# WGP4N70SE

**Wild Goose** · MOSFETs · TO-220

WGP4N70SE from Wild Goose, in a TO-220. 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 (G) | input | Gate terminal; the absolute maximum rating table lists a ±30 V limit for the gate-source voltage, and VGS(TH) is specified at 2 V to 4 V for ID=250μA and VDS=VGS. |
| 2 | Drain (D) | passive | Drain terminal; the part is rated for a drain-source voltage VDSS of 700 V and a drain current ID of 4.0 A at Tj=25℃ (2.3 A at Tj=100℃). |
| 3 | Source (S) | passive | Source terminal; the body diode is rated for a maximum forward current of 4 A and a maximum pulsed forward current of 16 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Wild Goose |
| Package | TO-220 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDSS |  |  | 700 | V |  | 1 |
| Drain Current (Tj=25℃) | ID |  |  | 4 | A | Tj=25℃ | 1 |
| Drain Current (Tj=100℃) | ID |  |  | 2.3 | A | Tj=100℃ | 1 |
| Gate Threshold Voltage (absolute maximum row as printed) | VGS(TH) | -30 |  | 30 | V |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 300 | mJ | note1 | 1 |
| Avalanche Current | IAR |  |  | 4 | A | note2 | 1 |
| Power Dissipation | PD |  |  | 30 | W | Tj=25℃ | 1 |
| Junction Temperature (Max) | Tj |  |  | 150 | ℃ |  | 1 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Maximum lead temperature for soldering purpose | TL |  |  | 300 | ℃ | 1/8” from case for 5 seconds | 1 |
| Thermal Resistance, Junction to Case | RθJC |  |  | 4.16 | ℃/W |  | 1 |
| Thermal Resistance, Junction to Ambient | RθJA |  |  | 62.5 | ℃/W |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 700 |  |  | V | ID=250μA, VGS=0 | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS=700V, VGS=0V | 2 |
| Zero Gate Voltage Drain Current (Tj=125℃) | IDSS |  |  | 10 | μA | VDS=560V, Tj=125℃ | 2 |
| Gate-body leakage Current, Forward | IGSSF |  |  | 100 | nA | VGS=+30V, VDS=0V | 2 |
| Gate-body leakage Current, Reverse | IGSSR |  |  | -100 | nA | VGS=-30V, VDS=0V | 2 |
| Gate Threshold Voltage | VGS(TH) | 2 |  | 4 | V | ID=250μA, VDS=VGS | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  |  | 3.3 | Ω | ID=2.0A, VGS=10V | 2 |
| Input Capacitance | Ciss |  | 440 | 560 | pF | VDS=25V, VGS=0, f=1.0MHz | 2 |
| Output Capacitance | Coss |  | 65 | 85 | pF |  | 2 |
| Reverse Transfer Capacitance | Crss |  | 5.6 | 7.3 | pF |  | 2 |
| Turn-On Delay Time | Td(on) |  | 13 | 35 | ns | VDD=350V, ID=4A, RG=25Ω | 2 |
| Turn-On Rise Time | Tr |  | 45 | 110 | ns |  | 2 |
| Turn-Off Delay Time | Td(off) |  | 25 | 60 | ns |  | 2 |
| Turn-Off Rise Time | Tf |  | 35 | 80 | ns |  | 2 |
| Total Gate Charge | Qg |  | 15 | 20 | nC | VDS=480V, VGS=10V, ID=4A | 2 |
| Max. Diode Forward Current | Is |  |  | 4 | A |  | 2 |
| Max. Pulsed Forward Current | ISM |  |  | 16 | A |  | 2 |
| Gate-Source Charge | Qgs |  | 3.4 |  | nC |  | 2 |
| Gate-Drain Charge | Qgd |  | 7.1 |  | nC |  | 2 |
| Reverse Recovery Time | Trr |  | 250 |  | nS | IS=4A, VGS=0V, diF/dt=100A/μs | 2 |
| Reverse Recovery Charge | Qrr |  | 1.5 |  | μC |  | 2 |
| Breakdown Voltage Temperature Coefficient | △BVDSS/△TJ |  | 0.6 |  | V/℃ | ID=250μA, Reference to 25℃ | 2 |

## CAD (KiCad official)

- Symbol: `WGP4N70SE`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220 (KiCad packages3D, STEP)
- 3D model files: `wgp4n70se-etched.step` / `wgp4n70se-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wgp4n70se.step` / `wgp4n70se.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Wild Goose datasheet](docs/wgp4n70se-datasheet.pdf) (7 pp, sha256 `ff7de6b4b7622999`, retrieved 2026-11-05, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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](docs/wgp4n70se-datasheet.pdf)