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ESD9B5.0ST5G

Public Made by Adom

by adom

onsemi ESD Protection Devices, SOD-923. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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ESD9B5.0ST5G

onsemi · ESD Protection Devices · SOD-923

ESD9B5.0ST5G from onsemi, in a SOD-923. 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 onsemi
Package SOD-923
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 IR 100 nA @ VRWM 2
Breakdown voltage VBR 5.8 7.8 V @ IT = 1.0 mA; pulse test at TA = 25°C (Note 2) 2
Clamping voltage VC 12.5 V IPP = 1 A; max per 8 x 20 µs surge (Note 4) 2
Clamping voltage VC 15 V IPP = 2 A; max per 8 x 20 µs surge (Note 4) 2
IEC 61000-4-2 (ESD) contact -18 18 kV Contact 1
IEC 61000-4-2 (ESD) air -18 18 kV Air 1
IEC 61000-4-4 (EFT) 40 A IEC 61000-4-4 (EFT) 1
Total power dissipation on FR-5 board PD 300 mW TA = 25°C on FR-5 board (Note 1) 1
Junction and storage temperature range TJ, Tstg -55 150 °C 1
Lead solder temperature (maximum) TL 260 °C 10 second duration 1
Thermal resistance, junction-to-ambient RθJA 400 °C/W 1
Capacitance C 15 pF VR = 0 V and f = 1.0 MHz 2

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: 100% Matte Sn (Tin) MOUNTING POSITION: Any 1

CAD (KiCad official)

  • Symbol: ESD9B5.0ST5G
  • Footprint: Diode_SMD:D_SOD-923
  • 3D model: SOD-923 (KiCad packages3D, STEP)
  • 3D model files: esd9b5-0st5g-etched.step / esd9b5-0st5g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd9b5-0st5g.step / esd9b5-0st5g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (4 pp, sha256 aba6554d0f049467, retrieved 2026-10-21, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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