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BZV55C3V0

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YONGYUTAI Zener Diodes, LL-34. 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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BZV55C3V0

YONGYUTAI · Zener Diodes · LL-34

BZV55C3V0 from YONGYUTAI, in a LL-34. 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 YONGYUTAI
Package LL-34
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
Dynamic Resistance ZZT 85 Ω at IZT = 5 mA 2
Dynamic Resistance ZZK 600 Ω at IZK = 1 mA 2
Reverse Leakage Current IR 4 µA Ta = 25 °C, VR = 1 V 2
Reverse Leakage Current IR 40 µA Ta = 125 °C, VR = 1 V 2
Temp. Coefficient of Zener Voltage TKvz -0.08 -0.05 %/K 2
Forward Voltage VF 1 V at IF = 100 mA, Ta = 25 °C 1
Thermal Resistance Junction to Ambient Air RthA 0.3 K/mW Valid provided that electrodes are kept at ambient temperature, Ta = 25 °C 1
Power Dissipation Ptot 500 mW Ta = 25 °C, electrodes kept at ambient temperature 1
Junction Temperature Tj 175 °C Ta = 25 °C 1
Storage Temperature Range Tstg -55 175 °C Ta = 25 °C 1

CAD (KiCad official)

  • Symbol: BZV55C3V0
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: LL-34 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: YONGYUTAI datasheet (5 pp, sha256 5d23c5b65c01214b, retrieved 2026-10-22, tier: lcsc)
  • 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