component
K150SA
Public Made by Adomby adom
WEIDA Trigger Diodes, SMA(DO-214AC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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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Contents
README
markdownK150SA
WEIDA · Trigger Diodes · SMA(DO-214AC)
K150SA from WEIDA, in a SMA(DO-214AC). 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WEIDA |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakover voltage (VBO) typical | VBO | 155 | V | Note 1: measured at 25℃ ambient | 1 | ||
| On-state voltage | VT | 4 | V | IT = 1.0 A | 1 | ||
| Breakover current | IBO | 500 | μA | 1 | |||
| Repetitive peak off-state current | IDRM | 1 | μA | 1 | |||
| Holding current | IH | 50 | mA | 1 | |||
| Operating junction temperature | TJ | 125 | ℃ | 1 | |||
| Storage temperature range | TS | -40 | 125 | ℃ | 1 | ||
| Junction to ambient thermal resistance | RθJA | 85 | ℃/W | Junction to ambient on printed circuit board | 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 | Unit: inch (mm) ● Lead: Pure tin plated, lead free ● Mounting Position : Any Electrical Parameters | 1 |
CAD (KiCad official)
- Symbol:
K150SA - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
k150sa-etched.step/k150sa-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);k150sa.step/k150sa.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WEIDA datasheet (2 pp, sha256
89e060a2c81e76c5, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).