component
SMDJ54CA
Public Made by Adomby adom
DOWO ESD And Surge Protection (TVS/ESD), SMC(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
markdownSMDJ54CA
DOWO · ESD And Surge Protection (TVS/ESD) · SMC(DO-214AB)
SMDJ54CA from DOWO, in a SMC(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 | DOWO |
| Package | SMC(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 | VBR | 60 | 66.3 | V | @IT = 1 mA | 4 | |
| Test Current | IT | 1 | mA | VBR test current | 4 | ||
| Maximum Reverse Leakage | IR | 2 | uA | @VRWM | 4 | ||
| Working Peak Reverse Voltage | VRWM | 54 | V | 4 | |||
| Maximum Reverse Surge Current | IPP | 34.44 | A | 10/1000 μs waveform | 4 | ||
| Maximum Clamping Voltage | VC | 87.1 | V | @IPP | 4 | ||
| Breakdown Voltage Tolerance | -5 | 5 | % | Suffix 'A' denotes 5% tolerance device | 3 | ||
| Peak power dissipation | PPP | 3000 | W | 10/1000μs waveform, TA=25℃ | 1 | ||
| Power dissipation on infinite heatsink | PD | 6.5 | W | TL = 75 °C | 1 | ||
| Peak forward surge current | IFSM | 300 | A | 8.3 ms single half sine-wave, unidirectional only | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
SMDJ54CA - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
smdj54ca-etched.step/smdj54ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smdj54ca.step/smdj54ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (4 pp, sha256
b02f840371a72d95, retrieved 2026-10-22, 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).