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SMLEN3BC8TT86

ROHM Semicon · LED Indication - Discrete · 0603

SMLEN3BC8TT86 from ROHM Semicon, 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, marked by the cathode index on the package; forward current IF max 20mA (100mA peak at duty 1/10, 1kHz) and reverse voltage VR max 5V.
2 A passive Anode of the blue InGaN LED; VF 2.5 to 3.3V (typ 2.9V) at IF=5mA, forward current IF max 20mA.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
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 2.5 2.9 3.3 V IF=5mA 2
Luminous Intensity IV 14 40 90 mcd IF=5mA 2
Reverse Current IR 10 μA VR=5V 2
Dominant Wavelength λD 464 470 476 nm IF=5mA 2
Dominant Wavelength Tolerance λD -1 1 nm Footnote 4: Tolerance ±1nm 2
Forward Current IF 20 mA Ta=25℃ 2
Peak Forward Current IFP 100 mA Ta=25℃, Duty 1/10, 1kHz 2
Power Dissipation PD 66 mW Ta=25℃ 2
Reverse Voltage VR 5 V Ta=25℃ 2
Operation Temperature Topr -40 85 ℃ 2
Storage Temperature Tstg -40 100 ℃ 2
Junction Temperature TjMax 100 ℃ 17
Thermal Resistance (Junction/Solder Point) Rθj-s 630 ℃/W Evaluation board: glass epoxy FR4 30x10mm, t=1.6mm; pad Cu 1.4x0.5mm (cathode), t=0.07mm 17
Thermal Resistance (Junction/Ambient) Rθj-a 740 ℃/W Evaluation board: glass epoxy FR4 30x10mm, t=1.6mm; pad Cu 1.4x0.5mm (cathode), t=0.07mm 17

CAD (KiCad official)

  • Symbol: SMLEN3BC8TT86
  • Footprint: LED_SMD:LED_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: smlen3bc8tt86-etched.step / smlen3bc8tt86-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smlen3bc8tt86.step / smlen3bc8tt86.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (22 pp, sha256 bb3a45bede819ac8, 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