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BZD27C33P

LGE · Zener Diodes · SOD-123FL

BZD27C33P from LGE, in a SOD-123FL. 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 1 passive Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation.
2 2 passive Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation.

Key specifications

Parameter Value
Manufacturer LGE
Package SOD-123FL
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 (working voltage, min/max) Vz 31 35 V IZT 8 mA 2
Differential resistance rdif 15 Ω at IZT 8 mA; typ cell blank 2
Temperature coefficient αz 0.06 0.11 %/°C at IZT 8 mA 2
Reverse current IR 25 µA VR 1 V 2
Breakdown voltage V(BR)R 31 V Itest 25 mA 3
Temperature coefficient (protection table) αz 0.06 0.11 %/°C Itest 25 mA 3
Clamping voltage VC 46.2 V IRSM 3.2 A 3
Reverse current at stand-off voltage IR 5 µA VWM 27 V 3
Non-repetitive peak pulse power dissipation PPPM 150 W 10/1000 µs waveform (NOTE 1) 1
Power dissipation at TA=25 Ptot 0.8 W TA=25 (NOTE 2), epoxy-glass PCB with 3×3 mm Cu pads 1
Thermal resistance junction to ambient RθJA 180 K/W 1
Operating junction temperature range TJ -55 150 °C 1
Storage temperature range TSTG -55 150 °C 1
Maximum instantaneous forward voltage VF 1.2 V IF 0.2A 1

CAD (KiCad official)

  • Symbol: BZD27C33P
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: bzd27c33p-etched.step / bzd27c33p-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzd27c33p.step / bzd27c33p.glb are the bare package body.

Provenance

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

  • Datasheet: LGE datasheet (4 pp, sha256 99d999ed97b56f63, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal 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