component
SMAJ8.0CA
Public Made by Adomby adom
Taisko ESD And Surge Protection (TVS/ESD), 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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents
README
markdownSMAJ8.0CA
Taisko · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ8.0CA from Taisko, 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 | 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 | Taisko |
| Package | SMA(DO-214AC) |
| 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 (bidirectional SMAJ8.0CA) | VBR | 8.89 | 9.83 | V | @ IT = 1 mA | 3 | |
| Maximum Clamping Voltage (SMAJ8.0CA) | VC | 13.6 | V | @ IPP = 29.4 A | 3 | ||
| Maximum Peak Pulse Current (SMAJ8.0CA) | IPP | 29.4 | A | 3 | |||
| Maximum Reverse Leakage Current (SMAJ8.0CA) | IR | 50 | μA | @ VR = 8 V | 3 | ||
| Reverse Stand-off Voltage (SMAJ8.0CA) | VR | 8 | V | 3 | |||
| Peak Pulse Power Dissipation | PPPM | 400 | W | 10/1000us non-repetitive waveform (Note1); copper pad 5×5mm (Note2) | 3 | ||
| Steady State Power Dissipation | PD | 3.3 | W | Infinite heatsink at TA=50°C (Note3) | 3 | ||
| Peak Forward Surge Current | IFSM | 40 | A | 8.3ms single half sine wave or equivalent square wave, duty cycle 4 per minute max (Note4) | 3 | ||
| Operating Temperature Range | TJ | -55 | 150 | ℃ | 3 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 3 | ||
| Maximum Junction Capacitance | C | 1500 | PF | 3 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 120 | ℃/W | 3 |
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 | Lead Finish: Matte Tin Case Material: Epoxy Molding Compound. | 1 |
CAD (KiCad official)
- Symbol:
SMAJ8.0CA - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj8-0ca-etched.step/smaj8-0ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj8-0ca.step/smaj8-0ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Taisko datasheet (8 pp, sha256
cc5d1b0bcd0dca9a, retrieved 2026-10-21, 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).