# 7N70G-TC-TN3-R

**UTC Unisonic Tech** · MOSFETs · TO-252

7N70G-TC-TN3-R from UTC Unisonic Tech, in a TO-252. 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 of the N-channel power MOSFET; gate-source voltage is rated ±30 V (VGSS). |
| 2 | Drain | passive | Drain of the 7 A, 700 V N-channel MOSFET (VDSS 700 V, continuous drain current ID 7 A). |
| 3 | Source | passive | Source of the MOSFET; body-diode maximum continuous current IS is 7 A and pulsed current ISM is 28 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UTC Unisonic Tech |
| Package | TO-252 |
| 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 Breakdown Voltage | BVDSS | 700 |  |  | V | VGS=0V, ID= 250μA | 4 |
| Drain-Source Leakage Current | IDSS |  |  | 10 | µA | VDS=700V, VGS=0V | 4 |
| Gate-Source Leakage Current Forward | IGSS |  |  | 100 | nA | VGS=30V, VDS=0V | 4 |
| Gate-Source Leakage Current Reverse | IGSS |  |  | -100 | nA | VGS=-30V, VDS=0V | 4 |
| Gate Threshold Voltage | VGS(TH) | 2 |  | 4 | V | VDS=VGS, ID=250μA | 4 |
| Static Drain-Source On-State Resistance | RDS(ON) |  |  | 1.7 | Ω | VGS=10V, ID=3.5A | 4 |
| Drain-Source Voltage | VDSS |  |  | 700 | V |  | 3 |
| Gate-Source Voltage | VGSS | -30 |  | 30 | V |  | 3 |
| Drain Current Continuous | ID |  |  | 7 | A |  | 3 |
| Drain Current Pulsed | IDM |  |  | 14 | A | Pulsed (Note 2) | 3 |
| Avalanche Energy Single Pulsed | EAS |  |  | 80 | mJ | Single Pulsed (Note 3): L=10mH, IAS=4.0A, VDD=50V, RG=25Ω, TJ=25°C | 3 |
| Peak Diode Recovery dv/dt | dv/dt |  |  | 3.2 | V/ns | Note 4: ISD ≤ 7.0A, di/dt ≤200A/μs, VDD ≤BVDSS, TJ=25°C | 3 |
| Power Dissipation TO-252 | PD |  |  | 57 | W | TO-252 | 3 |
| Junction Temperature | TJ |  |  | 150 | °C |  | 3 |
| Storage Temperature | TSTG | -55 |  | 150 | °C |  | 3 |
| Maximum Body-Diode Continuous Current | IS |  |  | 7 | A |  | 4 |
| Maximum Body-Diode Pulsed Current | ISM |  |  | 28 | A |  | 4 |
| Junction to Ambient, TO-252 | θJA |  | 110 |  | °C/W | Junction to Ambient, TO-252 | 3 |
| Junction to Case, TO-252 | θJC |  | 2.08 |  | °C/W | Junction to Case, TO-252 | 3 |

## CAD (KiCad official)

- Symbol: `7N70G-TC-TN3-R`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `7n70g-tc-tn3-r-etched.step` / `7n70g-tc-tn3-r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `7n70g-tc-tn3-r.step` / `7n70g-tc-tn3-r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UTC Unisonic Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590230718950371328) (9 pp, sha256 `90bacd54bf100d0e`, retrieved 2026-10-19, 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/7n70g-tc-tn3-r-datasheet.pdf)