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Ray Publish 0.1.0 fa01a73 9d ago

BZT52-B43_R1_00001

PANJIT International · Zener Diodes · SOD-123

BZT52-B43_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; the datasheet polarity diagram labels pin 1 as cathode, with the device rated for a maximum power dissipation of 410 mW (Note 1).
2 Anode passive Anode terminal of the Zener diode; the datasheet polarity diagram labels pin 2 as anode, with a typical forward voltage drop of 0.9 V at IF = 10 mA.

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 (Nom. 43 V) 42.14 43 43.86 V Z @ IZT 2
Max Zener Impedance (ZZT) ZZT 100 Ω @ IZT 5.0 mA 2
Max Zener Impedance (ZZK) ZZK 375 Ω @ IZK 1.00 mA 2
Max Reverse Leakage Current IR 0.1 μA @ VR 32.0 V 2
Maximum Power Dissipation PD 410 mW Note 1 (48 cm2 FR-4 PCB) 1
Forward Voltage Drop VF 0.9 V at IF=10mA 1
Thermal Resistance Junction to Ambient RθJA 430 °C/W Note 2 (FR-4 PCB, minimum recommended pad) 1
Thermal Resistance Junction to Lead RθJL 320 °C/W 1
Operating Junction and Storage Temperature Range TJ -55 150 °C 1

CAD (KiCad official)

  • Symbol: BZT52-B43_R1_00001
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52-b43-r1-00001-etched.step / bzt52-b43-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52-b43-r1-00001.step / bzt52-b43-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 2026-10-18, 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