# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Vishay VLMK31... User Guide

Summary

Discover high-intensity Surface Mount Device (SMD) LEDs designed for demanding professional applications. This reliable, RoHS compliant semiconductor component provides exceptional brightness and is engineered for integration into automotive dashboards, telecommunications gear, display backlighting, and specialized office equipment. The accompanying manual serves as a comprehensive datasheet, detailing electrical limits, thermal parameters, optimal optical characteristics, and detailed installation guidelines necessary for precise product implementation. Ideal for manufacturers requiring high-performance, reliable lighting solutions across various industrial electronics sectors.

📄 Preview 📖 Table of Contents Contents PAGE OF 9

Page 1 Text Content

VLMK31..

Vishay Semiconductors

High Intensity SMD LED

FEATURES SMD LED with exceptional brightness Luminous intensity categorized Compatible with automatic placement

equipment EIA and ICE standard package Compatible with IR Reflow, vapor phase and wave solder processes according to CECC 00802 and J-STD-020C Available in 8 mm tape Low profile package Non-diffused lens: excellent for coupling to light pipes and backlighting Low power consumption Luminous intensity ratio in one packaging unit IVmax/IVmin ≤ 1.6 Lead (Pb)-free device-Ro HS compliant Preconditioning acc. to JEDEC Level 2a ESD-withstand voltage: up to 2 k V according to JESD22-A114-B

DESCRIPTION APPLICATIONS This device has been designed to meet the increasing Automotive: Backlighting in dashboards and demand for Al In Ga P technology. switches The package of the VLMK31.. is the PLCC-2. Telecommunication: Indicator and backlighting in It consists of a lead frame which is embedded in a telephone and fax white thermoplast. The reflector inside this package is Indicator and backlight for audio and video equip- filled up with clear epoxy. ment Indicator and backlight in office equipment Flat backlight for LCDs, switches and symbols General use

PARTS TABLE PART COLOR, LUMINOUS INTENSITY ANGLE OF HALF INTENSITY (± ϕ) TECHNOLOGY

VLMK31P2S1-GS08 Red, IV = (56 to 224) mcd 60° Alln Ga P on Ga As

VLMK31P2S1-GS18 Red, IV = (56 to 224) mcd 60° Alln Ga P on Ga As

VLMK31Q1R2-GS08 Red, IV = (71 to 180) mcd 60° Alln Ga P on Ga As

VLMK31Q1R2-GS18 Red, IV = (71 to 180) mcd 60° Alln Ga P on Ga As

VLMK31R1S1-GS08 Red, IV = (112 to 224) mcd 60° Alln Ga P on Ga As

VLMK31R1S1-GS18 Red, IV = (112 to 224) mcd 60° Alln Ga P on Ga As

Document Number 81329 www.vishay.com Rev. 1.0, 03-May-06

Page Summary Contents For Vishay VLMK31... User Guide

Page 1 VLMK31.. Vishay Semiconductors High Intensity SMD LED FEATURES SMD LED with exceptional brightness Luminous intensity categorized Compatible with automatic placement equipment EIA and ICE standard pac...
Page 2 VLMK31.. Vishay Semiconductors ABSOLUTE MAXIMUM RATINGS1), VLMK31.. PARAMETER TEST CONDITION SYMBOL VALUE UNIT Reverse voltage2) DC Forward current Tamb ≤ 85 °C IF m A Surge forward current tp ≤ 10 µs...
Page 3 VLMK31.. Vishay Semiconductors TYPICAL CHARACTERISTICS or ar ur re nt el at iv Lu in ou In te ns ity re l- or ar ur re nt Tamb = 25 °C unless otherwise specified Tamb - Ambient Temperature (°C)16615 -...
Page 4 VLMK31.. Vishay Semiconductors re el at iv Lu in ou In te ns ity 2.05 IF = 20 m A Tamb – Ambient Temperature (°C)16618 Tamb - Ambient Temperature (°C)16617 2. Figure 7. Rel. Luminous Intensity vs. Amb...
Page 5 VLMK31.. Vishay Semiconductors METHOD OF TAPING/POLARITY AND TAPE AND REEL SMD LED (VLM3 - SERIES) REEL PACKAGE DIMENSION IN MM FOR Vishay’s LEDs in SMD packages are available in an SMD LEDS, TAPE OPT...
Page 6 VLMK31.. em pe ra tu re °C em pe ra tu re °C Vishay Semiconductors SOLDERING PROFILE BARCODE-PRODUCT-LABEL EXAMPLE: IR Reflow Soldering Profile for lead free soldering Preconditioning acc. to JEDEC Le...
Page 7 VLMK31.. Vishay Semiconductors DRY PACKING The reel is packed in an anti-humidity bag to protect CAUTION This bag contains the devices from absorbing moisture during trans- MOISTURE –SENSITIVE DEVICES...
Page 8 VLMK31.. Vishay Semiconductors OZONE DEPLETING SUBSTANCES POLICY STATEMENT It is the policy of Vishay Semiconductor Gmb H to 1. Meet all present and future national and international statutory require...
Page 9 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibi...

Manual Details

Brand Vishay
Pages 9
File Size 169.79 KB
Published June 05, 2026
32 views

Enter the captcha to get the download link:

captcha

Frequently Asked Questions

What is the intended application for the VLMK31 LED?

It is designed for automotive backlighting in dashboards, and general indicators/backlighting in telecommunication and office equipment.

Is the device compliant with environmental standards?

Yes, it is Lead (Pb)-free, RoHS compliant, and compatible with common solder processes like IR Reflow, vapor phase, and wave soldering.

What are the absolute maximum ratings for VLMK31?

The junction temperature range is -40 to +100 °C amb. It can also withstand an ESD voltage up to 2 kV.

How is the LED packaged?

It comes in a PLCC-2 package, which includes a lead frame embedded in white thermoplast, and has a low profile for good coupling to light pipes.