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Contents

README

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SS320BQ

Yangzhou Yangjie Elec Tech · Schottky Barrier Diodes (SBD) · SMB(DO-214AA)

SS320BQ from Yangzhou Yangjie Elec Tech, in a SMB(DO-214AA). 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 K passive Cathode terminal, marked by the cathode line on the package; rated for VRRM 200 V (SS320BQ) and 3.0 A average forward current.
2 A passive Anode terminal, the end opposite the cathode line; forward voltage max 0.9 V at IF=3A, TJ=25℃.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SMB(DO-214AA)
Category Diodes
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Instantaneous forward voltage VF 0.81 0.9 V IF=3A, TJ=25℃ 1
Instantaneous forward voltage VF 0.68 0.75 V IF=3A, TJ=125℃ 1
Reverse current IR 1 μA Rated VR, TJ=25℃ 1
Reverse current IR 150 μA Rated VR, TJ=125℃ 1
Repetitive peak reverse voltage VRRM 200 V Ta=25℃ 1
Maximum RMS voltage VRMS 140 V Ta=25℃ 1
Maximum DC blocking voltage VDC 200 V Ta=25℃ 1
Maximum average forward rectified current IO 3 A at TL (Fig.1) 1
Surge (non-repetitive) forward current IFSM 80 A @60Hz half-sine wave, 1 cycle, TJ=25℃ 1
Voltage rate of change dV/dt 10000 V/μs rated VR 1
Storage temperature Tstg -55 175 ℃ 1
Junction temperature TJ -55 175 ℃ Junction temperature and storage temperature 1
Typical junction capacitance CJ 60 pF VR=4V, f=1MHz 1

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: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: SS320BQ
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: ss320bq-etched.step / ss320bq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ss320bq.step / ss320bq.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (4 pp, sha256 00675035cc673378, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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