component

SZESD5B5.0ST5G

Public Made by Adom

by adom

onsemi ESD And Surge Protection (TVS/ESD), SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SZESD5B5.0ST5G

onsemi · ESD And Surge Protection (TVS/ESD) · SOD-523

SZESD5B5.0ST5G from onsemi, in a SOD-523. 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 One terminal of the bi-directional ESD protection diode, rated for a 5.0 V reverse working (stand-off) voltage; the SOD-523 outline Style 1 labels this pin CATHODE (polarity band), but the device is described as bi-directional, so polarity may not apply.
2 2 passive The other terminal of the bi-directional ESD protection diode, rated for IEC 61000-4-2 contact ESD of ±30 kV; the SOD-523 outline Style 1 labels this pin ANODE.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOD-523
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
Reverse Leakage Current @ VRWM IR 1 A @ VRWM, TA = 25°C; printed as 'IR (A)' 2
Breakdown Voltage @ IT (minimum) VBR 5.8 V @ IT = 1.0 mA, pulse test, TA = 25°C 2
Breakdown Voltage @ IT (maximum) VBR 7.8 V @ IT = 1.0 mA, pulse test, TA = 25°C 2
Forward Voltage VF 0.9 V @ IF = 10 mA, for all types 2
IEC 61000-4-2 ESD Contact -30 30 kV IEC 61000-4-2 contact discharge (printed ±30) 1
IEC 61000-4-2 ESD Air -30 30 kV IEC 61000-4-2 air discharge (printed ±30) 1
ESD Voltage Per Human Body Model 16 kV Per Human Body Model 1
ESD Voltage Per Machine Model 400 V Per Machine Model 1
Peak Power (Figure 1) PPK 50 W Per 8 x 20 pulse waveform (Figure 1) 1
Peak Power (Figure 2) PPK 10 W Per 10 x 1000 pulse waveform (Figure 2) 1
Total Power Dissipation on FR-5 Board PD 200 mW @ TA = 25°C, FR-5 board (Note 1) 1
Junction and Storage Temperature Range TJ, Tstg -55 150 °C Junction and storage 1
Lead Solder Temperature - Maximum TL 260 °C 10 second duration 1
Working Peak Reverse Voltage VRWM 5 V Reverse working (stand-off) voltage 2
Clamping Capacitance C 32 pF @ VR = 0 V, f = 1 MHz 2

CAD (KiCad official)

  • Symbol: SZESD5B5.0ST5G
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: szesd5b5-0st5g-etched.step / szesd5b5-0st5g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); szesd5b5-0st5g.step / szesd5b5-0st5g.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: onsemi datasheet (5 pp, sha256 fc7f97b4dd6a7b4b, retrieved 2026-10-13, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF