Vishay TLDR5400 User Guide and Manual
Summary
This deep red, diffused LED offers exceptional brightness and a wide viewing angle, making it ideal for general illumination and indicator applications. This technical manual provides engineers and designers with comprehensive data on electrical characterization, including absolute maximum ratings, power dissipation curves, luminous intensity versus current, and operational parameters across various temperatures. It is essential reading for integrating ambient lighting solutions into indoor/outdoor displays or portable electronic equipment requiring lead-free performance.
Page 1 Text Content
TLDR5400
VISHAY
Vishay Semiconductors
High Intensity LED, ∅ 5 mm Tinted Diffused
Description This LED contains the double heterojunction (DH) Ga Al As on Ga As technology. This deep red LED can be utilized over a wide range of drive current. It can be DC or pulse driven to achieve desired light output. The device is available in a tinted diffused 5 mm pack- age with a wide radiation angle.
Pb Features e2 Pb-free
Exceptional brightness
Very high intensity even at low drive currents Applications Wide viewing angle Bright ambient lighting conditions Low forward voltage Battery powered equipment 5 mm (T-1¾) tinted diffused package Indoor and outdoor information displays Deep red color Portable equipment Categorized for luminous intensity Telecommunication indicators Outstanding material efficiency General use Lead-free device
Parts Table
Part Color, Luminous Intensity Angle of Half Intensity (±ϕ) Technology
TLDR5400 Red, IV > 35 mcd Ga AIAs on Ga As
Absolute Maximum Ratings Tamb = 25 °C, unless otherwise specified TLDR5400
Parameter Test condition Symbol Value Unit
Reverse voltage VR
DC Forward current IF m A
Surge forward current tp ≤ 10 µs IFSM
Power dissipation Tamb ≤ 65 °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
Document Number 83003 www.vishay.com Rev. 1.4, 30-Aug-04
Page Summary Contents For Vishay TLDR5400 User Guide and Manual
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 6 |
| File Size | 182.86 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
Are there restrictions on how this LED can be used?
Customers must indemnify Vishay against claims if used for any unintended or unauthorized application, particularly excluding medical or life-sustaining uses.
What is the permissible operating temperature range?
The device's operating ambient temperature range is specified as -40 to +100 °C.
Does the LED support pulsed drive modes?
Yes, it can be driven either by DC current or by pulse drive to achieve desired light output.
What color and type of packaging is this high intensity LED?
It is available in a deep red color within a tinted diffused 5 mm package.