Malvern, Pa. Vishay Intertechnology, Inc. has introduced a new high-precision Bulk Metal surface-mount Power Metal Strip resistor that features an improved load-life stability of +/-0.05% at +70°C for 2000 hours at rated power. This is in comparison to typical current sensing resistors that offer a load-life stability of ≥0.5% through a 1000-hour workload.
The improved resistance stability of the CSM2512S makes it suitable for tightened-stability voltage division and precision current sensing applications in switching linear power supplies, power amplifiers, measurement instrumentation, bridge networks, and medical and test equipment. In addition, the CSM2512S complies with EEE-INST-002 (MIL-PRF 55342 and MIL-PRF 49465) for military and space applications.
The CSM2512S provides a 1-W power rating and maximum current up to 18 A in a four-terminal Kelvin configuration for increased accuracy. Any value at any tolerance is available within the resistance range of 10 mΩ to 100 mΩ at no additional cost. In addition, the device offers an absolute temperature coefficient of resistance (TCR) of +/-15 ppm/°C from -55deg;C to +125°C, +25°C Ref., and a tolerance of +/-0.1%.
The CSM2512S's all-welded construction is composed of a Bulk Metal resistive element with plated copper terminations. The resistor element is designed to uniformly dissipate power in order to minimize hot spots, and is compatible with the lead material, resulting in a low thermal EMF of 3 uV/°C.
Pricing: For U.S. delivery starts at $2.00.
Availability: Samples and production quantities are available now, with lead times of 72 hours for samples, and three weeks for standard orders.
Product information: CSM2512S
Vishay Intertechnology, www.vishay.com