component

1SMA5917BT3G-MS

Public Made by Adom

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MSKSEMI Zener Diodes, SMA(DO-214AC). 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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1SMA5917BT3G-MS

MSKSEMI · Zener Diodes · SMA(DO-214AC)

1SMA5917BT3G-MS from MSKSEMI, in a SMA(DO-214AC). 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 MSKSEMI
Package SMA(DO-214AC)
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), 1SMA5917BT3G-MS VZ 4.46 4.7 4.94 V @ IZT 79.8 mA 3
Zener voltage tolerance (B suffix) VZ -5 5 % Tolerance designation B per Note 3 3
Maximum Zener Impedance ZZT 5 Ω @ IZT 79.8 mA 3
Maximum Zener Impedance ZZK 500 Ω @ IZK 1.0 mA 3
Maximum DC Zener Current IZM 319 mA(dc) 3
Forward Voltage VF 1.2 V IF = 200 mA 3
DC Power Dissipation PD 1.5 W TL = 75°C, measured zero lead length (Note 1) 2
DC Power Dissipation derating 20 mW/°C Derate above 75°C 2
DC Power Dissipation PD 0.5 W TA = 25°C (Note 2) 2
DC Power Dissipation derating 4 mW/°C Derate above 25°C 2
Thermal Resistance, Junction-to-Lead RθJL 50 °C/W 2
Thermal Resistance, Junction-to-Ambient RθJA 250 °C/W 2
Operating and Storage Temperature Range TJ, Tstg -65 150 °C 2

CAD (KiCad official)

  • Symbol: 1SMA5917BT3G-MS
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: 1sma5917bt3g-ms-etched.step / 1sma5917bt3g-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1sma5917bt3g-ms.step / 1sma5917bt3g-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (7 pp, sha256 84b58db054664c6f, retrieved 2026-10-21, 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