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Selection Guide Fuse Characteristics, Terms and ...

Selection GuideFuse Characteristics, Termsand Consideration FactorsFUSEOLOGY Selection Guide fuse Characteristics, Terms and Consideration FactorsTable of ContentsPageFuse Characteristics, Terms and Consideration Factors2 4 fuse Selection Checklist5 7 PTC Characteristics and Terms8 9 PTC Product Applications10 Typical PTC Circuit Protection Designs11 Standards12 14 PTC Selection Worksheet15 fuse and PTC Products Selection Guide16 18 Packaging and Part Numbering19 Legal Disclaimers20 About this guideFuses are current-sensitive devices that provide reliable protection for discrete components or circuits by melting under current overload conditions.

SELECTION CHECKLIST, special attention must be given to items 1, 3, and 6, namely, normal operating current, ambient temperature, and pulses. For example, one prevalent cause of nuisance opening in conventional power supplies is the failure to adequately

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