component
SMBJ550CA
Public Made by Adomby adom
ZHIDE ESD And Surge Protection (TVS/ESD), DO-214AA(SMB). 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
markdownSMBJ550CA
ZHIDE · ESD And Surge Protection (TVS/ESD) · DO-214AA(SMB)
SMBJ550CA from ZHIDE, in a DO-214AA(SMB). 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 | ZHIDE |
| Package | DO-214AA(SMB) |
| 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, CA) | VBR | 615 | 680 | V | IT = 1 mA | 2 | |
| Max. clamping voltage | VC | 860 | V | @ IPP = 0.7 A | 2 | ||
| Max. peak pulse current | IPP | 0.7 | A | 10/1000 us waveform | 2 | ||
| Max. reverse leakage current | IR | 1 | uA | @ VRWM = 550 V | 2 | ||
| Reverse stand-off voltage | VRWM | 550 | V | Printed as stand-off voltage in device table | 2 | ||
| Peak power dissipation | PPP | 600 | W | 10/1000 us waveform (note 1) | 1 | ||
| Power dissipation on infinite heatsink | PD | 50 | W | TL = 75 °C | 1 | ||
| Power dissipation on infinite heatsink (second printed rating) | PD | 5 | W | TL = 75 C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
SMBJ550CA - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
smbj550ca-etched.step/smbj550ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj550ca.step/smbj550ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ZHIDE datasheet (3 pp, sha256
c81f747a26885289, retrieved 2026-10-15, 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).