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Vishay Intertechnology Releases New Series of Non-Magnetic, Non-Inductive Axial Lead Wirewound Resistors
Ideal For Audio and Medical Applications, Devices Feature High Power Ratings to 12 W and Operating Temperature to +350 °C
MALVERN, Pa. — April 17, 2014 — Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new series of non-magnetic, non-inductive axial lead wirewound resistors with high power ratings to 12 W and high-temperature operation to +350 °C, which is ideal for high-end audio and medical imaging equipment.
For radio frequency (RF) and operational amplifier applications, the non-magnetic and all-welded construction of the Vishay Mills MRA series devices, from the Vishay Dale Resistors division, greatly enhances frequency response. Combined with a non-inductive Ayrton-Perry winding, inductive reactance and signal loss are virtually eliminated.
The resistors provide power ratings from 4 W to 12 W at 25 °C and temperature ranges from -65 °C to +250 °C (characteristic U) and -65 °C to +350 °C (characteristic V). The devices offer resistance from 0.01 Ω to 85.0 kΩ, with tolerances of ± 1 %, ± 5 %, and ± 10 %, and TCR of ± 90 ppm/°C for resistance below 0.99 ?, ± 50 ppm/°C for resistance from 1.0 Ω to 9.9 Ω, and ± 30 ppm/°C for resistance of 10 Ω and above.
MRA resistors are RoHS-compliant and comply with Vishay Green standards.
Device Specification Table:
|Model||Power Rating P25° C (W)||Resistance Range (Ω)|
|Characteristic U +250 °C||Characteristic V +350 °C|
|MRA-05||4.0||5.0||0.01 to 15.0 k|
|MRA-10||7.0||10.0||0.05 to 35.0 k|
|MRA-12||10.0||12.0||0.05 to 85.0 k|
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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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