component
FH3400B
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
markdownFH3400B
XIN FEI HONG · MOSFETs · SOT-23
FH3400B 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 ±12 V, with threshold VGS(th) 0.6 V min, 0.9 V typ and 1.4 V max at ID=250µA. |
| 2 | S | passive | Source; source terminal of the N-channel MOSFET, with a continuous body-diode forward current limit of 2 A. |
| 3 | D | passive | Drain; drain-source voltage is limited to 30 V, with continuous drain current 5.8 A and pulsed drain current 30 A. |
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 | 5.8 | A | Tj=125℃ | 1 | ||
| Pulsed drain current | IDM | 30 | A | 1 | |||
| Drain-source diode forward current | Is | 2 | A | 1 | |||
| Maximum power dissipation | PD | 1.4 | W | 1 | |||
| Operating junction temperature range | Tj | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction-to-ambient | Rth JA | 100 | ℃/W | 1 | |||
| Drain-source breakdown voltage | BVDSS | 30 | V | VGS=0V, ID=250µA | 2 | ||
| Zero gate voltage drain current | IDSS | 1 | µA | VDS=30V, VGS=0V | 2 | ||
| Gate-body leakage | IGSS | -100 | 100 | nA | VDS=0V, VGS=±12V | 2 | |
| Gate threshold voltage | VGS(th) | 0.6 | 0.9 | 1.4 | V | VDS=VGS, ID=250µA | 2 |
| Drain-source on-state resistance | RDS(ON) | 19 | 26 | mΩ | VGS=10V, ID=4A | 2 | |
| Drain-source on-state resistance | RDS(ON) | 35 | 49 | mΩ | VGS=2.5V, ID=2A | 2 | |
| Drain-source on-state resistance | RDS(ON) | 23 | 32 | mΩ | VGS=4.5V, ID=4A | 2 | |
| Diode forward voltage | VSD | 0.76 | 1.16 | V | VGS=0V, Is=1A | 2 |
CAD (KiCad official)
- Symbol:
FH3400B - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
fh3400b-etched.step/fh3400b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fh3400b.step/fh3400b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: XIN FEI HONG datasheet (6 pp, sha256
52c0ed73228c9369, retrieved 2026-10-19, 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).