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ASDM40N80KQ-R

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

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ASDM40N80KQ-R

ASDsemi · MOSFETs · TO-252

ASDM40N80KQ-R from ASDsemi, 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 limited to ±20 V (VGSS), with threshold of 1 V min to 2.5 V max at VDS=VGS, IDS=250µA.
2 D passive Drain; 40 V maximum drain-source voltage (VDSS) with 80 A continuous drain current at TC=25°C.
3 S passive Source; the 80 A continuous diode forward current (IS) at TC=25°C flows through the body diode from source to drain.

Key specifications

Parameter Value
Manufacturer ASDsemi
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 VDSS 40 V 1
Gate-Source Voltage VGSS -20 20 V 1
Maximum Junction Temperature TJ 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Continuous Drain Current@TC ID 80 A TC=25°C (VGS=10V) 1
Continuous Drain Current@TC ID 51 A TC=100°C (VGS=10V) 1
Continuous Drain Current@TA ID 25 A TA=25°C (VGS=10V), footnote ③ 1
Continuous Drain Current@TA ID 19 A TA=70°C (VGS=10V), footnote ③ 1
Diode Continuous Forward Current IS 80 A TC=25°C 1
Pulsed Drain Current IDP 320 A TC=25°C, 300µs pulse (footnote ①) 1
Maximum Power Dissipation@TC PD 65 W TC=25°C 1
Maximum Power Dissipation@TC PD 26 W TC=100°C 1
Maximum Power Dissipation@TA PD 4.2 W TA=25°C, footnote ③ 1
Maximum Power Dissipation@TA PD 2.7 W TA=70°C, footnote ③ 1
Avalanche Energy, Single Pulsed EAS 121 mJ Single pulsed (footnote ④) 1
Thermal Resistance-Junction to Case RJC 2.4 °C/W 1
Thermal Resistance-Junction to Ambient RJA 62 °C/W footnote ③ (mounted on large heat sink) 1
Drain-Source Breakdown Voltage BVDSS 40 V VGS=0V, IDS=250µA 2
Gate Threshold Voltage VGS(th) 1 2.5 V VDS=VGS, IDS=250µA 2
Gate Leakage Current IGSS -100 100 nA VGS=±20V, VDS=0V 2
Zero Gate Voltage Drain Current IDSS 1 µA VDS=40V, VGS=0V 2
Zero Gate Voltage Drain Current IDSS 30 µA VDS=40V, VGS=0V, TJ=125°C 2
Drain-Source On-state Resistance RDS(ON) 5.5 6 mΩ VGS=4.5V, IDS=35A 2
Drain-Source On-state Resistance RDS(ON) 4 4.5 mΩ VGS=10V, IDS=50A 2
Diode Forward Voltage VSD 1.2 V ISD=50A, VGS=0V 2
Reverse Recovery Time trr 18 ns ISD=50A, dlSD/dt=100A/µs 2
Reverse Recovery Charge Qrr 29 nC ISD=50A, dlSD/dt=100A/µs 2
Gate Resistance RG 1.3 Ω VGS=0V, VDS=0V, F=1MHz 2
Input Capacitance Ciss 3027 pF VGS=0V, VDS=20V, Frequency=1.0MHz 2
Output Capacitance Coss 1513 pF VGS=0V, VDS=20V, Frequency=1.0MHz 2
Reverse Transfer Capacitance Crss 155 pF VGS=0V, VDS=20V, Frequency=1.0MHz 2
Turn-on Delay Time td(ON) 13 ns VDD=20V, IDS=50A, VGEN=10V, RG=4.7Ω 2
Turn-on Rise Time tr 21 ns VDD=20V, IDS=50A, VGEN=10V, RG=4.7Ω 2
Turn-off Delay Time td(OFF) 29 ns VDD=20V, IDS=50A, VGEN=10V, RG=4.7Ω 2
Turn-off Fall Time tf 9 ns VDD=20V, IDS=50A, VGEN=10V, RG=4.7Ω 2
Total Gate Charge Qg 29 nC VDS=32V, VGS=10V, IDS=50A 2
Gate-Source Charge Qgs 5 nC VDS=32V, VGS=10V, IDS=50A 2
Gate-Drain Charge Qgd 9 nC VDS=32V, VGS=10V, IDS=50A 2

CAD (KiCad official)

  • Symbol: ASDM40N80KQ-R
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: asdm40n80kq-r-etched.step / asdm40n80kq-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); asdm40n80kq-r.step / asdm40n80kq-r.glb are the bare package body.

Provenance

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

  • Datasheet: ASDsemi datasheet (8 pp, sha256 b767df999793fc7c, retrieved 2026-10-19, 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