Products, Materials & Tools | Mar 01, 2012

Vishay Intertechnology Releases New 1 W White LEDs in Little Star® Package

Vishay Intertechnology, Inc. (NYSE: VSH) today expanded its Little Star® family of SMD power LEDs with a new series of 1 W cool, neutral, and warm white devices that utilize nitride phosphor for enhanced color stability over temperature. Combining extraordinarily high brightness with a compact package outline, the VLMW712xxx LEDs offer a low thermal resistance of 10 K/W and high luminous intensity for a wide range of applications.

Featuring an SMD power package with a compact 6.0 mm by 6.0 mm footprint and ultra-low profile of 1.5 mm, Vishay’s new Little Star LEDs are among the most robust and light-efficient products on the market. The devices are designed for a high current drive of up to 350 mA, and offer extremely bright luminous intensity to 33,500 mcd typical and a typical luminous flux from 67.2 lm to 113.6 lm.

With their high brightness and low profile, VLMW712xxx series LEDs are suitable for conventional lighting and specialized applications. Typical end products will include traffic signal lights, architectural lighting, tube lights, indoor and outdoor video and advertising lighting, garden lights, and general lighting; and indicator and backlighting for audio equipment and household appliances such as microwaves.

The devices feature a 60° half-intensity angle and 120° viewing angle, and are compatible with IR-reflow solder processes. The VLMW712xxx series LEDs comply with RoHS 2002/95/EC and WEEE 2002/96/EC, and withstand ESD up to 2 kV in accordance with JESD22-A114-B. Preconditioned according to JEDEC moisture sensitivity Level 2a standards, the Little Star package is lead (Pb)-free and RoHS-compliant.

Device Specification Table:

Part numberVLMW
712U2U3XV
VLMW
712T3U3US
VLMW
712T2T3QN
Color Cool white Neutral white Warm white
Technology InGaN InGaN InGaN
Typical luminous intensity 33,500 mcd 29,400 mcd 25,000 mcd
Luminous flux (mlm) 87,400 to 113,600 76,500 to 113,000 67,200 to 87,400
Forward current 350 mA 350 mA 350 mA
Power dissipation 1.4 W 1.4 W 1.4 W
Forward voltage (Max.) 4 V 4 V 4 V
Thermal resistance 10 K/W 10 K/W 10 K/W
Junction temperature (Max.) + 120 °C + 120 °C + 120 °C

 

Samples and production quantities of the new Little Star LEDs are available now, with lead times of eight weeks for larger orders.

About Vishay Intertechnology:
Vishay Intertechnology, Inc., a Fortune 1,000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay's product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at http://www.vishay.com.

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