component

1SMB5920B-13

Public Made by Adom

by adom

Diodes Incorporated Zener Diodes, SMB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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1SMB5920B-13

Diodes Incorporated · Zener Diodes · SMB

1SMB5920B-13 from Diodes Incorporated, in a SMB. 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SMB
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 VZ 5.89 6.2 6.51 V @ IZT = 60.5 mA 3
Test Current IZT 60.5 mA 3
Maximum Zener Impedance ZZT 2 Ω @ IZT 3
Maximum Zener Impedance (knee) ZZK 200 Ω @ IZK = 1 mA 3
Maximum Reverse Current IR 5 µA @ VR = 4 V 3
Maximum Zener Current IZM 241 mA 3
Forward Voltage VF 1.5 V @ IF = 200mA, TA = +25°C 2
Power Dissipation PD 3 W @TL = +75°C 2
Power Dissipation Derating above +75°C PD 40 mW/°C Derate above +75°C 2
Power Dissipation PD 550 mW @TA = +25°C 2
Power Dissipation Derating above +25°C PD 4.4 mW/°C Derate above +25°C 2
Thermal Resistance, Junction to Terminal RθJT 25 °C/W Device mounted on FR-4 PCB (Note 5) 2
Thermal Resistance, Junction to Ambient RθJA 226 °C/W Device mounted on FR-4 PCB (Note 5) 2
Operating and Storage Temperature Range TJ, TSTG -65 150 °C 2
Standard VZ Tolerance -5 5 % 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper Alloy tin • Copper Alloy Leadframe with Lead-Free Plating (Matte Tin 1

CAD (KiCad official)

  • Symbol: 1SMB5920B-13
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB (KiCad packages3D, STEP)
  • 3D model files: 1smb5920b-13-etched.step / 1smb5920b-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1smb5920b-13.step / 1smb5920b-13.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 c06473e556bd519c, retrieved 2026-10-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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