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H4001DG-A

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Dongguan Mentech Optical Magnetic Pulse Transformers(LAN), DIP-40. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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H4001DG-A

Dongguan Mentech Optical Magnetic · Pulse Transformers(LAN) · DIP-40

H4001DG-A from Dongguan Mentech Optical Magnetic, in a DIP-40. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 TD1+ passive Port 1 transmit/device-side winding positive terminal (1CT:1CT, 350 uH min OCL).
2 TD1- passive Port 1 device-side winding negative terminal.
3 TD2+ passive Port 2 device-side winding positive terminal.
4 TD2- passive Port 2 device-side winding negative terminal.
5 TCT1 passive Center tap of the device-side windings for port 1/2 (TD1/TD2).
6 TD3+ passive Port 3 device-side winding positive terminal.
7 TD3- passive Port 3 device-side winding negative terminal.
8 TD4+ passive Port 4 device-side winding positive terminal.
9 TD4- passive Port 4 device-side winding negative terminal.
10 TCT2 passive Center tap of the device-side windings for TD3/TD4.
11 TD5+ passive Port 5 device-side winding positive terminal.
12 TD5- passive Port 5 device-side winding negative terminal.
13 TD6+ passive Port 6 device-side winding positive terminal.
14 TD6- passive Port 6 device-side winding negative terminal.
15 TCT3 passive Center tap of the device-side windings for TD5/TD6.
16 TD7+ passive Port 7 device-side winding positive terminal.
17 TD7- passive Port 7 device-side winding negative terminal.
18 TD8+ passive Port 8 device-side winding positive terminal.
19 TD8- passive Port 8 device-side winding negative terminal.
20 TCT4 passive Center tap of the device-side windings for TD7/TD8.
21 MCT4 passive Center tap of the line-side windings for MX7/MX8.
22 MX8- passive Line-side winding negative terminal for channel 8.
23 MX8+ passive Line-side winding positive terminal for channel 8.
24 MX7- passive Line-side winding negative terminal for channel 7.
25 MX7+ passive Line-side winding positive terminal for channel 7.
26 MCT3 passive Center tap of the line-side windings for MX5/MX6.
27 MX6- passive Line-side winding negative terminal for channel 6.
28 MX6+ passive Line-side winding positive terminal for channel 6.
29 MX5- passive Line-side winding negative terminal for channel 5.
30 MX5+ passive Line-side winding positive terminal for channel 5.
31 MCT2 passive Center tap of the line-side windings for MX3/MX4.
32 MX4- passive Line-side winding negative terminal for channel 4.
33 MX4+ passive Line-side winding positive terminal for channel 4.
34 MX3- passive Line-side winding negative terminal for channel 3.
35 MX3+ passive Line-side winding positive terminal for channel 3.
36 MCT1 passive Center tap of the line-side windings for MX1/MX2.
37 MX2- passive Line-side winding negative terminal for channel 2.
38 MX2+ passive Line-side winding positive terminal for channel 2.
39 MX1- passive Line-side winding negative terminal for channel 1.
40 MX1+ passive Line-side winding positive terminal for channel 1.

Key specifications

Parameter Value
Manufacturer Dongguan Mentech Optical Magnetic
Package DIP-40
Category Inductors, Coils, Chokes
Pins 40

CAD (KiCad official)

  • Symbol: H4001DG-A
  • Footprint: Package_DIP:DIP-40_W25.4mm
  • 3D model: DIP-40 (KiCad packages3D, STEP)
  • 3D model files: h4001dg-a-etched.step / h4001dg-a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); h4001dg-a.step / h4001dg-a.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Dongguan Mentech Optical Magnetic datasheet (1 pp, sha256 06ec7811c5d014d3, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF