component
ASMAJ8.0CA-HF
Public Made by Adomby adom
Comchip TVS, 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
markdownASMAJ8.0CA-HF
Comchip · TVS · SMA(DO-214AC)
ASMAJ8.0CA-HF from Comchip, 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 fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Comchip |
| Package | SMA(DO-214AC) |
| Category | TVS/Fuse/Board Level 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 (VBR), min/max | VBR | 8.89 | 9.83 | V | IT = 1 mA | 2 | |
| Maximum reverse leakage current | IR | 50 | µA | @ VRWM = 8.0 V | 2 | ||
| Working peak reverse voltage | VRWM | 8 | V | Working peak reverse voltage as printed in the table row for ASMAJ8.0(C)A-HF | 2 | ||
| Maximum surge (peak pulse) current | IPP | 29.4 | A | 10/1000µs waveform (Note 1) | 2 | ||
| Maximum clamping voltage | VC | 13.6 | V | at IPP = 29.4 A | 2 | ||
| Peak power dissipation | PPP | 400 | W | 10/1000µs waveform (Note 1) | 1 | ||
| Steady state power dissipation | PD | 1 | W | at TL=50°C | 1 | ||
| Operation junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 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 | copper | 2. Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal | 1 |
CAD (KiCad official)
- Symbol:
ASMAJ8.0CA-HF - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
asmaj8-0ca-hf-etched.step/asmaj8-0ca-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);asmaj8-0ca-hf.step/asmaj8-0ca-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (6 pp, sha256
28f3294cc64e87b1, retrieved 2026-10-21, 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).