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BW-D1G18VT1G-5

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Bencent Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BW-D1G18VT1G-5

Bencent · Zener Diodes · SOD-123

BW-D1G18VT1G-5 from Bencent, in a SOD-123. 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 end of the package (pin 1 in the top view); the zener reverse-voltage terminal, 18 V nominal (17.10 V to 18.90 V) at IZT = 7.0 mA.
2 A passive Anode, the end opposite the cathode band (pin 2 in the top view and schematic).

Key specifications

Parameter Value
Manufacturer Bencent
Package SOD-123
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 tolerance -5 5 % Standard tolerance on nominal Zener voltage 3
Zener voltage VZ 17.1 18 18.9 V @IZT = 7.0 mA 2
Maximum reverse current IR 0.1 µA @VR = 14 V 2
Forward voltage VF 0.9 V @IF = 10 mA 1
Power dissipation Pd 500 mW 1
Junction and storage temperature range Tj,Tstg -65 150 °C 1
Thermal resistance, junction-to-ambient RθJA 340 °C/W Junction-to-ambient, Note 2 1
Thermal resistance, junction-to-lead RθJA 150 ℃/W Junction-to-lead, Note 2 1

CAD (KiCad official)

  • Symbol: BW-D1G18VT1G-5
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bw-d1g18vt1g-5-etched.step / bw-d1g18vt1g-5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bw-d1g18vt1g-5.step / bw-d1g18vt1g-5.glb are the bare package body.

Provenance

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

  • Datasheet: Bencent datasheet (6 pp, sha256 3402dee75f31c5f9, retrieved 2026-10-14, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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