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The QAS254K600D100 is a polyester film snubber capacitor manufactured by Cornell Dubilier Knowles. It features a capacitance of 0.25 µF with a ±10% tolerance and a DC voltage rating of 600 VDC, alongside an AC rating of 250 VAC. The component integrates a 100 Ohm internal resistor for arc suppression. Designed for radial through-hole mounting, it operates within a temperature range of -55°C to +85°C. Physical dimensions are 36.8 mm in length, 10.6 mm in width, and 19 mm in height, with a lead spacing of 30.5 mm.
Verify the specific suffix configuration against official Cornell Dubilier Knowles documentation to ensure correct resistance value and voltage rating. Confirm that the radial lead spacing matches the target PCB footprint requirements. Check for RoHS compliance status if required by the end application standards. Ensure storage conditions maintain component integrity prior to assembly.
Select this component when integrated RC snubbing is required to suppress voltage spikes and electrical arcing in high-voltage DC or AC circuits. The built-in resistor eliminates the need for external discrete resistors, saving board space. Verify that the operating temperature range and voltage derating curves meet the specific circuit demands before finalizing the design.
The QAS series represents Cornell Dubilier Knowles' specialized line of arc suppressor and snubber network capacitors. These components combine film capacitance with internal resistive elements to provide compact solutions for transient suppression. This series is engineered for durability in harsh electrical environments where rapid switching occurs.
Publicly confirmed substitute part numbers are not available in the provided source material.