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Contents

README

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2SD965ASQ-R

PJSEMI · Bipolar (BJT) · SOT-89

2SD965ASQ-R from PJSEMI, in a SOT-89. 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 Base input Base terminal of the NPN transistor; the datasheet gives no pin-specific limit, only the absolute maximum emitter-base voltage VEBO of 7 V and collector current IC of 5 A.
2 Collector passive Collector terminal of the NPN transistor, rated for VCBO 40 V, VCEO 30 V, collector current IC 5 A and power dissipation PD 750 mW at 25°C ambient.
3 Emitter passive Emitter terminal of the NPN transistor, rated for an emitter-base voltage VEBO of 7 V.

Key specifications

Parameter Value
Manufacturer PJSEMI
Package SOT-89
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
Collector Base Cutoff Current ICBO 0.1 μA at VCB = 10 V 2
Emitter Base Cutoff Current IEBO 0.1 μA at VEB = 7 V 2
Collector Base Breakdown Voltage V(BR)CBO 40 V at IC = 100 μA 2
Collector Emitter Breakdown Voltage V(BR)CEO 30 V at IC = 1 mA 2
Emitter Base Breakdown Voltage V(BR)EBO 7 V at IE = 10 μA 2
Collector Emitter Saturation Voltage VCE(sat) 1 V at IC = 3 A, IB = 0.1 A 2
Collector Output Capacitance Cob 50 pF at VCB = 20 V, IE = 0, f = 1MHz 2
Collector Base Voltage VCBO 40 V 1
Collector Emitter Voltage VCEO 30 V 1
Emitter Base Voltage VEBO 7 V 1
Collector Current IC 5 A 1
Power Dissipation PD 750 mW 1
Junction Temperature TJ 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Maximum Junction-to-Ambient RθJA 167 °C/W 1

CAD (KiCad official)

  • Symbol: 2SD965ASQ-R
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sd965asq-r-etched.step / 2sd965asq-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd965asq-r.step / 2sd965asq-r.glb are the bare package body.

Provenance

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

  • Datasheet: PJSEMI datasheet (4 pp, sha256 9cb51f87e2ee0a0b, retrieved 2026-10-19, 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