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Contents

README

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TM4485

Tritech-MOS · MOSFETs · SOP-8

TM4485 from Tritech-MOS, in a SOP-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 of the P-channel MOSFET, which the datasheet rates for VDSS of -40 V and VGSS of ±25 V.
2 S passive Source of the P-channel MOSFET, which the datasheet rates for VDSS of -40 V and VGSS of ±25 V.
3 S passive Source of the P-channel MOSFET, which the datasheet rates for VDSS of -40 V and VGSS of ±25 V.
4 G input Gate of the P-channel MOSFET, with VGSS rated at ±25 V and VGS(th) of -1.0 V to -2.5 V.
5 D passive Drain of the P-channel MOSFET, rated at -11 A continuous drain current at TA=25°C with VGS=-10 V.
6 D passive Drain of the P-channel MOSFET, rated at -11 A continuous drain current at TA=25°C with VGS=-10 V.
7 D passive Drain of the P-channel MOSFET, rated at -11 A continuous drain current at TA=25°C with VGS=-10 V.
8 D passive Drain of the P-channel MOSFET, rated at -11 A continuous drain current at TA=25°C with VGS=-10 V.

Key specifications

Parameter Value
Manufacturer Tritech-MOS
Package SOP-8
Category Triode/MOS Tube/Transistor
Pins 8

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 -25 25 V 1
Continuous Drain Current ID -11 A TA=25°C, VGS=-10V 1
Continuous Drain Current ID -9 A TA=70°C, VGS=-10V 1
Pulsed Drain Current IDM -15 A 300ms pulse, VGS=-10V 1
Diode Continuous Forward Current IS -3 A 1
Avalanche Current, Single pulse IAS -33 A L=0.1mH 1
Avalanche Energy, Single pulse EAS 54 mJ L=0.1mH 1
Maximum Junction Temperature TJ 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Maximum Power Dissipation PD 3.1 W TA=25°C 1
Maximum Power Dissipation PD 2 W TA=70°C 1
Diode Forward Voltage VSD -0.75 -1 V ISD=-1A, VGS=0V 2
Drain-Source Breakdown Voltage BVDSS -40 V VGS=0V, IDS=-250mA 2
Zero Gate Voltage Drain Current IDSS -1 mA VDS=-32V, VGS=0V 2
Zero Gate Voltage Drain Current IDSS -30 mA VDS=-32V, VGS=0V, TJ=85°C 2
Gate Threshold Voltage VGS(th) -1 -1.5 -2.5 V VDS=VGS, IDS=-250mA 2
Gate Leakage Current IGSS -100 100 nA VGS=±25V, VDS=0V 2
Drain-Source On-state Resistance RDS(ON) 15 19 mW VGS=-10V, IDS=-11A 2
Drain-Source On-state Resistance RDS(ON) 19.5 22 mW VGS=-4.5V, IDS=-7A 2
Reverse Recovery Time trr 24 ns 2
Reverse Recovery Charge Qrr 18 nC ISD=-11A, dlSD/dt=100A/ms 2
Gate Resistance RG 2.3 W VGS=0V, VDS=0V, F=1MHz 2
Input Capacitance Ciss 1500 pF 2
Output Capacitance Coss 235 pF 2
Reverse Transfer Capacitance Crss 180 pF VGS=0V, VDS=-20V, Frequency=1.0MHz 2
Turn-on Delay Time td(ON) 14 ns 2
Turn-on Rise Time tr 12 ns 2
Turn-off Delay Time td(OFF) 41 ns 2
Turn-off Fall Time tf 22 ns VDD=-20V, RL=20W, IDS=-1A, VGEN=-10V, RG=6W 2
Total Gate Charge Qg 32 nC 2
Gate-Source Charge Qgs 5.2 nC 2
Gate-Drain Charge Qgd 8 nC VDS=-20V, VGS=-10V, IDS=-11A 2
Thermal Resistance Junction to Ambient RqJA 40 °C/W t ≤ 10s 1
Thermal Resistance Junction to Ambient RqJA 75 °C/W Steady State 1
Thermal Resistance Junction to Lead RqJL 24 °C/W Steady State 1

CAD (KiCad official)

  • Symbol: TM4485
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: tm4485-etched.step / tm4485-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tm4485.step / tm4485.glb are the bare package body.

Provenance

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

  • Datasheet: Tritech-MOS datasheet (7 pp, sha256 27008688fede9e2b, retrieved 2026-11-04, 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