Mercedes has rolled out a prototype of its new SLS AMG E-CELL electric supercar, which looks set for small series production. The prototype features four electric motors positioned near each of the wheels, which produce 392 kW and 880 Nm of instantaneous torque and acceleration of zero to 100 km/h in 4 seconds — just 0.2 seconds under the performance of the 6.3-litre V8 SLS … [Read more...]
±0.5% Tolerance Chip NTC Thermistors
Murata Electronics North America added the ±0.5% tolerance option to its NCP series negative temperature coefficient (NTC) thermistor line. The ultra-tight tolerance thermistor is offered for consumer, industrial and automotive temperature ranges (-40°C to +150°C), and provides a low-cost alternative to integrated circuit (IC) based sensing solutions when high sensing accuracy … [Read more...]
ElectronicsCooling Spring 2010 Print Issue
Did you miss us? For those of you that are faithful readers of Electronics Cooling, we are pleased to inform you that after a short interval of restructuring, we have resumed publication. Given the recent downturn in the economy as a whole, and specifically within the electronics thermal management community, we can hope that this is a sign of improvement and recovery. We will … [Read more...]
electronics cooling in the automotive environment
Introduction By 2008 the electronics content of a typical consumer vehicle had grown to 20-25% of the total vehicle cost [1]. This content provides a wide range of functions and features for today’s driver. Some features such as the radio/audio system and instrument cluster are quite familiar and visible to the driver and have been mainstays in the automobile for many years. … [Read more...]
Health Assessment and Prognostics of Electronic Products: An Alternative to Traditional Reliability Prediction Methods
Introduction Traditional handbook-based reliability prediction methods for electronic products include Mil-Hdbk-217, Telcordia SR-332 (formerly Bellcore), PRISM, FIDES, CNET/RDF (European), and the Chinese GJB-299. These methods rely on analysis of failure data collected from the field and assume that the components of a system have inherent constant failure rates that are … [Read more...]
