Apr 16, 2014
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Precision Thin Film MELF Resistor comes in 0207 case size.

December 5, 2013 - Offering TCR down to ±5 ppm/K and tolerances down to ±0.02%, Vishay Beyschlag UMB 0207 series suits precision circuits in measurement and calibration equipment, industrial process control systems, aerospace electronics, and medical equipment. These Pb- and halogen-free, RoHS-compliant products, operating from -10 to +85°C, feature 100 Ω to 390 kΩ resistance range, 350 V operating voltage, rated power dissipation to 400 mW at +70 °C, and long-term stability down to <0.02% after 1,000 hr.
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Vishay Intertechnology's New Ultra-Precision Thin Film MELF Resistor is Industry's First with TCR to ±5 ppm/K, Tolerance to ±0.02 %, and Operating Voltage of 350 V in 0207 Case Size

Vishay
63 Lincoln Hwy., P.O. Box 4004
Malvern, PA, 19355, USA

MALVERN, Pa. — Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new series of high-precision thin film MELF resistors. Designed for demanding applications with high stability and reliability requirements, the Vishay Beyschlag UMB 0207 series devices are the industry's first MELF resistors to offer low TCR down to ±5 ppm/K and tolerances down to ±0.02 % in the standard 0207 case size.

The UMB 0207 series combines the proven reliability of professional MELF products with the most advanced level of precision and stability ever achieved with axial thin film high-precision resistors. This unique combination makes the devices perfectly suited for precision circuits in measurement and calibration equipment, industrial process control systems, aerospace electronics, and medical equipment.

The UMB 0207 offers a resistance range from 100 Ω to 390 kΩ, high operating voltage of 350 V, rated power dissipation to 400 mW at +70 °C, and excellent long-term stability down to < 0.02 % after 1,000 hours. Suitable for processing on automatic SMD assembly systems, the devices are completely "Green" — lead (Pb)-free, halogen-free, and RoHS-compliant without exemptions.

Device Specification Table:

Operation mode Precision Standard
Resistance range 100 Ω to 390 kΩ
TCR ±15 ppm/K; ±10 ppm/K; ±5 ppm/K
Tolerance ±0.25 %; ±0.1 %; ±0.05 %; ±0.02%
Rated dissipation P70 0.11 W 0.4 W
Operating voltage 350 V 350 V
Operating temp. range -10 șC to +85 șC -55 șC to +125 șC
Max. resistance change at P70 for resistance range, ΔR/R after 1,000 hours < 0,02 % < 0,05 %


Samples and production quantities of the UMB 0207 resistors are available now, with lead times of six weeks for larger orders. Pricing for U.S. delivery only begins at $0.89 per piece.

Vishay Intertechnology, Inc., a Fortune 1000 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 www.vishay.com.

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Contacts: View detailed contact information.

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