Littlefuse RXEF050 0.5A Polyswitch Fuse

MPN: RXEF050
Brand: Raychem
Order Code: 26-0720
Country of Origin: China

RoHS Compliant
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Qty	Unit Price (Ex VAT)
5+	£0.288
50+	£0.250
100+	£0.207

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Despatched same day - 2,080 in stockAdditional 1,000 due on 28/10/2026

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The Littelfuse Polyswitch is a resettable device that performs like a fuse under overcurrent conditions, but is unique in that it will reset. As soon as an overcurrent condition is reached the Polyswitch heats up to its trip temperature.

Trip current 1A
Trip time 4 sec
Hold current 0.5A
Max voltage 72V
Max current 40A
Radial leaded package
Initial resistance 0.5 to 0.77R
Post-trip resistance 1.17R
Lead pitch 5.1mm
Dimensions 7.9mm x 7.6mm x 13.7mm
UL and TUV approved

Note: Previously manufactured by Raychem.

Type	Polyswitch
Voltage - Max	72V
Current	0.5A
Package/ Case	Radial leaded
Current - Max	40A
Current - Trip	1A
Height	13.7mm
Initial Resistance	0.77O
Lead Spacing	5.1mm
Size/ Dimension	7.9mm
Time to Trip	4s