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Contents

README

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APTD1608LQBC

Kingbright · LED Indication - Discrete · 0603

APTD1608LQBC from Kingbright, in a 0603. 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 of the blue InGaN LED, shown as pin 2 on the package drawing at the bar side of the diode symbol and the polarity mark side; reverse voltage is 5 V max.
2 A passive Anode of the blue InGaN LED, shown as pin 1 on the package drawing and diode symbol; DC forward current is 30 mA max, with VF 2.2 to 3.1 V at IF = 2 mA.

Key specifications

Parameter Value
Manufacturer Kingbright
Package 0603
Category Optoelectronics
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
Forward Voltage VF 2.2 2.65 3.1 V IF = 2mA 2
Reverse Current IR 50 µA VR = 5V 2
Operating Temperature Top -40 85 °C 2
Storage Temperature Tstg -40 85 °C 2
Power Dissipation PD 120 mW 2
Reverse Voltage VR 5 V 2
DC Forward Current IF 30 mA 2
Peak Forward Current IFM 150 mA 1/10 Duty Cycle, 0.1ms Pulse Width 2
Junction Temperature Tj 115 °C 2
Electrostatic Discharge Threshold (HBM) 250 V HBM 2
Dominant Wavelength tolerance (sorting machine setup) λdom -1 1 nm Tolerance λd, note 1 2
Forward Voltage tolerance VF -0.1 0.1 V Note 2 (forward voltage ±0.1V) 2
Thermal Resistance (Junction / Ambient) Rth JA 660 °C/W Mounted on FR4 PCB, pad size ≥ 16 mm2 per pad (note 2) 2
Thermal Resistance (Junction / Solder point) Rth JS 500 °C/W Mounted on FR4 PCB, pad size ≥ 16 mm2 per pad (note 2) 2

CAD (KiCad official)

  • Symbol: APTD1608LQBC
  • Footprint: LED_SMD:LED_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: aptd1608lqbc-etched.step / aptd1608lqbc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); aptd1608lqbc.step / aptd1608lqbc.glb are the bare package body.

Provenance

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

  • Datasheet: Kingbright datasheet (4 pp, sha256 5098d2332dcf971b, retrieved 2026-10-17, 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