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Contents

README

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BL3401

GME(银河微电) · MOSFETs · SOT-23

BL3401 from GME(银河微电), in a SOT-23. 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; controls the P-channel MOSFET, with VGS limited to ±12 V and threshold VGS(TH) of -0.7 to -1.3 V at ID = -250uA.
2 S passive Source; current path terminal of the P-channel MOSFET, with body diode forward voltage of -1 V max at ID = -1A.
3 D passive Drain; VDSS of -30 V, continuous ID of -4.2 A and pulsed IDM of -16 A.

Key specifications

Parameter Value
Manufacturer GME(银河微电)
Package SOT-23
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-to-Source Voltage VDSS -30 V 1
Gate-to-Source Voltage VGSS -12 12 V 1
Continuous Drain Current ID -4.2 A 1
Pulsed Drain Current IDM -16 A 1
Power Dissipation PD 1.25 W 1
Thermal Resistance Junction-to-Air RθJA 100 °C/W 1
Thermal Resistance Junction-to-Lead RθJL 60 °C/W 1
Thermal Resistance Junction-to-Case RθJC 50 °C/W 1
Operating Junction Temperature Range TJ -55 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Drain-Source Breakdown Voltage VDSS -30 V VGS = 0V, ID = -250μA 2
Zero Gate Voltage Drain Current IDSS -1000 nA VDS = -20V, VGS = 0V 2
Gate-Body Leakage Current IGSS -100 100 nA VGS = ±12V, VDS = 0V 2
Static Drain-Source On-resistance RDS(ON) 39 50 mΩ VGS = -10V, ID = -4.2A 2
Static Drain-Source On-resistance RDS(ON) 54 65 mΩ VGS = -4.5V, ID = -4A 2
Static Drain-Source On-resistance RDS(ON) 73 90 mΩ VGS = -2.5V, ID = -1A 2
Gate Threshold Voltage VGS(TH) -0.7 -1 -1.3 V VDS = VGS, ID = -250uA 2
Diode Forward Voltage VSD -0.8 -1 V ID = -1A, VGS = 0V 2
Input Capacitance CISS 870 pF VGS = 0V, VDS = -15V, f = 1.0MHz 2
Output Capacitance COSS 74 pF 2
Reverse Transfer Capacitance CRSS 10 pF 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminals: Matte tin-plated leads; solderability-per MIL-STD-202, Method 208 SOT-23 1

CAD (KiCad official)

  • Symbol: BL3401
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bl3401-etched.step / bl3401-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bl3401.step / bl3401.glb are the bare package body.

Provenance

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

  • Datasheet: GME(银河微电) datasheet (4 pp, sha256 558ef3f35535c884, 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