# IRFP4668PBF

**Infineon Technologies** · MOSFETs · TO-247AC

IRFP4668PBF from Infineon Technologies, in a TO-247AC. 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 | G | input | Gate terminal; gate-to-source voltage is rated at ±30 V (VGS max) with a threshold of 3.0 V to 5.0 V. |
| 2 | D | passive | Drain terminal; rated for 130 A continuous drain current at TC = 25°C (VGS = 10 V) and a drain-to-source breakdown voltage of 200 V. |
| 3 | S | passive | Source terminal; continuous source (body diode) current is rated at 130 A and pulsed source current at 520 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | TO-247AC |
| 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 |
|---|---|---|---|---|---|---|---|
| Continuous Drain Current (TC = 25°C) | ID |  |  | 130 | A | VGS @ 10V, TC = 25°C | 1 |
| Continuous Drain Current (TC = 100°C) | ID |  |  | 92 | A | VGS @ 10V, TC = 100°C | 1 |
| Pulsed Drain Current | IDM |  |  | 520 | A |  | 1 |
| Maximum Power Dissipation | PD |  |  | 520 | W | TC = 25°C | 1 |
| Linear Derating Factor |  |  |  | 3.5 | W/°C |  | 1 |
| Gate-to-Source Voltage | VGS | -30 |  | 30 | V |  | 1 |
| Single Pulse Avalanche Energy (thermally limited) | EAS |  |  | 760 | mJ | Thermally limited, single pulse | 1 |
| Repetitive Avalanche Energy | EAR |  |  | 57 | mJ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 175 | °C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 175 | °C |  | 1 |
| Soldering Temperature |  |  |  | 300 | °C | for 10 seconds (1.6mm from case) | 1 |
| Mounting Torque |  |  |  | 10 | lbin | 6-32 or M3 screw; printed as 10lbin (1.1Nm) | 1 |
| Junction-to-Case Thermal Resistance | RθJC |  |  | 0.29 | °C/W | Junction-to-Case | 1 |
| Case-to-Sink Thermal Resistance, Flat Greased Surface | RθCS |  | 0.24 |  | °C/W | Case-to-Sink, flat greased surface | 1 |
| Junction-to-Ambient Thermal Resistance | RθJA |  |  | 40 | °C/W | Junction-to-Ambient, when mounted on 1in square PCB (FR-4 or G-10) | 1 |
| Drain-to-Source Breakdown Voltage | V(BR)DSS | 200 |  |  | V | VGS = 0V, ID = 250μA | 2 |
| Static Drain-to-Source On-Resistance | RDS(on) |  | 8 | 9.7 | mΩ | VGS = 10V, ID = 81A | 2 |
| Gate Threshold Voltage | VGS(th) | 3 |  | 5 | V | VDS = VGS, ID = 250μA | 2 |
| Drain-to-Source Leakage Current (TJ = 25°C) | IDSS |  |  | 20 | μA | VDS = 200V, VGS = 0V | 2 |
| Drain-to-Source Leakage Current (TJ = 125°C) | IDSS |  |  | 250 | μA | VDS = 200V, VGS = 0V, TJ = 125°C | 2 |
| Gate-to-Source Forward Leakage | IGSS |  |  | 100 | nA | VGS = 20V | 2 |
| Gate-to-Source Reverse Leakage | IGSS |  |  | -100 | nA | VGS = -20V | 2 |
| Forward Transconductance | gfs | 150 |  |  | S | VDS = 50V, ID = 81A | 2 |
| Total Gate Charge | Qg |  | 161 | 241 | nC | VGS = 10V, ID = 81A, VDS = 100V | 2 |
| Continuous Source Current (Body Diode) | IS |  |  | 130 | A |  | 2 |
| Pulsed Source Current (Body Diode) | ISM |  |  | 520 | A |  | 2 |
| Diode Forward Voltage | VSD |  |  | 1.3 | V | TJ = 25°C, IS = 81A, VGS = 0V | 2 |

## CAD (KiCad official)

- Symbol: `IRFP4668PBF`
- Footprint: `Package_TO_SOT_THT:TO-247-3_Vertical`
- 3D model: TO-247AC (KiCad packages3D, STEP)
- 3D model files: `irfp4668pbf-etched.step` / `irfp4668pbf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `irfp4668pbf.step` / `irfp4668pbf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Infineon Technologies datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588887164126449664) (8 pp, sha256 `cdc3a5738f45a546`, retrieved 2026-11-06, 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/irfp4668pbf-datasheet.pdf)