component
SMBJ58CAX
Public Made by Adomby adom
Shenzhen JingYang ESD And Surge Protection (TVS/ESD), SMB. Pinout cross-checked by two models against the datasheet, 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
markdownSMBJ58CAX
Shenzhen JingYang · ESD And Surge Protection (TVS/ESD) · SMB
SMBJ58CAX from Shenzhen JingYang, in a 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 | Pin1 | passive | Bidirectional TVS terminal; breakdown to Pin2 is 64.4 V min to 71.2 V max at 1.0 mA and leakage is 1 µA max at 58 V (T = 25 ℃). |
| 2 | Pin2 | passive | Bidirectional TVS terminal; breakdown to Pin1 is 64.4 V min to 71.2 V max at 1.0 mA and leakage is 1 µA max at 58 V (T = 25 ℃). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen JingYang |
| Package | 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 Pin1 to Pin2 | V1 | 64.4 | 71.2 | V | I(Pin1 to Pin2) = 1.0mA, T = 25℃ | 2 | |
| Breakdown Voltage Pin2 to Pin1 | V2 | 64.4 | 71.2 | V | I(Pin2 to Pin1) = 1.0mA, T = 25℃ | 2 | |
| Leakage Current Pin1 to Pin2 | I1 | 1 | μA | Vin=58V, T = 25℃ | 2 | ||
| Leakage Current Pin2 to Pin1 | I2 | 1 | μA | Vin=58V, T = 25℃ | 2 |
CAD (KiCad official)
- Symbol:
SMBJ58CAX - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
smbj58cax-etched.step/smbj58cax-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj58cax.step/smbj58cax.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen JingYang datasheet (2 pp, sha256
808bb0a52a87fdee, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(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).