LED Lighting

LED Lighting - White

Part Number	Description / PDF	Quantity
GW Q9LR31.PM-M3N2-XX56-1-45-R18 OSRAM Opto Semiconductors, Inc.	OSCONIQ S 5050	1500
KW HHL532.TK-S2S8-4L07M0-2686-A-R18 OSRAM Opto Semiconductors, Inc.	OSLON BLACK FLAT S	3328
KW CSLPM2.CC-8L8M-4R9T-0-700-S OSRAM Opto Semiconductors, Inc.	OSLON SQUARE FLAT LED	600
LCW H9GP-JZKZ-4O9Q-1-350-R18-Z OSRAM Opto Semiconductors, Inc.	LED OSLON WM WHT 3500K 3SMD	574
LUW CEUN.CE-7K6L-HNJN-1-Z OSRAM Opto Semiconductors, Inc.	OSLON COMPACT CM	132
GW DASPA2.UC-HSHU-5C8G-KM-100-R18 OSRAM Opto Semiconductors, Inc.	LED OSCONIQ WHT COOL 6600K 1009	0
GW CS8PM1.EM-KULQ-A939-1-350-R18 OSRAM Opto Semiconductors, Inc.	LED OSLON SSL WHITE 2SMD	0
GW JDSTS2.EM-H5H8-A232-1-65-B-2-R33 OSRAM Opto Semiconductors, Inc.	LED WHITE 5700K DIFF 5630 SMD	0
GW PSLT33.EM-LXL3-XX51-1-150-G3-R18 OSRAM Opto Semiconductors, Inc.	LED DURIS S5 WHITE SMD	9000
GW PSLR32.EM-JSJU-XX53-1-120-R18 OSRAM Opto Semiconductors, Inc.	DURIS S 5 5000K	2330
GW Q9LR31.PM-M3N2-XX52-1-45-R18 OSRAM Opto Semiconductors, Inc.	OSCONIQ S 5050	1500
GW JCLPS2.EM-H3H8-A131-1-65-2-R33 OSRAM Opto Semiconductors, Inc.	LED DURIS WHITE 6500K SMD GEN2	0
LCW G6CP-EAFB-4L8N-0-140-R18-Z OSRAM Opto Semiconductors, Inc.	LED ADVANCED POWER TOPLED SMD	0
KW DCLMS1.PC-BYCX-5J7K-1-20-R18 OSRAM Opto Semiconductors, Inc.	LED TOPLED NEU WHITE 4500K 2SMD	0
LCW H9GP-JZLX-4L8N-1-350-R18-Z OSRAM Opto Semiconductors, Inc.	LED OSLON NEU WHITE 4000K 3SMD	410
GW JDSTS2.EM-HQHS-XX58-1-65-R18 OSRAM Opto Semiconductors, Inc.	LED DURIS E5 WARM WHT 2700K 2SMD	1720
LUW CEUN.CE-7K7L-HNJN-1-350-S OSRAM Opto Semiconductors, Inc.	LED OSLON WHITE COMPACT SMD	0
GW QSLR31.EM-LWLY-XX52-1-150-R18 OSRAM Opto Semiconductors, Inc.	OSCONIQ S 3030 LED LIGHTING	3000
GW JDSTS2.CM-H2H5-A232-1-65-2-R33 OSRAM Opto Semiconductors, Inc.	LED WHITE 5700K DIFF 5630 SMD	0
GW JDSTS2.CM-GVH2-A838-1-65-2-R33 OSRAM Opto Semiconductors, Inc.	LED WHITE 2700K DIFF 5630 SMD	0

LED Lighting - White

1. Overview

White Light-Emitting Diodes (LEDs) are semiconductor devices that convert electrical energy into visible white light. They represent a fundamental shift from traditional lighting technologies due to their energy efficiency, longevity, and controllability. Modern white LEDs primarily use blue-emitting chips coated with phosphor materials to produce broad-spectrum white light, enabling precise color tuning and dimming capabilities.

2. Major Types & Functional Classification

Type	Functional Features	Application Examples
Blue Chip + Yellow Phosphor	Cost-effective, CRI 70-90, correlated color temperature (CCT) 2700-6500K	General lighting, residential bulbs
RGB Tri-color	Tunable color output, high CRI (>90), complex driver requirements	Stage lighting, architectural accenting
UV Chip + RGB Phosphor	Enhanced color rendering, reduced blue light hazard	Museum lighting, medical diagnostics
Remote Phosphor	Uniform light distribution, improved thermal management	Commercial downlights, automotive headlamps

3. Structure & Components

Typical white LED construction includes:

Die: Gallium Nitride (GaN) on sapphire substrate emitting blue light (450nm)
Phosphor Layer: Cerium-doped YAG (Y₃Al₅O₁₂) converting blue to yellow wavelengths
Encapsulation: Silicon dioxide lens with secondary optical elements
Thermal Interface: Metal-core PCB (MCPCB) for heat dissipation
Driver Circuit: Constant current source with EMI filtering

4. Key Technical Parameters

Parameter	Typical Range	Importance
Luminous Flux	100-20,000 lm	Determines light output capability
Color Temperature	2700K-6500K	Affects ambiance and visual comfort
Color Rendering Index (CRI)	70-98	Measures color fidelity accuracy
Luminous Efficacy	100-200 lm/W	Energy conversion efficiency metric
Lifespan	25,000-100,000 hrs	Total cost of ownership factor
Forward Voltage	2.8-3.6 V	Driver design specification

5. Application Fields

Residential: Smart bulbs, under-cabinet lighting
Commercial: Retail accent lighting, office panel lights
Industrial: High-bay warehouse fixtures, machine vision systems
Transportation: Automotive headlights, aircraft cabin lighting
Healthcare: Surgical lighting, circadian rhythm regulation

6. Leading Manufacturers & Products

Manufacturer	Key Product Series	Technical Highlights
Signify (Philips)	Luxeon 3535L	180 lm/W efficacy, 90 CRI, automotive grade
OSRAM Opto	Ostar Lighting	Surface-mount package, 2000cd/m luminance
Cree (Wolfspeed)	XHP50.2	High-density emitter, 20A drive current capability
Seoul Semiconductor	WICOP2	Chip-level integration, 0.2W-100W scalability

7. Selection Recommendations

Key considerations:

Optical requirements: Match CRI and CCT to application needs
Thermal management: Select appropriate heatsink and package type
Electrical compatibility: Verify driver specifications and dimming protocols
Form factor: Consider footprint constraints (e.g., 2835, 5630 packages)
Regulatory compliance: Ensure ENERGY STAR, DLC, or UL certification

8. Industry Trends

Emerging developments include:

Micro-LED integration for displays and Li-Fi communication
Quantum dot phosphors expanding color gamut (NTSC >100%)
Smart lighting systems with IoT connectivity (Zigbee, Bluetooth Mesh)
Advanced thermal materials (graphene MCPCBs)
Regulatory shifts toward higher minimum efficacy standards (DOE 2023: 120 lm/W)