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Image of Vishay CRCW-IF Series Pulse-Proof, Thick-Film Chip Resistors - Increased Pulse Load Capabilities

The chart shown here compares the specified maximum pulse power of 1206 sized CRCW-IF series parts (brown) versus that of standard 1206 sized thick-film resistors (blue). To make this comparison the single pulse capability charts found within the Vishay product datasheets, which allow for up to 1000 pulses, were used. The CRCW-IF series part has much higher pulse capabilities compared to the standard thick-film part. For long pulse durations (from 0.1 to 1 second) the CRCW-IF type with size 1206 can handle three to four times as much pulse power compared to the standard part. For very short pulse durations (in the 1µs to 100µs range), the CRCW-IF with size 1206 can handle 13 to 18 times as much.

PTM Published on: 2023-06-02