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Contents

README

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ASDM40N80Q-R

ASDsemi · MOSFETs · DFN5x6-8

ASDM40N80Q-R from ASDsemi, in a DFN5x6-8. 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 S passive Source pin 1 of the N-channel MOSFET, tied with pins 2 and 3 (Source Pin1-3); pin 1 is marked by the dot.
2 S passive Source pin 2 of the N-channel MOSFET, tied with pins 1 and 3 (Source Pin1-3).
3 S passive Source pin 3 of the N-channel MOSFET, tied with pins 1 and 2 (Source Pin1-3).
4 G input Gate of the N-channel MOSFET, with a maximum gate-source voltage of ±20 V.
5 D passive Drain pin 5, tied with pins 6-8 (Drain Pin5-8); drain-source voltage is rated 40 V.
6 D passive Drain pin 6, tied with pins 5, 7 and 8 (Drain Pin5-8); drain-source voltage is rated 40 V.
7 D passive Drain pin 7, tied with pins 5, 6 and 8 (Drain Pin5-8); drain-source voltage is rated 40 V.
8 D passive Drain pin 8, tied with pins 5-7 (Drain Pin5-8); drain-source voltage is rated 40 V.
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer ASDsemi
Package DFN5x6-8
Category Transistors/Thyristors
Pins 9

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
Continuous Drain Current ID 80 A TC=25°C 1
Continuous Drain Current ID 51 A TC=100°C 1
Continuous Drain Current ID 25 A TA=25°C 1
Continuous Drain Current ID 19 A TA=70°C 1
Diode Continuous Forward Current IS 50 A TC=25°C 1
300μs Pulse Drain Current Tested IDP 320 A TC=25°C 1
Maximum Power Dissipation PD 65 W TC=25°C 1
Maximum Power Dissipation PD 26 W TC=100°C 1
Maximum Power Dissipation PD 4.2 W TA=25°C 1
Maximum Power Dissipation PD 2.7 W TA=70°C 1
Maximum Junction Temperature TJ 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Thermal Resistance-Junction to Case RθJC 1.92 °C/W 2
Thermal Resistance-Junction to Ambient RθJA 30 °C/W Mounted on 1 inch square copper board, t≤10sec 2
Avalanche Energy, Single Pulsed EAS 121 mJ Limited by TJmax, IAS=22A, VDD=24V, RG=50Ω, starting TJ=25°C 2
Drain-Source Breakdown Voltage BVDSS 40 V VGS=0V, IDS=250µA 2
Zero Gate Voltage Drain Current IDSS 1 µA VDS=40V, VGS=0V 2
Zero Gate Voltage Drain Current IDSS 30 µA TJ=125°C, VDS=40V, VGS=0V 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
Drain-Source On-state Resistance RDS(ON) 4.5 5.5 mΩ VGS=4.5V, IDS=35A 2
Drain-Source On-state Resistance RDS(ON) 3.5 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 1560 pF VGS=0V, VDS=20V, Frequency=1.0MHz 2
Output Capacitance Coss 780 pF VGS=0V, VDS=20V, Frequency=1.0MHz 2
Reverse Transfer Capacitance Crss 80 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: ASDM40N80Q-R
  • Footprint: Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm
  • 3D model: DFN5x6-8 (KiCad packages3D, STEP)
  • 3D model files: asdm40n80q-r-etched.step / asdm40n80q-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); asdm40n80q-r.step / asdm40n80q-r.glb are the bare package body.

Provenance

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

  • Datasheet: ASDsemi datasheet (9 pp, sha256 70ffe98961d54bf0, retrieved 2026-10-09, 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