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4N65KG-TC-TN3-R

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UTC Unisonic Tech MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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4n65kg-tc-tn3-r-etched.glb Publish 0.1.0 · Ray 9d ago
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4n65kg-tc-tn3-r-hero.glb 4n65kg-tc-tn3-r: hero GLB from the etched model (keeps the MPN mark) · Ray 9d ago
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4N65KG-TC-TN3-R

UTC Unisonic Tech · MOSFETs · TO-252

4N65KG-TC-TN3-R from UTC Unisonic Tech, 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 650 V N-channel power MOSFET; gate-source voltage VGSS is rated ±30 V (absolute maximum).
2 D passive Drain terminal of the MOSFET; drain-source voltage VDSS is rated 650 V and continuous drain current ID is rated 4.0 A at TC = 25°C.
3 S passive Source terminal of the MOSFET; maximum continuous drain-source diode forward current IS is 4.0 A.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
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
Gate Threshold Voltage VGS(TH) 2 4 V VDS = VGS, ID = 250μA 4
Static Drain-Source On-State Resistance RDS(ON) 2.2 2.5 Ω VGS = 10 V, ID = 2.0A 4
Drain-Source Voltage VDSS 650 V TC = 25°C 3
Gate-Source Voltage VGSS -30 30 V TC = 25°C 3
Continuous Drain Current ID 4 A TC = 25°C 3
Pulsed Drain Current IDM 16 A (Note2) 3
Avalanche Energy Single Pulsed EAS 113 mJ Single Pulsed (Note3) 3
Peak Diode Recovery dv/dt dv/dt 3.79 V/ns (Note4) 3
Power Dissipation (TO-251S2/TO-252) PD 50 W TC = 25°C 3
Junction Temperature TJ 150 °C 3
Operating Temperature TOPR -55 150 °C 3
Storage Temperature TSTG -55 150 °C 3
Junction to Ambient (TO-251/TO-251S/TO-251S2/TO-252) θJA 83 °C/W Surface mounted on 1 inch² FR-4 board with 2OZ copper 3
Junction to Case (TO-251/TO-251S/TO-251S2/TO-252) θJC 2.5 °C/W (Note) surface mounted on 1 inch² FR-4 board with 2OZ copper 3

CAD (KiCad official)

  • Symbol: 4N65KG-TC-TN3-R
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: 4n65kg-tc-tn3-r-etched.step / 4n65kg-tc-tn3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 4n65kg-tc-tn3-r.step / 4n65kg-tc-tn3-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (8 pp, sha256 6f6d8452ee17e735, retrieved 2026-10-20, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF