component

BZX55C11V

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LangJie Zener Diodes, DO-35. 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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BZX55C11V

LangJie · Zener Diodes · DO-35

BZX55C11V from LangJie, in a DO-35. 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 LangJie
Package DO-35
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 10.4 11.6 V I_ZT = 5 mA 2
Zener dynamic impedance ZZT 20 Ω I_ZT = 5 mA 2
Zener dynamic impedance (knee) ZZK 110 Ω I_ZK = 0.5 mA 2
Reverse current IR 0.2 µA VR = 8.0 V 2
Maximum zener current IZM 36 mA t = 20 ms 2
Temperature coefficient of VZ TK VZ 0.07 %/K 2
Total power dissipation Ptot 500 mW l=4 mm, TL=25 °C 1
Junction temperature Tj 175 °C 1
Storage temperature Tstg -65 175 °C 1
Soldering temperature 250 °C 9.5 mm, 10 s 1
Thermal resistance, junction to ambient RthJA 350 °C/W 1

CAD (KiCad official)

  • Symbol: BZX55C11V
  • Footprint: Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal
  • 3D model: DO-35 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: LangJie datasheet (4 pp, sha256 1a683c0e5ce406e4, retrieved 2026-10-21, 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