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Contents

README

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SZMM5Z5V1T1G

onsemi · Zener Diodes · SOD-523

SZMM5Z5V1T1G from onsemi, in a SOD-523. 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, identified by the polarity band on the SOD-523 package (STYLE 1 pin 1), and the regulated Zener terminal of the device.
2 ANODE passive Anode (STYLE 1 pin 2), the terminal opposite the cathode polarity band on the SOD-523 package.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOD-523
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
Reverse Zener Voltage VZ1 at IZT1 VZ 4.8 5.1 5.4 V IZT1 = 5 mA, pulse test, TA = 25°C (Note 1) 3
Reverse Zener Voltage VZ2 at IZT2 VZ 4.2 5.3 V IZT2 = 1 mA 3
Maximum Zener Impedance at IZT ZZT 60 @ IZT = 5 mA 3
Maximum Zener Impedance at IZK ZZK 500 @ IZK = 1.0 mA 3
Reverse Leakage Current IR 2 A @ VR = 2.0 V 3
Maximum Temperature Coefficient of VZ VZ -2.7 1.2 mV/k @ IZT 3
Forward Voltage VF 0.9 V @ IF = 10 mA 3
Maximum Capacitance C 225 pF @ VR = 0, f = 1 MHz 3
Total Device Dissipation, FR-4 Board PD 500 mW @ TA = 25°C (Note 1), FR-4 board 1
Derate above 25°C PD 4 mW/°C Derate above 25°C 1
Thermal Resistance, Junction-to-Ambient RJA 250 °C/W Junction-to-Ambient (Note 1) 1
Junction and Storage Temperature Range TJ, Tstg -65 150 °C 1

CAD (KiCad official)

  • Symbol: SZMM5Z5V1T1G
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: szmm5z5v1t1g-etched.step / szmm5z5v1t1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); szmm5z5v1t1g.step / szmm5z5v1t1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (4 pp, sha256 81945c5f94026de5, retrieved 2026-10-15, 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