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LBZT52C51T1G

Public Made by Adom

by adom

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

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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LBZT52C51T1G

LRC · Zener Diodes · SOD-123

LBZT52C51T1G from LRC, 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, marked by the polarity band on the package; the datasheet's equivalent circuit labels pin 1 as Cathode.
2 ANODE passive Anode terminal of the Zener diode; the datasheet gives forward voltage VF of 0.9 V max at IF = 10 mA and a total power dissipation of 500 mW.

Key specifications

Parameter Value
Manufacturer LRC
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 (nominal) VZ 48 51 54 V IZT=2 mA 2
Maximum Zener impedance ZZT 100 Ω IZT=2 mA 2
Maximum Zener impedance ZZK 750 Ω IZK=1.0 mA 2
Maximum reverse current IR 0.1 µA VR=38 V 2
Typical temperature coefficient ZTC 10 12 mV/°C IZT=5 mA 2
Forward voltage VF 0.9 V IF=10 mA 1
Total power dissipation on FR-5 board PD 500 mW TA=25°C, ceramic PCB (note 1) 1
Thermal resistance junction to ambient air RθJA 305 °C/W TA=25°C, ceramic PCB (note 1) 1
Junction and storage temperature range TJ, TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: LBZT52C51T1G
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: lbzt52c51t1g-etched.step / lbzt52c51t1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lbzt52c51t1g.step / lbzt52c51t1g.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (4 pp, sha256 3079abdb09328077, 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