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Contents

README

markdown

BSS84WQ-7-F

Diodes Incorporated · MOSFETs · SOT-323

BSS84WQ-7-F from Diodes Incorporated, in a SOT-323. 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 channel, with VGS(TH) of -0.8 to -2.0 V at ID = -1 mA and a maximum continuous VGSS of 20 V.
2 S passive Source terminal of the P-channel MOSFET; the drain-source voltage rating is -50 V.
3 D passive Drain terminal; continuous drain current is -130 mA and drain-source voltage is -50 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-323
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 -50 V 2
Drain-Gate Voltage VDGR -50 V Note 5 2
Gate-Source Voltage Continuous VGSS 20 V 2
Drain Current Continuous ID -130 mA Note 5 2
Pulsed Drain Current IDM -1 A Note 5 2
Total Power Dissipation PD 200 mW Note 5 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Drain-Source Breakdown Voltage BVDSS -50 -75 V VGS = 0V, ID = -250µA 2
Zero Gate Voltage Drain Current IDSS -1 µA VDS = -50V, VGS = 0V, TJ = +25°C 2
Zero Gate Voltage Drain Current IDSS -2 µA VDS = -50V, VGS = 0V, TJ = +125°C 2
Zero Gate Voltage Drain Current IDSS -100 nA VDS = -25V, VGS = 0V, TJ = +25°C 2
Gate-Body Leakage IGSS 10 nA VGS = 20V, VDS = 0V 2
Gate Threshold Voltage VGS(TH) -0.8 -1.6 -2 V VDS = VGS, ID = -1mA 2
Static Drain-Source On-Resistance RDS(ON) 6 10 Ω VGS = -5V, ID = -0.1A 2
Forward Transconductance gFS 0.05 S VDS = -25V, ID = -0.1A 2
Input Capacitance Ciss 45 pF VDS = -25V, VGS = 0V, f = 1.0MHz 2
Output Capacitance Coss 25 pF VDS = -25V, VGS = 0V, f = 1.0MHz 2
Reverse Transfer Capacitance Crss 12 pF VDS = -25V, VGS = 0V, f = 1.0MHz 2
Thermal Resistance, Junction to Ambient RθJA 625 °C/W 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: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish Annealed over Alloy 42 1

CAD (KiCad official)

  • Symbol: BSS84WQ-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: bss84wq-7-f-etched.step / bss84wq-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bss84wq-7-f.step / bss84wq-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 b5fdb3ae6e7af335, 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