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1SMA5917BT3G

Public Made by Adom

by adom

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

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1SMA5917BT3G

onsemi · Zener Diodes · SMA

1SMA5917BT3G from onsemi, in a SMA. 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, marked by the polarity band (or molded polarity notch) on the SMA package, per Style 1 pin assignment.
2 ANODE passive Anode terminal, the terminal opposite the cathode polarity band, per Style 1 pin assignment.

Key specifications

Parameter Value
Manufacturer onsemi
Package SMA
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 (VZ), min VZ 4.46 V @ IZT = 79.8 mA; TA = 25°C; VZ limits guaranteed at thermal equilibrium 2
Reverse Zener Voltage (VZ), nominal VZ 4.7 V @ IZT = 79.8 mA; TA = 25°C 2
Reverse Zener Voltage (VZ), max VZ 4.94 V @ IZT = 79.8 mA; TA = 25°C; VZ limits guaranteed at thermal equilibrium 2
Maximum Zener Impedance (ZZT) ZZT 5 Ω @ IZT = 79.8 mA; TA = 25°C 2
Maximum Zener Impedance (ZZK) ZZK 500 Ω @ IZK = 1.0 mA; TA = 25°C 2
Maximum DC Zener Current IZM 319 mA(dc) TA = 25°C 2
Forward Voltage VF 1.2 V @ IF = 200 mA; TA = 25°C 2
Zener voltage tolerance (type designation) -5 5 % Tolerance designation ±5% per Note 3 for type number listed 2
DC Power Dissipation @ TL = 75°C, measured zero lead length (PD) PD 1.5 W TL = 75°C, measured zero lead length (Note 1); derate 20 mW/°C above 75°C 1
DC Power Dissipation @ TA = 25°C (PD) PD 0.5 W TA = 25°C (Note 2); derate 4.0 mW/°C above 25°C 1
Thermal Resistance, Junction-to-Lead RθJL 50 °C/W Junction-to-lead; measured zero lead length (Note 1) 1
Thermal Resistance, Junction-to-Ambient RθJA 250 °C/W Junction-to-ambient (Note 2), FR-4 minimum recommended footprint 1
Operating and Storage Temperature Range TJ, Tstg -65 150 °C Operating and storage 1
Maximum case temperature for soldering 260 °C for 10 seconds 1

CAD (KiCad official)

  • Symbol: 1SMA5917BT3G
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA (KiCad packages3D, STEP)
  • 3D model files: 1sma5917bt3g-etched.step / 1sma5917bt3g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1sma5917bt3g.step / 1sma5917bt3g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (5 pp, sha256 718bfbda0fd2b50b, retrieved 2026-10-21, tier: manufacturer)
  • 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