PTC Resettable Fuses

Results: 78
Packaging
BagBulkCut Tape (CT)Tape & Box (TB)Tape & Reel (TR)
Product Status
ActiveObsolete
Current - Hold (Ih) (Max)
900 mA1.1 A1.35 A1.6 A1.85 A2.5 A3 A4 A5 A6 A7 A8 A9 A
Current - Trip (It)
1.8 A2.2 A2.7 A3.2 A3.7 A5 A6 A8 A10 A12 A14 A16 A18 A
Time to Trip
5.9 s6.6 s7.3 s8 s8.7 s10.3 s10.8 s12.7 s14.5 s16 s17.5 s18.8 s20 s
Resistance - Initial (Ri) (Min)
5 mOhms10 mOhms20 mOhms30 mOhms40 mOhms70 mOhms
Resistance - Post Trip (R1) (Max)
20 mOhms30 mOhms40 mOhms50 mOhms70 mOhms80 mOhms90 mOhms110 mOhms130 mOhms170 mOhms220 mOhms
Operating Temperature
-40°C ~ 85°C-
Size / Dimension
0.291" Dia x 0.118" T (7.40mm x 3.00mm)0.291" L x 0.118" W (7.40mm x 3.00mm)0.299" L x 0.110" W (7.60mm x 2.80mm)0.350" L x 0.118" W (8.90mm x 3.00mm)0.402" Dia x 0.118" T (10.20mm x 3.00mm)0.402" L x 0.118" W (10.20mm x 3.00mm)0.449" L x 0.118" W (11.40mm x 3.00mm)0.551" L x 0.118" W (14.00mm x 3.00mm)0.551" L x 0.120" W (14.00mm x 3.00mm)0.650" L x 0.118" W (16.50mm x 3.00mm)0.752" L x 0.118" W (19.10mm x 3.00mm)0.850" L x 0.118" W (21.60mm x 3.00mm)0.949" L x 0.118" W (24.10mm x 3.00mm)0.949" L x 0.120" W (24.10mm x 3.00mm)
Height - Seated (Max)
0.480" (12.20mm)0.532" (13.50mm)0.559" (14.20mm)0.598" (15.20mm)0.618" (15.70mm)0.642" (16.30mm)0.650" (16.50mm)0.710" (18.03mm)0.720" (18.30mm)0.760" (19.30mm)0.839" (21.30mm)0.949" (24.10mm)1.008" (25.60mm)1.020" (25.90mm)
Lead Spacing
0.199" (5.05mm)0.200" (5.08mm)0.400" (10.15mm)
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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
RUEF90,110,135,160,185,250 Series
RUEF110
PTC RESET FUSE 30V 1.1A RADIAL
Littelfuse Inc.
6,596
In Stock
1 : ¥3.82000
Bag
Bag
ActivePolymeric30V1.1 A2.2 A100 A6.6 s70 mOhms170 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.291" Dia x 0.118" T (7.40mm x 3.00mm)0.559" (14.20mm)-0.199" (5.05mm)
RUEF90,110,135,160,185,250 Series
RUEF185
PTC RESET FUSE 30V 1.85A RADIAL
Littelfuse Inc.
47,069
In Stock
1 : ¥4.15000
Bag
Bag
ActivePolymeric30V1.85 A3.7 A100 A8.7 s30 mOhms90 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.402" Dia x 0.118" T (10.20mm x 3.00mm)0.618" (15.70mm)-0.199" (5.05mm)
RUEF90,110,135,160,185,250 Series
RUEF250
PTC RESET FUSE 30V 2.5A RADIAL
Littelfuse Inc.
10,223
In Stock
1 : ¥4.23000
Bag
Bag
ActivePolymeric30V2.5 A5 A100 A10.3 s20 mOhms70 mOhms--Through HoleRadial, Disc0.449" L x 0.118" W (11.40mm x 3.00mm)0.720" (18.30mm)-0.199" (5.05mm)
RUEF300,400,500,600,700,800,900 Series
RUEF300
PTC RESET FUSE 30V 3A RADIAL
Littelfuse Inc.
18,047
In Stock
1 : ¥4.63000
Bag
Bag
ActivePolymeric30V3 A6 A100 A10.8 s20 mOhms80 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.449" L x 0.118" W (11.40mm x 3.00mm)0.650" (16.50mm)-0.199" (5.05mm)
RUEF300,400,500,600,700,800,900 Series
RUEF400
PTC RESET FUSE 30V 4A RADIAL
Littelfuse Inc.
