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DB4

Public Made by Adom

by adom

LGE Diacs Trigger Diode, DO-35. 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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DB4

LGE · Diacs Trigger Diode · DO-35

DB4 from LGE, in a DO-35. 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 1 passive Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation.
2 2 passive Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation.

Key specifications

Parameter Value
Manufacturer LGE
Package DO-35
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
Breakover voltage (DB4) VBO 35 40 45 V C=22nF (NOTE 2); See FIG.1 1
Breakover voltage symmetry I+VBO I-VBOI -3 3 V See FIG.1 1
Dynamic breakover voltage 5 V I=IBO to IF=10mA; See FIG.1 1
Output voltage (NOTE 1) Vo 5 V 1
Breakover current (NOTE 1) IBO 100 µA 1
Leakage current (NOTE 1) IR 10 µA VR=0.5 VBO 1
Rise time (NOTE 1) tr 1.5 µs 1
Repetitive peak on-state current ITRM 2 A tp=20 µs, f=120Hz 1
Power dissipation on printed circuit Pc 150 mW TA=50°C, circuit (L=10mm) 1
Operating junction temperature TJ -40 125 °C 1
Storage temperature TSTG -40 125 °C 1

CAD (KiCad official)

  • Symbol: DB4
  • Footprint: Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal
  • 3D model: DO-35 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: LGE datasheet (2 pp, sha256 1505f5789e60f6f7, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal 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