Vishay Semiconductor TLLG R Y440 Low Current LED specifications
Summary
Discover high-brightness, low-power diffused LEDs available in Red, Yellow, and Green colors. This comprehensive technical manual provides detailed electrical and optical specifications, covering absolute maximum ratings, luminous intensity curves, and performance data across various operating temperatures. Essential for electronics engineers and designers building reliable low-current indication or lighting systems. Features include RoHS compliance and high efficiency for demanding DC circuitry applications.
Page 1 Text Content
TLLG/R/Y440. Vishay Semiconductors
Low Current LED in ∅ 3 mm Tinted Diffused Package
FEATURES Low power consumption High brightness CMOS/MOS compatible
Specified at IF = 2 m A Luminous intensity categorized Yellow and green color categorized Lead (Pb)-free component Component in accordance to Ro HS 2002/95/EC and WEEE 2002/96/EC
PRODUCT GROUP AND PACKAGE DATA Product group: LED
APPLICATIONS
Package: 3 mm
Low power DC circuits
Product series: low current Angle of half intensity: ± 25°
PARTS TABLE PART COLOR, LUMINOUS INTENSITY TECHNOLOGY
TLLR4400 Red, IV > 0.63 mcd Ga As P on Ga P TLLR4401 Red, IV > 1 mcd Ga As P on Ga P TLLY4400 Yellow, IV > 0.63 mcd Ga As P on Ga P TLLY4401 Yellow, IV > 1 mcd Ga As P on Ga P TLLG4400 Green, IV > 0.63 mcd Ga P on Ga P TLLG4401 Green, IV > 1 mcd Ga P on Ga P
ABSOLUTE MAXIMUM RATINGS1) TLL.440. PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Reverse voltage VR DC Forward current IF m A Surge forward current tp ≤ 10 μs IFSM 0.15
Power dissipation Tamb ≤ 84 °C PV m W
Junction temperature Tj °C Operating temperature range Tamb - 40 to + 100 °C Storage temperature range Tstg - 55 to + 100 °C Soldering temperature t ≤ 5 s, 2 mm from body Tsd °C
Thermal resistance junction/
Rth JA K/W
ambient Note: 1) Tamb = 25
°C, unless otherwise specified
Document Number 83029 www.vishay.com Rev. 1.5, 13-Sep-07
Page Summary Contents For Vishay Semiconductor TLLG R Y440 Low Current LED specifications
Manual Details
| Brand | Current |
|---|---|
| Pages | 8 |
| File Size | 122.44 KB |
| Published | May 18, 2026 |
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Frequently Asked Questions
What are the acceptable operating temperature ranges for this LED?
The product has an operating temperature range of -40 to +100 °C ambient.
Does this component comply with modern environmental standards?
Yes, it is Lead (Pb)-free and compliant with both RoHS 2002/95/EC and WEEE 2002/96/EC.
What is the maximum forward voltage rating?
The absolute maximum reverse voltage (R) is listed as 6V.
What are the typical luminous intensity ratings for yellow LEDs?
Typical luminous intensity at I = 2 mA is 1.2 mcd for both TLLY4400 and TLLY4401 models.