2,503
In Stock
1 : ¥5.53000
Bag
Bag
ActivePolymeric30V4 A8 A100 A12.7 s10 mOhms50 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.551" L x 0.118" W (14.00mm x 3.00mm)0.760" (19.30mm)-0.199" (5.05mm)
RUEF300,400,500,600,700,800,900 Series
RUEF500-2
PTC RESET FUSE 30V 5A RADIAL
Littelfuse Inc.
20,426
In Stock
1 : ¥6.75000
Cut Tape (CT)
1,500 : ¥2.95765
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V5 A10 A100 A14.5 s10 mOhms50 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.551" L x 0.120" W (14.00mm x 3.00mm)0.949" (24.10mm)-0.400" (10.15mm)
RUEF300,400,500,600,700,800,900 Series
RUEF600
PTC RESET FUSE 30V 6A RADIAL
Littelfuse Inc.
12,115
In Stock
1 : ¥6.91000
Bag
Bag
ActivePolymeric30V6 A12 A100 A16 s5 mOhms40 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.650" L x 0.118" W (16.50mm x 3.00mm)0.949" (24.10mm)-0.400" (10.15mm)
RUEF300,400,500,600,700,800,900 Series
RUEF900
PTC RESET FUSE 30V 9A RADIAL
Littelfuse Inc.
4,036
In Stock
1 : ¥9.02000
Bag
Bag
ActivePolymeric30V9 A18 A100 A20 s5 mOhms20 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.949" L x 0.118" W (24.10mm x 3.00mm)1.142" (29.00mm)-0.400" (10.15mm)
RUEF90,110,135,160,185,250 Series
RUEF090
PTC RESET FUSE 30V 900MA RADIAL
Littelfuse Inc.
21,835
In Stock
1 : ¥3.74000
Bag
Bag
ActivePolymeric30V900 mA1.8 A100 A5.9 s70 mOhms220 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.291" Dia x 0.118" T (7.40mm x 3.00mm)0.480" (12.20mm)-0.199" (5.05mm)
RUEF135
RUEF135
PTC RESET FUSE 30V 1.35A RADIAL
Littelfuse Inc.
23,109
In Stock
1 : ¥3.98000
Bag
Bag
ActivePolymeric30V1.35 A2.7 A100 A7.3 s40 mOhms130 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.350" L x 0.118" W (8.90mm x 3.00mm)0.532" (13.50mm)-0.199" (5.05mm)
RUEF90,110,135,160,185,250 Series
RUEF160
PTC RESET FUSE 30V 1.6A RADIAL
Littelfuse Inc.
4,676
In Stock
1 : ¥4.06000
Bag
Bag
Bag
ActivePolymeric30V1.6 A3.2 A100 A8 s30 mOhms110 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.350" L x 0.118" W (8.90mm x 3.00mm)0.598" (15.20mm)-0.199" (5.05mm)
RUEF135
RUEF135-2
PTC RESET FUSE 30V 1.35A RADIAL
Littelfuse Inc.
9,236
In Stock
1 : ¥4.23000
Cut Tape (CT)
3,000 : ¥1.75105
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V1.35 A2.7 A100 A7.3 s40 mOhms130 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.350" L x 0.118" W (8.90mm x 3.00mm)0.532" (13.50mm)-0.199" (5.05mm)
RUEF90,110,135,160,185,250 Series
RUEF160-2
PTC RESET FUSE 30V 1.6A RADIAL
Littelfuse Inc.
6,349
In Stock
1 : ¥4.39000
Cut Tape (CT)
3,000 : ¥1.78942
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V1.6 A3.2 A100 A8 s30 mOhms110 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.350" L x 0.118" W (8.90mm x 3.00mm)0.598" (15.20mm)-0.199" (5.05mm)
RUEF90,110,135,160,185,250 Series
RUEF185-2
PTC RESET FUSE 30V 1.85A RADIAL
Littelfuse Inc.
45,400
In Stock
1 : ¥4.47000
Cut Tape (CT)
3,000 : ¥1.82668
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V1.85 A3.7 A100 A8.7 s30 mOhms90 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.402" L x 0.118" W (10.20mm x 3.00mm)0.618" (15.70mm)-0.199" (5.05mm)
RUEF90,110,135,160,185,250 Series
RUEF250-2
PTC RESET FUSE 30V 2.5A RADIAL
Littelfuse Inc.
3,518
In Stock
1 : ¥4.55000
Cut Tape (CT)
3,000 : ¥1.87749
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V2.5 A5 A100 A10.3 s20 mOhms70 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.449" L x 0.118" W (11.40mm x 3.00mm)0.720" (18.30mm)-0.199" (5.05mm)
RUEF300,400,500,600,700,800,900 Series
RUEF400K
PTC RESET FUSE 30V 4A RADIAL
Littelfuse Inc.
