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BZT52B10-E3-08

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Vishay Intertech Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BZT52B10-E3-08

Vishay Intertech · Zener Diodes · SOD-123

BZT52B10-E3-08 from Vishay Intertech, in a SOD-123. 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 (marked with the cathode bar); positive terminal of the Zener diode, which goes positive relative to the anode in reverse Zener operation (BZT52B10: VZ 9.80 to 10.20 V at IZT1 = 5 mA).
2 A passive Anode of the Zener diode; Ptot is 500 mW (RthJL = 250 K/W) and 300 mW on FR-4 board with recommended footprint.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package SOD-123
Category Diodes
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
Zener voltage VZ 9.8 10 10.2 V IZT1 = 5 mA, tp = 5 ms pulses 3
Zener voltage tolerance -2 2 % B series 1
Reverse voltage VR 7.5 V at IR = 100 nA, IZT2 = 1 mA 3
Dynamic resistance ZZ 15 Ω at IZT1 = 5 mA 3
Dynamic resistance (knee) ZZK 70 Ω at IZT2 = 1 mA 3
Temperature coefficient of Zener voltage αVZ 5 8 10-4/°C IZT1 = 5 mA 3
Admissible Zener current IZ 38 mA Tamb = 45 °C 3
Admissible Zener current IZ 45 mA Tamb = 25 °C 3
Power dissipation Ptot 500 mW RthJL = 250 K/W 1
Power dissipation Ptot 300 mW On FR-4 board with recommended soldering footprint 1
Junction temperature Tj 150 °C 1
Storage temperature range Tstg -65 150 °C 1
Operating temperature range Top -55 150 °C 1
Thermal resistance junction to lead RthJL 250 K/W 1
Thermal resistance junction to ambient RthJA 420 K/W According to JEDEC 51-3 on FR-4 board with recommended soldering footprint 1
Test current IZT1 5 mA 3
Test current IZT2 1 mA 3

CAD (KiCad official)

  • Symbol: BZT52B10-E3-08
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52b10-e3-08-etched.step / bzt52b10-e3-08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52b10-e3-08.step / bzt52b10-e3-08.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (7 pp, sha256 88fbcb2f1d090d42, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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