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Contents

README

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1SMB5916BT3G

onsemi · Zener Diodes · SMB

1SMB5916BT3G from onsemi, 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 onsemi
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
Reverse Zener Voltage @ IZT (nominal 4.3 V) VZ 4.08 4.3 4.52 V @ IZT (IZT = 87.2 mA); TL = 30C unless otherwise noted 3
Zener voltage tolerance (type number designation) -5 5 % Type number designation, Note 2 3
Reverse leakage current IR 5 µA @ VR = 1 V 3
Maximum Zener impedance @ IZT ZZT 6 Ω @ IZT; IZ(ac) = 0.1 IZ(dc), 60 Hz 3
Maximum Zener impedance @ IZK ZZK 500 Ω @ IZK = 1 mA; IZ(ac) = 0.1 IZ(dc), 60 Hz 3
Maximum DC Zener current IZM 348 mA(dc) 3
Forward voltage VF 1.5 V @ IF = 200 mA(dc), for all types 2
Operating and storage temperature range TJ, Tstg -65 150 C 1
Maximum steady state power dissipation @ TL = 75C PD 3 W TL = 75C; measured at zero lead length 1
Maximum steady state power dissipation @ TA = 25C PD 550 mW TA = 25C (Note 1: FR-4 board, recommended footprint) 1
Thermal resistance, junction-to-lead RJL 40 C/W Junction-to-lead 1
Thermal resistance, junction-to-ambient RJA 226 C/W Junction-to-ambient; TA = 25C (Note 1: FR-4 board, recommended footprint) 1

CAD (KiCad official)

  • Symbol: 1SMB5916BT3G
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB (KiCad packages3D, STEP)
  • 3D model files: 1smb5916bt3g-etched.step / 1smb5916bt3g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1smb5916bt3g.step / 1smb5916bt3g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (6 pp, sha256 52985d4757f03142, retrieved 2026-10-14, tier: lcsc)
  • 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