITAL AUDIO TX |
2,966 | - |
|
Datasheet |
DA100J | Tube | Active | - | 2.06mH | 15VµS | 1:1 | Surface Mount | 0.354" L x 0.375" W (9.00mm x 9.52mm) | 0.250" (6.35mm) | -40°C ~ 85°C | - | - |
|
DA102CDIGITAL AUDIO TX 1:1 3MH DIP |
1,216 | - |
|
Datasheet |
DA100 | Tube | Active | - | 3.9mH | 20VµS | 1:1 | Through Hole | 0.354" L x 0.375" W (9.00mm x 9.52mm) | 0.250" (6.35mm) | 0°C ~ 70°C | - | - |
|
78601/9JCPULSE XFMR 1:1 10MH |
625 | - |
|
Datasheet |
786J | Tube | Active | General Purpose | 10mH | 56VµS | 1:1 | Surface Mount | 0.375" L x 0.354" W (9.52mm x 9.00mm) | 0.250" (6.35mm) | 0°C ~ 70°C | - | - |
|
ALT4532P-181-T05GPULSE TRANSFORMERS FOR LAN INTER |
3,975 | - |
|
Datasheet |
ALT | Tape & Reel (TR) | Active | LAN | 180µH | - | 1CT:1CT | Surface Mount | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.114" (2.90mm) | -40°C ~ 105°C | - | - |
|
ALT4532H-121-T10GPULSE TRANSFORMERS FOR LAN INTER |
437 | - |
|
Datasheet |
ALT | Tape & Reel (TR) | Active | LAN | 120µH | - | 1CT:1CT | Surface Mount | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.114" (2.90mm) | -40°C ~ 85°C | - | - |
|
|
B78476A8245A003PULSE XFMR 1CT:1CT 350UH |
3,961 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1CT:1CT | Surface Mount | 0.500" L x 0.272" W (12.70mm x 6.90mm) | 0.230" (5.85mm) | 0°C ~ 70°C | - | - |
|
749013011TRANSFORMER LAN 10/100 POE SMD |
2,464 | - |
|
Datasheet |
WE-LAN | Tape & Reel (TR) | Active | LAN 10/100 Base-T, Power over Ethernet (PoE) | 350µH | - | 1:1 | Surface Mount | 0.510" L x 0.280" W (12.95mm x 7.11mm) | 0.210" (5.33mm) | -40°C ~ 85°C | - | - |
|
PT61017PELPULSE XFMR 1CT:1CT 350UH |
17,201 | - |
|
Datasheet |
- | Tape & Reel (TR) | Active | LAN 10/100 Base-T | 350µH | - | 1CT:1CT | Surface Mount | 0.504" L x 0.272" W (12.80mm x 6.90mm) | 0.222" (5.65mm) | 0°C ~ 70°C | - | - |
|
ESMIT-4180/AXFMR MODEM SMD |
32,475 | - |
|
Datasheet |
CBM | Tape & Reel (TR) | Active | Data/Voice Coupling | 120µH | - | 1:1 | Surface Mount | 0.205" L x 0.280" W (5.20mm x 7.10mm) | 0.138" (3.50mm) | -20°C ~ 105°C | - | - |

