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1N5919BG

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onsemi Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N5919BG

onsemi · Zener Diodes · DO-41

1N5919BG from onsemi, in a DO-41. 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, marked by the polarity band; the zener is reverse-biased with this pin positive, and the primary path of heat conduction is through this lead.
2 A passive Anode, the end opposite the polarity band; VF is 1.5 V max at IF = 200 mAdc when forward biased.

Key specifications

Parameter Value
Manufacturer onsemi
Package DO-41
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 5.32 5.6 5.88 V @ IZT, TL = 30C 3
Zener Test Current IZT 66.9 mA TL = 30C 3
Maximum Zener Impedance ZZT 2 Ω @ IZT 3
Maximum Zener Impedance ZZK 250 Ω @ IZK = 1 mA 3
Reverse Leakage Current IR 5 mA @ VR = 3 V 3
Maximum DC Zener Current IZM 267 mA 3
Forward Voltage VF 1.5 V IF = 200 mAdc 2
Max. Steady State Power Dissipation PD 3 W @TL = 75C, Lead Length = 3/8; derate 24 mW/C above 75C 1
Steady State Power Dissipation PD 1 W @TA = 50C; derate 6.67 mW/C above 50C 1
Operating and Storage Temperature Range TJ, Tstg -65 200 C 1
Zener Voltage Tolerance -5 5 % B suffix 3

CAD (KiCad official)

  • Symbol: 1N5919BG
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-41 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: onsemi datasheet (8 pp, sha256 f19ac2e0114103c0, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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