PTC Resettable Fuses

Results: 3
Series
PolySwitch®, RUEFPolySwitch®, RXEF
Packaging
BagCut Tape (CT)Tape & Reel (TR)
Voltage - Max
30V72V
Current - Hold (Ih) (Max)
300 mA2.5 A3 A
Current - Trip (It)
600 mA5 A6 A
Current - Max
40 A100 A
Time to Trip
3 s10.3 s10.8 s
Resistance - Initial (Ri) (Min)
20 mOhms880 mOhms
Resistance - Post Trip (R1) (Max)
70 mOhms80 mOhms2.1 Ohms
Size / Dimension
0.291" Dia x 0.118" T (7.40mm x 3.00mm)0.449" L x 0.118" W (11.40mm x 3.00mm)
Height - Seated (Max)
0.500" (12.70mm)0.650" (16.50mm)0.720" (18.30mm)
Lead Spacing
0.199" (5.05mm)0.200" (5.08mm)
Stocking Options
Environmental Options
Media
Marketplace Product
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Mfr Part #
Quantity Available
Price
Series
Package
Product Status
Type
Voltage - Max
Current - Hold (Ih) (Max)
Current - Trip (It)
Current - Max
Time to Trip
Resistance - Initial (Ri) (Min)
Resistance - Post Trip (R1) (Max)
Operating Temperature
Ratings
Mounting Type
Package / Case
Size / Dimension
Height - Seated (Max)
Thickness (Max)
Lead Spacing
RUEF300,400,500,600,700,800,900 Series
RUEF300-2
PTC RESET FUSE 30V 3A RADIAL
Littelfuse Inc.
8,069
In Stock
1 : ¥4.43000
Cut Tape (CT)
2,500 : ¥1.86803
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
30V
3 A
6 A
100 A
10.8 s
20 mOhms
80 mOhms
-40°C ~ 85°C
-
Through Hole
Radial, Disc
0.449" L x 0.118" W (11.40mm x 3.00mm)
0.650" (16.50mm)
-
0.199" (5.05mm)
RXE(F)030
RXEF030
PTC RESET FUSE 72V 300MA RADIAL
Littelfuse Inc.
6,067
In Stock
2,000 : ¥1.38143
Bag
1 : ¥3.20000
Bag
Bag
Bag
Active
Polymeric
72V
300 mA
600 mA
40 A
3 s
880 mOhms
2.1 Ohms
-40°C ~ 85°C
-
Through Hole
Radial, Disc
0.291" Dia x 0.118" T (7.40mm x 3.00mm)
0.500" (12.70mm)
-
0.200" (5.08mm)
RUEF90,110,135,160,185,250 Series
RUEF250-2
PTC RESET FUSE 30V 2.5A RADIAL
Littelfuse Inc.
5,498
In Stock
1 : ¥4.19000
Cut Tape (CT)
3,000 : ¥1.70832
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
30V
2.5 A
5 A
100 A
10.3 s
20 mOhms
70 mOhms
-40°C ~ 85°C
-
Through Hole
Radial, Disc
0.449" L x 0.118" W (11.40mm x 3.00mm)
0.720" (18.30mm)
-
0.199" (5.05mm)
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PTC Resettable Fuses

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.