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KR supercapacitor

Eaton’s KR family of supercapacitors replaces button cell batteries (and the battery holder) for real-time clock back-up power and provides ridethrough for battery-operated devices to allow time for battery replacements. The KR has an excellent lifetime in typical 3.6 V systems. The family is RoHS compliant. 

KR supercapacitor
Industry standard for real-time clock back-up
Low height
Replace coin cell batteries

Coin cell supercapacitor product aid

5.5 V supercapacitors for hold-up & memory back-up applications