component
FH3401B
Public Made by Adomby adom
XIN FEI HONG MOSFETs, SOT-23. 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
markdownFH3401B
XIN FEI HONG · MOSFETs · SOT-23
FH3401B from XIN FEI HONG, in a SOT-23. 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; gate-source voltage limit is ±12V, with a threshold of -0.6V min to -1.3V max at ID=-250μA. |
| 2 | S | passive | Source of the P-channel MOSFET; continuous drain current is -4.2A and the body diode forward voltage is at most -1.2V at IS=-1A. |
| 3 | D | passive | Drain; drain-source voltage is -30V, continuous current is -4.2A and pulsed current is -30A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | XIN FEI HONG |
| Package | SOT-23 |
| Category | Triode/MOS Tube/Transistor |
| 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 | VDS | -30 | V | 1 | |||
| Gate-Source Voltage | VGS | -12 | 12 | V | 1 | ||
| Drain Current-Continuous | ID | -4.2 | A | 1 | |||
| Drain Current-Pulsed | IDM | -30 | A | Note 1: repetitive rating, pulse width limited by maximum junction temperature | 1 | ||
| Maximum Power Dissipation | PD | 1.25 | W | 1 | |||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 100 | ℃/W | Surface mounted on FR4 board, t ≤ 10 sec (Note 2) | 1 | ||
| Gate-Body Leakage Current | IGSS | -100 | 100 | nA | VGS=±12V, VDS=0V | 2 | |
| Gate Threshold Voltage | VGS(th) | -0.6 | -0.85 | -1.3 | V | VDS=VGS, ID=-250μA | 2 |
| Drain-Source On-State Resistance | RDS(ON) | 45 | 54 | mΩ | VGS=-10V, ID=-4.2A | 2 | |
| Drain-Source On-State Resistance | RDS(ON) | 53 | 64 | mΩ | VGS=-4.5V, ID=-4A | 2 | |
| Drain-Source On-State Resistance | RDS(ON) | 72 | 88 | mΩ | VGS=-2.5V, ID=-1A | 2 | |
| Drain-Source Breakdown Voltage | BV DSS | -30 | V | VGS=0V, ID=-250μA | 2 | ||
| Zero Gate Voltage Drain Current | DSS | -1 | μA | VDS=-24V, VGS=0V | 2 | ||
| Diode Forward Voltage | VSD | -1.2 | V | VGS=0V, IS=-1A | 2 |
CAD (KiCad official)
- Symbol:
FH3401B - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
fh3401b-etched.step/fh3401b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fh3401b.step/fh3401b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: XIN FEI HONG datasheet (6 pp, sha256
f595c91487349330, retrieved 2026-10-20, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).