component
FH1908B
Public Made by Adomby adom
XIN FEI HONG MOSFETs, TO-263. 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
markdownFH1908B
XIN FEI HONG · MOSFETs · TO-263
FH1908B from XIN FEI HONG, in a TO-263. 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 ±20 V. |
| 2 | D | passive | Drain (center pin, shown shortened, and connected to the tab); VDS is 80 V and continuous ID is 85 A. |
| 3 | S | passive | Source; continuous diode forward current IS is 85 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | XIN FEI HONG |
| Package | TO-263 |
| 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 | 80 | V | TA=25℃ | 1 | ||
| Gate-Source Voltage | VGS | -20 | 20 | V | TA=25℃ | 1 | |
| Drain Current-Continuous | ID | 85 | A | TA=25℃ | 1 | ||
| Drain Current-Continuous (TC=100℃) | ID (100℃) | 62 | A | TC=100℃ | 1 | ||
| Pulsed Drain Current | IDM | 340 | A | 1 | |||
| Maximum Power Dissipation | PD | 175 | W | TA=25℃ | 1 | ||
| Peak diode recovery voltage dv/dt | dv/dt | 15 | V/ns | 1 | |||
| Derating factor | 1.13 | W/℃ | 1 | ||||
| Single pulse avalanche energy | EAS | 580 | mJ | Tj=25℃,VDD=50V,VG=10V,L=0.5mH, ID=62A | 1 | ||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 175 | ℃ | 1 | ||
| Drain-Source Breakdown Voltage | BVDSS | 80 | V | VGS=0V ID=250μA | 2 | ||
| Zero Gate Voltage Drain Current | IDSS | 1 | μA | VDS=60V,VGS=0V | 2 | ||
| Gate-Body Leakage Current | IGSS | -100 | 100 | nA | VGS=±20V,VDS=0V | 2 | |
| Gate Threshold Voltage | VGS(th) | 2 | 3 | 4 | V | VDS=VGS,ID=250μA | 2 |
| Drain-Source On-State Resistance | RDS(ON) | 6.2 | 7.8 | mΩ | VGS=10V, ID=30A | 2 | |
| Forward Transconductance | gFS | 60 | S | VDS=5V,ID=30A | 2 | ||
| Input Capacitance | CIss | 4030 | PF | VDS=25V,VGS=0V, F=1.0MHz | 2 | ||
| Output Capacitance | Coss | 348 | PF | VDS=25V,VGS=0V, F=1.0MHz | 2 | ||
| Reverse Transfer Capacitance | Crss | 290 | PF | VDS=25V,VGS=0V, F=1.0MHz | 2 | ||
| Turn-on Delay Time | td(on) | 17.8 | nS | VDD=30V,ID=2A,RL=15Ω,VGS=10V,RG=2.5Ω | 2 | ||
| Turn-on Rise Time | tr | 11.8 | nS | VDD=30V,ID=2A,RL=15Ω,VGS=10V,RG=2.5Ω | 2 | ||
| Turn-Off Delay Time | td(off) | 56 | nS | VDD=30V,ID=2A,RL=15Ω,VGS=10V,RG=2.5Ω | 2 | ||
| Turn-Off Fall Time | tf | 14.6 | nS | VDD=30V,ID=2A,RL=15Ω,VGS=10V,RG=2.5Ω | 2 | ||
| Total Gate Charge | Qg | 100 | nC | VDS=30V,ID=30A, VGS=10V | 2 | ||
| Gate-Source Charge | Qgs | 20 | nC | VDS=30V,ID=30A, VGS=10V | 2 | ||
| Gate-Drain Charge | Qgd | 30 | nC | VDS=30V,ID=30A, VGS=10V | 2 | ||
| Diode Forward Voltage | VSD | 1.2 | V | VGS=0V,IS=40A | 2 | ||
| Diode Forward Current | IS | 85 | A | 2 | |||
| Reverse Recovery Time | trr | 36 | nS | Tj=25℃,ISD=40A,VGS=0V | 2 | ||
| Reverse Recovery Charge | Qrr | 56 | nC | Tj=25℃,IF=75A,di/dt=100A/μs | 2 | ||
| Thermal Resistance, Junction-to-Case | RθJc | 0.88 | ℃/W | Note 2 | 2 |
CAD (KiCad official)
- Symbol:
FH1908B - Footprint:
Package_TO_SOT_SMD:TO-263-2 - 3D model: TO-263 (KiCad packages3D, STEP)
- 3D model files:
fh1908b-etched.step/fh1908b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fh1908b.step/fh1908b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: XIN FEI HONG datasheet (6 pp, sha256
472ab7eacf9c14e9, retrieved 2026-10-23, 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).