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RKEF250

RKEF250

For Reference Only

Part Number RKEF250
PNEDA Part # RKEF250
Description PTC RESET FUSE 60V 2.5A RADIAL
Manufacturer Littelfuse
Unit Price Request a Quote
In Stock 54,096
Warehouses Shipped from Hong Kong SAR
Estimated Delivery Mar 15 - Mar 20 (Choose Expedited Shipping)
Guarantee Up to 1 year [PNEDA-Warranty]*

RKEF250 Resources

Brand Littelfuse
ECAD Module ECAD
Mfr. Part NumberRKEF250
CategoryPowerCircuit ProtectionPTC Resettable Fuses
Datasheet
RKEF250, RKEF250 Datasheet (Total Pages: 7, Size: 681.86 KB)
PDFRKEF110K Datasheet Cover
RKEF110K Datasheet Page 2 RKEF110K Datasheet Page 3 RKEF110K Datasheet Page 4 RKEF110K Datasheet Page 5 RKEF110K Datasheet Page 6 RKEF110K Datasheet Page 7

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RKEF250 Specifications

ManufacturerLittelfuse Inc.
SeriesPolySwitch®, RKEF
TypePolymeric
Voltage - Max60V
Current - Max40A
Current - Hold (Ih) (Max)2.5A
Current - Trip (It)5A
Time to Trip15.6s
Resistance - Initial (Ri) (Min)40 mOhms
Resistance - Post Trip (R1) (Max)140 mOhms
Resistance - 25°C (Typ)-
Operating Temperature-40°C ~ 85°C
Ratings-
Mounting TypeThrough Hole
Package / CaseRadial, Disc
Size / Dimension0.512" L x 0.150" W (13.00mm x 3.81mm)
Height - Seated (Max)0.740" (18.80mm)
Thickness (Max)-
Lead Spacing0.200" (5.08mm)

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Current - Trip (It)

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Resistance - Post Trip (R1) (Max)

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Series

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Current - Max

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Current - Hold (Ih) (Max)

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Current - Trip (It)

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Resistance - Post Trip (R1) (Max)

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Current - Trip (It)

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Resistance - Post Trip (R1) (Max)

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0.039" (1.00mm)

Lead Spacing

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Current - Hold (Ih) (Max)

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Current - Trip (It)

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Resistance - Initial (Ri) (Min)

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