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Contents

README

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LMSZ5265BT1G

LRC · Zener Diodes · SOD-123

LMSZ5265BT1G 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 Pin 1 is the cathode, marked by the polarity band on the package (SOD-123 Style 1).
2 Anode passive Pin 2 is the anode of the SOD-123 package (SOD-123 Style 1: pin 1 cathode, pin 2 anode).

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, min/max) VZ 58.9 62 65.1 V @ IZT (2.0 mA), TA = 25°C 3
Zener voltage tolerance (standard) VZ -5 5 % Standard tolerance on nominal Zener voltage (Note 3) 3
Maximum Zener impedance ZZT 185 @ IZT (2.0 mA); IZ(AC) = 0.1 IZ(DC), f = 1 kHz (Note 5) 3
Maximum Zener impedance ZZK 1400 @ IZK (0.25 mA) 3
Reverse leakage current IR 0.1 A @ VR = 47 V 3
Forward voltage VF 0.9 V @ IF = 10 mA 2
Total power dissipation on FR-5 board PD 500 mW @ TL = 75°C (Note 1, FR-5 board) 1
Derating above 75°C PD 6.7 mW/°C Derated above 75°C 1
Thermal resistance, junction-to-ambient RJA 340 °C/W Note 2 (infrared scan method) 1
Thermal resistance, junction-to-lead RJL 150 °C/W Note 2 (infrared scan method) 1
Junction and storage temperature range TJ, Tstg -55 150 °C 1

CAD (KiCad official)

  • Symbol: LMSZ5265BT1G
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: lmsz5265bt1g-etched.step / lmsz5265bt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lmsz5265bt1g.step / lmsz5265bt1g.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (7 pp, sha256 efd379bcc7d5ffe7, retrieved 2026-10-17, 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