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WTM18N20VD
Public Made by Adomby adom
WPMtek(Wei Pan Microelectronics) MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
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PCB Footprint
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Datasheet
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README
markdownWTM18N20VD
WPMtek(Wei Pan Microelectronics) · MOSFETs · TO-252
WTM18N20VD from WPMtek(Wei Pan Microelectronics), 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 | Gate | input | Gate of the N-channel MOSFET; gate-source voltage is rated at ±30V and gate threshold voltage VGS(TH) is 2.0 to 4.0V. |
| 2 | Drain | passive | Drain of the N-channel MOSFET; drain-source voltage is rated at 200V with a continuous drain current of 18A at Tc=25°C. |
| 3 | Source | passive | Source of the N-channel MOSFET; body-diode continuous current is rated at 18A and pulsed current at 72A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WPMtek(Wei Pan Microelectronics) |
| 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 Voltage | VDS | 200 | V | 1 | |||
| Gate-Source Voltage | VGS | -30 | 30 | V | 1 | ||
| Continuous Drain Current | ID | 18 | A | Tc=25°C | 1 | ||
| Continuous Drain Current | ID | 13.6 | A | Tc=100°C | 1 | ||
| Pulsed Drain Current | IDM | 72 | A | Note 2 (repetitive rating) | 1 | ||
| Peak Diode Recovery dv/dt | dv/dt | 2.1 | V/ns | Note 4 | 1 | ||
| Operation Junction and Storage Temperature | Tj, stg | -55 | 150 | °C | 1 | ||
| Junction to Ambient Thermal Resistance | RthJA | 62.5 | °C/W | 1 | |||
| Junction to Case Thermal Resistance | RthJC | 2 | °C/W | 1 | |||
| Drain-Source Breakdown Voltage | BVDSS | 200 | V | VGS=0V,ID=250uA | 2 | ||
| Gate-Source Leakage Current (forward) | IGSS | 100 | nA | VGS=30V,VDS=0V | 2 | ||
| Gate-Source Leakage Current (reverse) | IGSS | -100 | nA | VGS=-30V,VDS=0V | 2 | ||
| Drain-Source Leakage Current | IDSS | 1 | uA | VDS=200V,VGS=0V | 2 | ||
| Static Drain-Source On-State Resistance | RDS(ON) | 0.16 | 0.2 | Ω | VGS=10V,ID=9A | 2 | |
| Gate Threshold Voltage | VGS(TH) | 2 | 4 | V | VDS=VGS,ID=250uA | 2 | |
| Input Capacitance | CISS | 1230 | pF | VDS=25V,VGS=0V,f=1.0MHz | 2 | ||
| Output Capacitance | COSS | 154 | pF | VDS=25V,VGS=0V,f=1.0MHz | 2 | ||
| Reverse Transfer Capacitance | CRSS | 6.6 | pF | VDS=25V,VGS=0V,f=1.0MHz | 2 | ||
| Total Gate Charge | QG | 31 | nC | VDS=160V,VGS=10V,ID=18A,IG=1mA (NOTE1,2) | 2 | ||
| Gate-Drain Charge | QGD | 16.5 | nC | VDS=160V,VGS=10V,ID=18A,IG=1mA (NOTE1,2) | 2 | ||
| Gate-Source Charge | QGS | 3.3 | nC | VDS=160V,VGS=10V,ID=18A,IG=1mA (NOTE1,2) | 2 | ||
| Turn-On Delay Time | tD(ON) | 35 | ns | VDS=100V,VGS=10V,ID=18A,RG=20Ω (NOTE1,2) | 2 | ||
| Turn-Off Delay Time | tD(OFF) | 150 | ns | VDS=100V,VGS=10V,ID=18A,RG=20Ω (NOTE1,2) | 2 | ||
| Turn-On Rise Time | tR | 20 | ns | VDS=100V,VGS=10V,ID=18A,RG=20Ω (NOTE1,2) | 2 | ||
| Turn-Off Fall Time | tF | 36 | ns | VDS=100V,VGS=10V,ID=18A,RG=20Ω (NOTE1,2) | 2 | ||
| Maximum Body-Diode Continuous Current | IS | 18 | A | VGS=0V | 2 | ||
| Maximum Body-Diode Pulsed Current | ISM | 72 | A | 2 | |||
| Drain-Source Diode Forward Voltage | VSD | 1.4 | V | IS=18A,VGS=0V | 2 | ||
| Reverse Recovery Time | trr | 370 | ns | IF=18A,di/dt=100A/us | 2 | ||
| Reverse Recovery Charge | Qrr | 0.95 | uC | IF=18A,di/dt=100A/us | 2 |
CAD (KiCad official)
- Symbol:
WTM18N20VD - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files:
wtm18n20vd-etched.step/wtm18n20vd-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wtm18n20vd.step/wtm18n20vd.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WPMtek(Wei Pan Microelectronics) datasheet (8 pp, sha256
48855a569265d132, retrieved 2026-10-27, 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).