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BZT52-B18_R1_00001

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PANJIT International Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BZT52-B18_R1_00001

PANJIT International · Zener Diodes · SOD-123

BZT52-B18_R1_00001 from PANJIT International, 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 terminal of the Zener diode, identified by the package polarity diagram (pin 1 = Cathode, pin 2 = Anode).
2 Anode passive Anode terminal of the Zener diode, identified by the package polarity diagram (pin 2 = Anode, pin 1 = Cathode).

Key specifications

Parameter Value
Manufacturer PANJIT International
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
Nominal Zener Voltage VZ 17.64 18 18.36 V 2
Max Zener Impedance ZZT 50 Ω @ IZT = 5.0 mA 2
Max Zener Impedance ZZK 225 Ω @ IZK = 1.00 mA 2
Max Reverse Leakage Current IR 0.1 μA @ VR = 14.0 V 2
Maximum Power Dissipation PD 410 mW Note 1: mounted on 48 cm2 FR-4 PCB 1
Operating Junction and Storage Temperature Range TJ -55 150 °C 1
Thermal Resistance Junction to Ambient RθJA 430 °C/W Note 2: mounted on FR-4 PCB with minimum recommended pad 1
Thermal Resistance Junction to Lead RθJL 320 °C/W 1

CAD (KiCad official)

  • Symbol: BZT52-B18_R1_00001
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52-b18-r1-00001-etched.step / bzt52-b18-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52-b18-r1-00001.step / bzt52-b18-r1-00001.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (7 pp, sha256 aa7b58e386144b01, retrieved 2026-10-19, tier: lcsc)
  • 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