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Ray Publish 0.1.0 2d1ae92 8d ago

P0300SB

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

P0300SB 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 min 25 V, VS max 40 V at 100 kV/s and IPP 300 A (8x20us) for P0300SB.
2 T2 passive Terminal 2 of the bidirectional thyristor surge suppressor, with IDRM max 5 uA, IT 2.2 A and IH of at least 50 mA for P0300SB.

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 1
Repetitive Peak Off-State Current IDRM 5 uA 1
Switching Voltage VS 40 V VS measured at 100KV/S 1
Switching Current IS 800 mA 1
On-State Voltage VT 2.2 V 1
Holding Current IH 50 mA 1
Off-State Capacitance CO 80 pF VDC=2V, VRMS=1V, F=1MHz 1
Peak Pulse Current 2x10us IPP 300 A 2x10us 1
Peak Pulse Current 8x20us IPP 300 A 8x20us 1
Peak Pulse Voltage 10x700us VPP 4000 V 10x700us 1
Peak Pulse Current 10x560us IPP 100 A 10x560us 1
Peak Pulse Current 10x1000us IPP 80 A 10x1000us 1
Non-Repetitive Surge Current ITSM 32 A 60Hz 1
Critical Rate of Rise of On-State Current di/dt 500 A/us 1
Operating Junction Temperature TJ -40 150 ℃ 2
Storage Temperature Range TS -40 150 ℃ 2
Thermal Resistance Junction to Ambient RθJA 90 ℃/W Junction to Ambient on printed circuit 2

CAD (KiCad official)

  • Symbol: P0300SB
  • Footprint: Diode_SMD:D_SMB
  • 3D model: DO-214AA (KiCad packages3D, STEP)
  • 3D model files: p0300sb-etched.step / p0300sb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); p0300sb.step / p0300sb.glb are the bare package body.

Provenance

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

  • Datasheet: SEMIWARE datasheet (5 pp, sha256 269058bb8a9c95ec, retrieved 2026-10-22, 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