Resistors offer improved thermo cycling performance

2nd July 2014
Source: Vishay
Posted By : Nat Bowers
Resistors offer improved thermo cycling performance

With devices now available in the 0406 and 1225 case sizes, Vishay Intertechnology has extended the RCL e3 series of long side termination thick film chip resistors. The AEC-Q200 qualified RCL e3 series features enhanced thermo cycling performance for automotive electronic circuits and general purpose applications.

The RCL0406 e3, RCL0612 e3, RCL1218 e3 and RCL1225 e3 resistors provide increased power ratings to 0.25, 0.5, 1.0 and 2.0W, respectively, and operating voltages of 50, 75, 200 and 200W, respectively. The devices also feature wide terminals enabling high power dissipation, tolerances of 1 and 5%, TCR of ±100 and ±200ppm/K, and a resistance range from 1Ω to 2.2MΩ.

The small 0406, 0612, 1218, and 1225 case sizes help to save space on densely packed PCBs and also allow a higher number of temperature cycles. This improves solder-joint reliability. The RCL e3 series resistors have a protective overglaze and pure tin solder contacts on a nickel barrier layer. this enables compatibility with lead (Pb)-free and lead-containing soldering processes.

The devices are compliant to RoHS directive 2011/65/EU and halogen-free according to the JEDEC JS709A definition.

Samples and production quantities of the RCL e3 resistors are available now, with lead times of six to eight weeks for larger orders.

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