component
ASMBJ24CA
Public Made by Adomby adom
PTTC Polytronics Tech ESD And Surge Protection (TVS/ESD), SMB(DO-214AA). 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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README
markdownASMBJ24CA
PTTC Polytronics Tech · ESD And Surge Protection (TVS/ESD) · SMB(DO-214AA)
ASMBJ24CA from PTTC Polytronics 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PTTC Polytronics Tech |
| Package | SMB(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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power Dissipation on 10/1000s waveform | PPPM | 600 | Watt | 10/1000s waveform (Note 1, Fig.1) | 1 | ||
| Breakdown Voltage | VBR | 26.7 | 29.5 | V | @ IT; test current IT = 1 mA | 2 | |
| Breakdown voltage tolerance (VBR, no A suffix) | -10 | 10 | % | Blank VBR tolerance suffix = 10% | 1 | ||
| Reverse Stand-Off Voltage | VR | 24 | V | 2 | |||
| Maximum Clamping Voltage | VC | 38.9 | V | @ IPP = 15.5 A | 2 | ||
| Maximum Peak Pulse Current | IPP | 15.5 | A | 2 | |||
| Maximum Reverse Leakage | IR | 1 | A | @ VR | 2 | ||
| Steady State Power Dissipation | PM(AV) | 5 | Watt | TL = 75°C, lead lengths 0.375 in (9.5mm) (Fig.5) | 1 | ||
| Peak Forward Surge Current | IFSM | 100 | Amp | 8.3 ms single half sine wave superimposed on rated load (Note 2, Fig.6) | 1 | ||
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
ASMBJ24CA - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
asmbj24ca-etched.step/asmbj24ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);asmbj24ca.step/asmbj24ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PTTC Polytronics Tech datasheet (6 pp, sha256
b85798a40e48d412, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band 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).