# SG2M040120JJ

**SICHAIN(清纯)** · IC · TO-263-7L

SG2M040120JJ from SICHAIN(清纯), in a TO-263-7L. 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 | Gate | input | Gate control input; recommended operating gate-source voltage is -4/+18 V (absolute maximum -8/+22 V). |
| 2 | Driver Source | passive | Kelvin driver source pin for the gate drive return, separate from the power source pins. |
| 3 | Power Source | passive | Power source terminal carrying the main source current (continuous drain current 75 A at TC = 25°C), tied with pins 4, 5, 6 and 7. |
| 4 | Power Source | passive | Power source terminal carrying the main source current (continuous drain current 75 A at TC = 25°C), tied with pins 3, 5, 6 and 7. |
| 5 | Power Source | passive | Power source terminal carrying the main source current (continuous drain current 75 A at TC = 25°C), tied with pins 3, 4, 6 and 7. |
| 6 | Power Source | passive | Power source terminal carrying the main source current (continuous drain current 75 A at TC = 25°C), tied with pins 3, 4, 5 and 7. |
| 7 | Power Source | passive | Power source terminal carrying the main source current (continuous drain current 75 A at TC = 25°C), tied with pins 3, 4, 5 and 6. |
| TAB | Drain | passive | Drain connection via the package tab; drain-source voltage rated 1200 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | SICHAIN(清纯) |
| Package | TO-263-7L |
| Category |  |
| Pins | 7 |

## CAD (KiCad official)

- Symbol: `SG2M040120JJ`
- Footprint: `Package_TO_SOT_SMD:TO-263-7_TabPin4`
- 3D model: TO-263-7L (KiCad packages3D, STEP)
- 3D model files: `sg2m040120jj-etched.step` / `sg2m040120jj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sg2m040120jj.step` / `sg2m040120jj.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SICHAIN(清纯) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604441065965973504) (14 pp, sha256 `9ad1e43d6a0a150a`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/sg2m040120jj-datasheet.pdf)