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DX3319EA

Public Made by Adom

by adom

Dersem LED Drivers, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DX3319EA

Dersem · LED Drivers · ESOP-8

DX3319EA from Dersem, in a ESOP-8. 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 TRAIC passive TRIAC dimmer control port that sinks a bleeder current of 5-50 mA, set by external components, with an absolute maximum voltage of -0.5 to 8 V.
2 NC unconnected No-connect (floating) pin; leave unconnected.
3 REXT2 passive Holding-current setting pin for the TRIAC port, with REXT2 voltage of 0.28-0.34 V (0.31 V typ) and an absolute maximum of -0.5 to 8 V.
4 REXT1 passive Output-current setting pin for the OUT port via an external resistor Rext1 (datasheet recommends Rext1 ≥ 3.9R), with REXT1 voltage of 1.16-1.29 V (1.2 V typ) and an absolute maximum of -0.5 to 8 V.
5 OUT output Constant-current LED output with an absolute maximum voltage of -0.5 to 500 V and output current of 5-300 mA.
6 NC unconnected No-connect (floating) pin; leave unconnected.
7 NC unconnected No-connect (floating) pin; leave unconnected.
8 VIN power_in Supply input with an absolute maximum voltage of -0.5 to 500 V and a 500 V minimum breakdown rating.
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Dersem
Package ESOP-8
Category LED Drivers
Pins 9

CAD (KiCad official)

  • Symbol: DX3319EA
  • Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm
  • 3D model: ESOP-8 (KiCad packages3D, STEP)
  • 3D model files: dx3319ea-etched.step / dx3319ea-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dx3319ea.step / dx3319ea.glb are the bare package body.

Provenance

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

  • Datasheet: Dersem datasheet (9 pp, sha256 ffb29cbaa63c1b26, retrieved 2026-10-09, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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