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LED Indication - Discrete

Image Part Number Description / PDF Quantity Rfq
CTL1206FGR2T

CTL1206FGR2T

Venkel LTD

LED 1206 FLAT LENS GREEN

0
MCL0606FYW1RD1T

MCL0606FYW1RD1T

Venkel LTD

MULTI-COLOR LED 0606 FLAT LENS Y

0
CTL0402FBL1T-L

CTL0402FBL1T-L

Venkel LTD

LED 0402 FLAT LENS BLUE LOW PROF

12000
MCL1210FRGB1T

MCL1210FRGB1T

Venkel LTD

MULTI-COLOR LED 1210 FLAT LENS R

0
CTL1206FGR1T

CTL1206FGR1T

Venkel LTD

LED 1206 FLAT LENS GREEN(YELLOW

6386
MCL0404FRGB1U

MCL0404FRGB1U

Venkel LTD

MULTI-COLOR LED 0404 FLAT LENS R

62665
MCL1204ROG1BL1T

MCL1204ROG1BL1T

Venkel LTD

MULTI-COLOR LED 1204 R/A LENS OR

0
MCL0805FRGB1T

MCL0805FRGB1T

Venkel LTD

MULTI-COLOR LED 0805 FLAT LENS R

16000
CTL1206DOG1T

CTL1206DOG1T

Venkel LTD

LED 1206 DOME LENS ORANGE

0
MCL0606FRGB1T

MCL0606FRGB1T

Venkel LTD

MULTI-COLOR LED 0606 FLAT LENS R

6000
MCL0606FBL1RD1T

MCL0606FBL1RD1T

Venkel LTD

MULTI-COLOR LED 0606 FLAT LENS B

0
CTL0603FBL1T

CTL0603FBL1T

Venkel LTD

LED 0603 FLAT LENS BLUE

0
MCL0606FRD1GR2T

MCL0606FRD1GR2T

Venkel LTD

MULTI-COLOR LED 0606 FLAT LENS R

12000
CTL0603FOG1T

CTL0603FOG1T

Venkel LTD

LED 0603 FLAT LENS ORANGE

4000
CTL0603FGR3T

CTL0603FGR3T

Venkel LTD

LED 0603 FLAT LENS GREEN

0
CTL0603FPU1T

CTL0603FPU1T

Venkel LTD

LED 0603 FLAT LENS PURPLE

36000
CTL0603FYW1T

CTL0603FYW1T

Venkel LTD

LED 0603 FLAT LENS YELLOW

0

LED Indication - Discrete

1. Overview

Discrete Light Emitting Diodes (LEDs) are single-chip optoelectronic devices that convert electrical energy into light through electroluminescence. This product category forms the foundation of modern indication systems, offering advantages including low power consumption, long lifespan, and high reliability. Their importance spans across consumer electronics, industrial equipment, automotive systems, and communication infrastructure.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Visible LEDsEmits light in visible spectrum (400-700nm), available in multiple colorsIndicator lamps, display backlighting, decorative lighting
Infrared LEDsEmits 700nm-1mm wavelength radiation, invisible to human eyeRemote controls, security sensors, night vision systems
High-Brightness LEDsEnhanced luminous intensity (>1000mcd) with advanced packagingAutomotive lighting, outdoor displays, emergency signage
UV LEDsUltraviolet spectrum emission (280-400nm)Sterilization equipment, counterfeit detection, curing systems

3. Structure and Composition

Typical discrete LED construction includes:

  • Die: Semiconductor chip (GaN/InGaN for blue/green, AlGaInP for red)
  • Encapsulation: Epoxy or silicone lens for light extraction and protection
  • Lead Frame: Copper or iron alloy for electrical connection and heat dissipation
  • Phosphor Coating: Used in white LEDs for wavelength conversion
  • Reflective Cup: Optimizes light directionality

4. Key Technical Parameters

ParameterSignificanceTypical Range
WavelengthDetermines light color and application suitability375nm-940nm
Luminous IntensityMeasures brightness output (mcd)50-10,000mcd
Forward CurrentOperating current rating20-150mA
Forward VoltageElectrical potential drop1.8-3.6V
Viewing AngleLight emission spread measurement5 -120

5. Application Fields

Primary application sectors include:

  • Consumer Electronics: Mobile phone indicators, keyboard backlighting
  • Automotive: Dashboard indicators, brake light systems
  • Industrial: Machine status indicators, safety signage
  • Medical: Diagnostic equipment indicators, phototherapy devices
  • Telecommunications: Network equipment status lights

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Features
Cree Inc.XLamp XP-G3High brightness (3200mcd), 120 viewing angle
OSRAM OptoOSTAR ProjectionHigh-power LED for automotive lighting
Nichia Corp.NSHU5991UV LED (365nm) for curing applications
Everlight ElectronicsLTST-C19HE8WTTri-color LED for RGB indication

7. Selection Recommendations

Key consideration factors:

  • Spectral Requirements: Match wavelength to application needs
  • Environmental Conditions: Temperature range (-40 C to +85 C typical)
  • Power Constraints: Select appropriate current/voltage ratings
  • Optical Design: Consider lens type and viewing angle
  • Reliability: Check MTTF (Mean Time to Failure) specifications

Industry Development Trends

Current technology directions include:

  • Miniaturization: Development of micro-LED ( LED) with dimensions <50 m
  • Efficiency Improvement: Targeting >300lm/W efficacy for visible LEDs
  • Smart Integration: Incorporating driver ICs and sensors in LED packages
  • Material Innovation: GaN-on-silicon substrates for cost reduction
  • Regulatory Compliance: RoHS/REACH compliant packaging materials
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