component
FDD6637
Public Made by Adomby adom
UMW MOSFETs, TO-252. 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
markdownFDD6637
UMW · MOSFETs · TO-252
FDD6637 from UMW, in a TO-252. 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 of the -30 V P-channel MOSFET; the datasheet gives the gate-source voltage limit VGSS as ±25 V. |
| 2 | D | passive | DRAIN terminal; the datasheet rates drain-source voltage VDSS at -30 V and continuous drain current at -55 A (TC=25°C) or -13 A (TA=25°C). |
| 3 | S | passive | SOURCE terminal; the datasheet gives no separate pin-level limit, with the device VDSS at -30 V and VGSS at ±25 V applying across the source. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| Package | TO-252 |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Avalanche Energy (Single Pulse) | EAS | 61 | mJ | VDD=-35V, ID=-11A, L=1mH | 3 | ||
| Drain-Source Avalanche Current | IAS | -14 | A | 3 | |||
| Drain-Source Breakdown Voltage | BVDSS | -30 | V | VGS=0V, ID=-250µA | 3 | ||
| Zero Gate Voltage Drain Current | IDSS | -1 | µA | VDS=-28V, VGS=0V | 3 | ||
| Gate-Body Leakage | IGSS | -100 | 100 | nA | VGS=±25V, VDS=0V | 3 | |
| Gate Threshold Voltage | VGS(th) | -1 | 1.6 | -3 | V | VDS=VGS, ID=-250µA | 3 |
| Static Drain-Source On-Resistance (VGS=-10V) | RDS(ON) | 9.7 | 11.6 | mΩ | VGS=-10V, ID=-14A | 3 | |
| Static Drain-Source On-Resistance (VGS=-4.5V) | RDS(ON) | 14.4 | 18 | mΩ | VGS=-4.5V, ID=-11A | 3 | |
| Turn-On Delay Time | tD(on) | 18 | 32 | ns | VDD=-20V, ID=-1A, VGS=-10V, RGEN=6Ω | 3 | |
| Turn-On Rise Time | tr | 10 | 20 | ns | VDD=-20V, ID=-1A, VGS=-10V, RGEN=6Ω | 3 | |
| Turn-Off Delay Time | tD(off) | 62 | 100 | ns | VDD=-20V, ID=-1A, VGS=-10V, RGEN=6Ω | 3 | |
| Turn-Off Fall Time | tf | 36 | 58 | ns | VDD=-20V, ID=-1A, VGS=-10V, RGEN=6Ω | 3 | |
| Total Gate Charge, VGS = -10V | Qg | 45 | 63 | nC | VDS=-20V, ID=-14A | 3 | |
| Total Gate Charge, VGS = -5V | Qg | 25 | 35 | nC | VDS=-20V, ID=-14A | 3 | |
| Drain-Source Diode Forward Voltage | VSD | -0.8 | -1.2 | V | VGS=0V, IS=-14A (Note 2) | 3 | |
| Drain-Source Voltage | VDSS | -30 | V | TA=25°C | 1 | ||
| Drain-Source Avalanche Voltage (maximum) (Note 4) | VDS(Avalanche) | -40 | V | TA=25°C | 1 | ||
| Gate-Source Voltage | VGSS | -25 | 25 | V | TA=25°C | 1 | |
| Continuous Drain Current | ID | -55 | A | TC=25°C (Note 3) | 1 | ||
| Continuous Drain Current | ID | -13 | A | TA=25°C (Note 1a) | 1 | ||
| Pulsed Drain Current | ID | -100 | A | Pulsed (Note 1a) | 1 | ||
| Power Dissipation | PD | 57 | W | TC=25°C (Note 3) | 1 | ||
| Power Dissipation | PD | 3.1 | W | TA=25°C (Note 1a) | 1 | ||
| Power Dissipation | PD | 1.3 | W | TA=25°C (Note 1b) | 1 | ||
| Operating and Storage Junction Temperature Range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Thermal Resistance, Junction-to-Case | RθJC | 2.2 | °C/W | Note 1 | 2 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 40 | °C/W | Note 1a: mounted on 1 in² pad of 2oz copper | 2 | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 96 | °C/W | Note 1b: mounted on minimum pad | 2 |
CAD (KiCad official)
- Symbol:
FDD6637 - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files:
fdd6637-etched.step/fdd6637-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fdd6637.step/fdd6637.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (11 pp, sha256
f746540cab151b09, 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).