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BZT52C75-E3-08

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VISHAY(威世) Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BZT52C75-E3-08

VISHAY(威世) · Zener Diodes · SOD-123

BZT52C75-E3-08 from VISHAY(威世), 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 CATHODE passive Cathode, identified by the cathode bar on the SOD-123 outline; the Zener voltage of BZT52C75 is 71.25 V to 78.75 V (nominal 75 V) and reverse voltage VR is 56 V.
2 A passive Anode, the terminal opposite the cathode bar; total power dissipation is 500 mW at RthJL = 250 K/W and 300 mW on FR-4 with the recommended soldering footprint.

Key specifications

Parameter Value
Manufacturer VISHAY(威世)
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 71.25 75 78.75 V IZT1 = 2 mA, pulse tp = 5 ms 2
Zener voltage tolerance (C suffix, 5%) -5 5 % C suffix commercial 5% type per ordering table 1
Temperature coefficient of VZ αVZ 8 12 10-4/°C 2
Admissible Zener current at Tamb = 45 °C IZ 5 mA Tamb = 45 °C 2
Admissible Zener current at Tamb = 25 °C IZ 6 mA Tamb = 25 °C 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
Reverse voltage VR 56 V VR at IR = 100 nA 2
Reverse current IR 100 nA at VR = 56 V 2
Dynamic resistance ZZ 250 Ω at IZT1 = 2 mA 2
Dynamic resistance (knee) ZZK 500 Ω at IZT2 = 0.5 mA 2
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

CAD (KiCad official)

  • Symbol: BZT52C75-E3-08
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52c75-e3-08-etched.step / bzt52c75-e3-08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52c75-e3-08.step / bzt52c75-e3-08.glb are the bare package body.

Provenance

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

  • Datasheet: VISHAY(威世) datasheet (7 pp, sha256 0fb0b962a0ae20ff, retrieved 2026-10-28, tier: manufacturer)
  • 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