Resistance - Initial (Ri) (Min) is 350 mOhms of PTC Resettable Fuses

Part StatusTypeVoltage - MaxCurrent - MaxCurrent - Hold (Ih) (Max)Current - Trip (It)Time to TripResistance - Initial (Ri) (Min)Resistance - Post Trip (R1) (Max)Resistance - 25°C (Typ)Operating TemperatureRatingsMounting TypePackage / CaseSize / DimensionHeight - Seated (Max)Thickness (Max)Lead Spacing
Image Part NO. Manufacturer Description Part StatusTypeVoltage - MaxCurrent - MaxCurrent - Hold (Ih) (Max)Current - Trip (It)Time to TripResistance - Initial (Ri) (Min)Resistance - Post Trip (R1) (Max)Resistance - 25°C (Typ)Operating TemperatureRatingsMounting TypePackage / CaseSize / DimensionHeight - Seated (Max)Thickness (Max)Lead Spacing
2920L050DR Littelfuse Inc. PTC RESET FUSE 60V 500MA 2920 ActivePolymeric60V10A500mA1A4s350 mOhms1.4 Ohms--40°C ~ 85°C-Surface Mount2920 (7351 Metric), Concave0.289" L x 0.202" W (7.35mm x 5.12mm)-0.049" (1.25mm)-
2920L075DR Littelfuse Inc. PTC RESET FUSE 30V 750MA 2920 ActivePolymeric30V40A750mA1.5A300ms350 mOhms1 Ohms--40°C ~ 85°C-Surface Mount2920 (7351 Metric), Concave0.289" L x 0.202" W (7.35mm x 5.12mm)-0.049" (1.25mm)-
MF-SM050-2 Bourns Inc. PTC RESET FUSE 60V 500MA 2SMD ActivePolymeric60V40A500mA1A4s350 mOhms1.4 Ohms--40°C ~ 85°CAEC-Q200Surface Mount2-SMD0.287" L x 0.214" W (7.31mm x 5.44mm)-0.125" (3.18mm)-
MF-SM050-2-99 Bourns Inc. PTC RESET FUSE 60V 500MA 2SMD Last Time BuyPolymeric60V40A500mA1A4s350 mOhms1.4 Ohms--40°C ~ 85°CAEC-Q200Surface Mount2-SMD0.287" L x 0.214" W (7.31mm x 5.44mm)-0.125" (3.18mm)-
SMD050-2 Littelfuse Inc. PTC RESET FUSE 60V 500MA 2SMD ObsoletePolymeric60V10A500mA1A4s350 mOhms1.4 Ohms--40°C ~ 85°C-Surface Mount2-SMD0.290" L x 0.202" W (7.36mm x 5.12mm)-0.125" (3.18mm)-
SMD050F-2 Littelfuse Inc. PTC RESET FUSE 60V 500MA 2SMD ActivePolymeric60V10A500mA1A4s350 mOhms1.4 Ohms--40°C ~ 85°C-Surface Mount2-SMD0.290" L x 0.202" W (7.36mm x 5.12mm)-0.125" (3.18mm)-
SMD075-2 Littelfuse Inc. PTC RESET FUSE 30V 750MA 2SMD ObsoletePolymeric30V40A750mA1.5A300ms350 mOhms1 Ohms--40°C ~ 85°C-Surface Mount2-SMD0.290" L x 0.202" W (7.36mm x 5.12mm)-0.125" (3.18mm)-
SMD075F-2 Littelfuse Inc. PTC RESET FUSE 30V 750MA 2SMD ActivePolymeric30V40A750mA1.5A300ms350 mOhms1 Ohms--40°C ~ 85°C-Surface Mount2-SMD0.290" L x 0.202" W (7.36mm x 5.12mm)-0.125" (3.18mm)-
SMD075F/60-2 Littelfuse Inc. PTC RESET FUSE 60V 750MA 2SMD ActivePolymeric60V10A750mA1.5A300ms350 mOhms---40°C ~ 85°C-Surface Mount2-SMD0.290" L x 0.202" W (7.36mm x 5.12mm)-0.125" (3.18mm)-