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HKTD4N50

Guangdong Hottech · MOSFETs · TO-252

HKTD4N50 from Guangdong Hottech, 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; gate-source voltage limit is ±30 V, with threshold VGS(th) of 2.0 to 4.0 V at VDS = VGS, ID = 250µA.
2 D passive Drain (center lead, also connected to the tab); VDS max 500 V, continuous ID 5 A and pulsed IDM 20 A.
3 S passive Source; the body diode continuous current is 5 A and pulsed 20 A.

Key specifications

Parameter Value
Manufacturer Guangdong Hottech
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 Breakdown Voltage V(BR)DSS 500 V VGS = 0V, ID = 250µA 2
Gate-Source Leakage IGSS 100 nA VGS = ±30V 2
Gate-Source Threshold Voltage VGS(th) 2 4 V VDS = VGS, ID = 250µA 2
Drain-Source On-Resistance RDS(on) 1.45 1.7 Ω VGS = 10V, ID =1A 2
Continuous Body Diode Current IS 5 A TC = 25 ºC 2
Pulsed Diode Forward Current ISM 20 A 2
Body Diode Voltage VSD 0.9 V TJ = 25ºC, ISD = 1.0A, VGS = 0V 2
Drain-source voltage VDS 500 V 1
Gate-source voltage VGS -30 30 V 1
Continuous drain current ID 5 A VGS=10V 1
Pulsed drain current IDM 20 A 1
Power dissipation PD 22 W 1
Thermal resistance from junction to ambient RθJA 100 °C/W 1
Operating junction and storage temperature TJ,TSTG -55 150 °C 1
Single Pulsed Avalanche Energy EAS 10 mJ VDD=20V, L=0.5mH, RG=25Ω, Starting TJ = 25°C 1
Lead Temperature for Soldering Purposes TL 260 °C 1/8'' from case for 10s 1

CAD (KiCad official)

  • Symbol: HKTD4N50
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: hktd4n50-etched.step / hktd4n50-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hktd4n50.step / hktd4n50.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Guangdong Hottech datasheet (5 pp, sha256 73a15e6c61edc7c0, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF