component
IRFS4321TRLPBF
Public Made by Adomby adom
Infineon Technologies MOSFETs, D2PAK. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownIRFS4321TRLPBF
Infineon Technologies · MOSFETs · D2PAK
IRFS4321TRLPBF from Infineon Technologies, in a D2PAK. 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 ±30 V (VGS max), with VGS(th) of 3.0 V min to 5.0 V max. |
| 2 | D | passive | Drain terminal; continuous drain current is 85 A at TC = 25°C (60 A at TC = 100°C) with VDSS of 150 V. |
| 3 | S | passive | Source terminal; body diode continuous source current is rated 85 A and pulsed source current 330 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | D2PAK |
| 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 | 85 | A | VGS @ 10V, TC = 25°C | 1 | ||
| Continuous Drain Current (TC = 100°C) | ID | 60 | A | VGS @ 10V, TC = 100°C | 1 | ||
| Pulsed Drain Current | IDM | 330 | A | 1 | |||
| Maximum Power Dissipation | PD | 350 | W | TC = 25°C | 1 | ||
| Linear Derating Factor | 2.3 | W/°C | 1 | ||||
| Gate-to-Source Voltage | VGS | -30 | 30 | V | 1 | ||
| Single Pulse Avalanche Energy (thermally limited) | EAS | 120 | mJ | Thermally limited, single pulse | 1 | ||
| Operating Junction Temperature | 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 | |||
| Junction-to-Case Thermal Resistance | RθJC | 0.43 | °C/W | 1 | |||
| Junction-to-Case Thermal Resistance (end of life) | RθJC | 0.65 | °C/W | End of life after 1000 temperature cycles from -55 to 150°C (footnote) | 1 | ||
| Junction-to-Ambient Thermal Resistance | RθJA | 40 | °C/W | 1 | |||
| Drain-to-Source Breakdown Voltage | V(BR)DSS | 150 | V | VGS = 0V, ID = 250μA | 2 | ||
| Static Drain-to-Source On-Resistance | RDS(on) | 12 | 15 | mΩ | VGS = 10V, ID = 33A | 2 | |
| Gate Threshold Voltage | VGS(th) | 3 | 5 | V | VDS = VGS, ID = 250μA | 2 | |
| Drain-to-Source Leakage Current | IDSS | 20 | μA | VDS = 150V, VGS = 0V | 2 | ||
| Drain-to-Source Leakage Current (TJ = 125°C) | IDSS | 1 | mA | VDS = 150V, 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 | 130 | S | VDS = 25V, ID = 50A | 2 | ||
| Total Gate Charge | Qg | 71 | 110 | nC | 2 | ||
| Continuous Source Current (Body Diode) | IS | 85 | A | 2 | |||
| Pulsed Source Current (Body Diode) | ISM | 330 | A | 2 | |||
| Diode Forward Voltage | VSD | 1.3 | V | TJ = 25°C, IS = 50A, VGS = 0V | 2 | ||
| Reverse Recovery Time | trr | 89 | 130 | ns | ID = 50A | 2 | |
| Reverse Recovery Charge | Qrr | 300 | 450 | nC | VR = 128V, di/dt = 100A/μs | 2 |
CAD (KiCad official)
- Symbol:
IRFS4321TRLPBF - Footprint:
Package_TO_SOT_SMD:TO-263-2 - 3D model: D2PAK (KiCad packages3D, STEP)
- 3D model files:
irfs4321trlpbf-etched.step/irfs4321trlpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);irfs4321trlpbf.step/irfs4321trlpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Infineon Technologies datasheet (10 pp, sha256
3027da497c4cd417, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).