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BZT52C5V1-W8

LGE · Zener Diodes · SOD-123

BZT52C5V1-W8 from LGE, 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 of the Zener diode; BZT52C5V1 has VZ 5.1V nominal (4.8-5.4V) at IZT=5mA, with the cathode end marked by the band on the package.
2 A passive Anode of the Zener diode; forward voltage 0.9V at IF=10mA and power dissipation 500mW maximum on ceramic PCB.

Key specifications

Parameter Value
Manufacturer LGE
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 4.8 5.1 5.4 V @ IZT = 5 mA 2
Maximum Zener impedance ZZT 60 Ω @ IZT = 5 mA 2
Maximum Zener impedance (knee) ZZK 480 Ω @ IZK = 1.0 mA 2
Maximum reverse current IR 2 µA @ VR = 2.0 V 2
Typical temperature coefficient IZTC -2.7 1.2 mV/℃ Test current IZTC = 5 mA 2
Power dissipation Pd 500 mW Ta=25℃ 1
Junction temperature Tj 150 ℃ 1
Storage temperature range Tstg -65 150 ℃ 1
Forward voltage VF 0.9 V @ IF = 10mA 1
Thermal resistance, junction to ambient air RθjA 305 ℃/W junction to ambient air 1

CAD (KiCad official)

  • Symbol: BZT52C5V1-W8
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52c5v1-w8-etched.step / bzt52c5v1-w8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52c5v1-w8.step / bzt52c5v1-w8.glb are the bare package body.

Provenance

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

  • Datasheet: LGE datasheet (3 pp, sha256 8bae967198e01a40, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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