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P0300SC

SEMIWARE · Thyristor Surge Suppressors (TSS) · DO-214AA

P0300SC from SEMIWARE, in a 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 T1 passive Terminal 1 of the bidirectional thyristor surge suppressor, with VDRM 25V min, IDRM 5uA max and VS 40V max for P0300SC.
2 T2 passive Terminal 2 of the bidirectional thyristor surge suppressor, interchangeable with terminal 1, with IPP 500A (2x10us) and ITSM 30A (60Hz) series ratings.

Key specifications

Parameter Value
Manufacturer SEMIWARE
Package DO-214AA
Category Circuit Protection
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
Repetitive peak off-state voltage VDRM 25 V Table header: @ T=25 °C ambient 1
Off-state current IDRM 5 uA Table header: @ T=25 °C ambient 1
VS VS 40 V Vs is measured at 100KV/S (as printed); @ T=25 °C ambient 1
IS IS 800 mA Table header: @ T=25 °C ambient 1
VT VT 2.2 V @ T=25 °C ambient 1
IH IH 50 mA @ T=25 °C ambient 1
Off-state capacitance CO 80 pF V=2V, V=1V, F=1MHz DC RMS (as printed); @ T=25 °C ambient 1
Peak pulse current, 2x10us IPP 500 A Surge rating, waveform 2x10us; series-wide value 1
Peak pulse current, 8x20us IPP 400 A Surge rating, waveform 8x20us; series-wide value 1
Peak pulse voltage, 10x700us VPP 6000 V Surge rating, waveform 10x700us; series-wide value 1
Peak pulse current, 10x560us IPP 150 A Surge rating, waveform 10x560us; series-wide value 1
Peak pulse current, 10x1000us IPP 100 A Surge rating, waveform 10x1000us; series-wide value 1
On-state surge current, 60Hz ITSM 30 A 60Hz; series-wide value 1
Rate of rise of on-state current di/dt 500 A/us Series-wide value 1
Operating junction temperature TJ -40 150 ℃ Operating junction temperature range 2
Storage temperature range TS -40 150 ℃ Storage temperature range 2
Junction to ambient thermal resistance RθJA 90 ℃/W Junction to ambient on printed circuit board 2

CAD (KiCad official)

  • Symbol: P0300SC
  • Footprint: Diode_SMD:D_SMB
  • 3D model: DO-214AA (KiCad packages3D, STEP)
  • 3D model files: p0300sc-etched.step / p0300sc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); p0300sc.step / p0300sc.glb are the bare package body.

Provenance

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

  • Datasheet: SEMIWARE datasheet (5 pp, sha256 8e97753fd9f8e980, retrieved 2026-10-21, 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