CITIZEN CLU038-1205C4 COB LED Datasheet

Technical datasheet for the CITIZEN CLU038-1205C4 COB Series LED, detailing electro-optical characteristics, mechanical dimensions, and reliability…

Brand: Citizen
Category: LED Driver Controller
Document type: Datasheet
Language: English
Pages: 15
File format: PDF
File size: 695 KB
Published: 14 October, 2026
Updated: 14 October, 2026
MD5 checksum: 97B3F14B310E155BE5156B78F7F86E20
PDF: CITIZEN CLU038-1205C4 COB LED Datasheet PDF

About this manual

This document is a technical data sheet for the CITIZEN CLU038-1205C4 model within the CITILED COB Series. It provides comprehensive information on performance characteristics, including electro-optical properties such as luminous flux, efficacy, and chromaticity coordinates at various color temperatures ranging from 2700K to 6500K.

What's inside

Introduction
Performance Characteristics
Chromaticity Characteristics
Mechanical Dimensions
Characteristic Curves
Reliability Test

Specifications

Package Structure	Aluminum Base Chip on Board
Mechanical Dimensions	19.0×19.0×1.4 (mm)
CRI	80Min.
Nominal CCT Options	2,700K, 3,000K, 3,500K, 4,000K, 5,000K ,6,500K
Thermal Resistance	0.68C/W
Maximum Drive Current	1150 mA

Frequently asked questions

What is the minimum CRI for this LED?

The document specifies a minimum CRI (Ra) of 80.

What are the available nominal color temperatures?

Available options include 2,700K, 3,000K, 3,500K, 4,000K, 5,000K, and 6,500K.

What is the maximum forward current rating?

The absolute maximum rating for forward current is 1150 mA.

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