component
P0300SB
Public Made by Adomby adom
SEMIWARE Thyristor Surge Suppressors (TSS), DO-214AA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownP0300SB
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p0300sb.step/p0300sb.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).