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BZT52C13-E3-08

Vishay Intertech · Zener Diodes · SOD-123

BZT52C13-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 cathode bar/mark); the Zener diode BZT52C13 has VZ 12.40 to 13.65 V (13 V typ.) at IZT1 = 5 mA, with reverse polarity connection to the positive side in Zener operation.
2 A passive Anode of the single Zener diode; BZT52C13 admissible Zener current is 29 mA at Tamb = 45 °C and 34 mA at Tamb = 25 °C, power dissipation max. 500 mW (300 mW on FR-4 board).

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 12.4 13 13.65 V at IZT1 = 5 mA, pulses tp = 5 ms 2
Test current IZT1 IZT1 5 mA 2
Reverse leakage current IR 100 nA at VR = 10 V (IZT2 test current column) 2
Reverse voltage VR 10 V VR at IR 2
Dynamic resistance ZZ 25 Ω at IZT1 2
Dynamic resistance (knee) ZZK 110 Ω at IZT2 2
Temperature coefficient of Zener voltage αVZ 7 9 10-4/°C 2
Admissible Zener current IZ 29 mA Tamb = 45 °C, electrodes kept at ambient temperature 2
Admissible Zener current IZ 34 mA Tamb = 25 °C, electrodes kept at ambient temperature 2
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
Zener voltage tolerance -5 5 % BZT52C series 1

CAD (KiCad official)

  • Symbol: BZT52C13-E3-08
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52c13-e3-08-etched.step / bzt52c13-e3-08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52c13-e3-08.step / bzt52c13-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 d930ed5040a634fd, retrieved 2026-10-26, 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