component
ASMCJ70CA
Public Made by Adomby adom
PTTC(Polytronics Tech) TVS, DO-214AB. 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
markdownASMCJ70CA
PTTC(Polytronics Tech) · TVS · DO-214AB
ASMCJ70CA from PTTC(Polytronics Tech), in a DO-214AB. 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 | DO-214AB |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (bi-directional, 5% tolerance) | VBR | 77.8 | 86 | V | @ IT = 1 mA | 3 | |
| Maximum reverse leakage current | IR | 1 | A | @ VR = 70 V | 3 | ||
| Maximum clamping voltage | VC | 113 | V | @ IPP = 13.3 A | 3 | ||
| Maximum peak pulse current | IPP | 13.3 | A | 3 | |||
| Peak pulse power dissipation | PPPM | 1500 | Watt | 10/1000 µs waveform (Note 1, Fig.1) | 1 | ||
| Steady state power dissipation | PM(AV) | 6.5 | Watt | TL = 75°C, lead lengths 0.375 in (9.5 mm) (Fig.5) | 1 | ||
| Peak forward surge current | IFSM | 200 | Amp | 8.3 ms single half sine wave (Note 2, Fig.6) | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Reverse stand-off voltage | VR | 70 | V | 2 |
CAD (KiCad official)
- Symbol:
ASMCJ70CA - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB (KiCad packages3D, STEP)
- 3D model files:
asmcj70ca-etched.step/asmcj70ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);asmcj70ca.step/asmcj70ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PTTC(Polytronics Tech) datasheet (6 pp, sha256
c16bc06712e0052d, retrieved 2026-10-25, 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).