3,659
In Stock
1 : ¥5.53000
Bag
Bag
ActivePolymeric30V4 A8 A100 A12.7 s10 mOhms50 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.551" L x 0.118" W (14.00mm x 3.00mm)0.839" (21.30mm)-0.199" (5.05mm)
RUEF300,400,500,600,700,800,900 Series
RUEF400-2
PTC RESET FUSE 30V 4A RADIAL
Littelfuse Inc.
13,872
In Stock
1 : ¥5.77000
Cut Tape (CT)
1,500 : ¥2.51562
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V4 A8 A100 A12.7 s10 mOhms50 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.551" L x 0.118" W (14.00mm x 3.00mm)0.760" (19.30mm)-0.199" (5.05mm)
RUEF300,400,500,600,700,800,900 Series
RUEF500
PTC RESET FUSE 30V 5A RADIAL
Littelfuse Inc.
12,067
In Stock
1 : ¥6.75000
Bag
Bag
Bag
ActivePolymeric30V5 A10 A100 A14.5 s10 mOhms50 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.551" L x 0.120" W (14.00mm x 3.00mm)0.949" (24.10mm)-0.400" (10.15mm)
RUEF300,400,500,600,700,800,900 Series
RUEF700
PTC RESET FUSE 30V 7A RADIAL
Littelfuse Inc.
7,136
In Stock
1 : ¥7.56000
Bag
Bag
ActivePolymeric30V7 A14 A100 A17.5 s5 mOhms30 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.752" L x 0.118" W (19.10mm x 3.00mm)1.020" (25.90mm)-0.400" (10.15mm)
RUEF300,400,500,600,700,800,900 Series
RUEF700-2
PTC RESET FUSE 30V 7A RADIAL
Littelfuse Inc.
3,493
In Stock
1 : ¥7.80000
Cut Tape (CT)
1,000 : ¥3.54548
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V7 A14 A100 A17.5 s5 mOhms30 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.752" L x 0.118" W (19.10mm x 3.00mm)1.020" (25.90mm)-0.400" (10.15mm)
RUEF300,400,500,600,700,800,900 Series
RUEF800
PTC RESET FUSE 30V 8A RADIAL
Littelfuse Inc.
1,911
In Stock
1 : ¥7.80000
Bag
Bag
ActivePolymeric30V8 A16 A100 A18.8 s5 mOhms20 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.850" L x 0.118" W (21.60mm x 3.00mm)1.118" (28.40mm)-0.400" (10.15mm)
RUEF300,400,500,600,700,800,900 Series
RUEF800-2
PTC RESET FUSE 30V 8A RADIAL
Littelfuse Inc.
13,973
In Stock
1 : ¥8.05000
Cut Tape (CT)
1,000 : ¥3.65263
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V8 A16 A100 A18.8 s5 mOhms20 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.850" L x 0.118" W (21.60mm x 3.00mm)1.118" (28.40mm)-0.400" (10.15mm)
RUEF300,400,500,600,700,800,900 Series
RUEF900-2
PTC RESET FUSE 30V 9A RADIAL
Littelfuse Inc.
10,446
In Stock
1 : ¥9.27000
Cut Tape (CT)
1,000 : ¥4.21340
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V9 A18 A100 A20 s5 mOhms20 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.949" L x 0.118" W (24.10mm x 3.00mm)1.142" (29.00mm)-0.400" (10.15mm)
RUEF90,110,135,160,185,250 Series
RUEF090-2
PTC RESET FUSE 30V 900MA RADIAL
Littelfuse Inc.
22,556
In Stock
1 : ¥4.06000
Cut Tape (CT)
3,000 : ¥1.67425
Tape & Reel (TR)
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Cut Tape (CT)
ActivePolymeric30V900 mA1.8 A100 A5.9 s70 mOhms220 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.291" L x 0.118" W (7.40mm x 3.00mm)0.480" (12.20mm)-0.200" (5.08mm)
RUEF90,110,135,160,185,250 Series
RUEF110-2
PTC RESET FUSE 30V 1.1A RADIAL
Littelfuse Inc.
8,186
In Stock
1 : ¥4.15000
Cut Tape (CT)
3,000 : ¥1.69910
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
ActivePolymeric30V1.1 A2.2 A100 A6.6 s70 mOhms170 mOhms-40°C ~ 85°C-Through HoleRadial, Disc0.291" Dia x 0.118" T (7.40mm x 3.00mm)0.559" (14.20mm)-0.199" (5.05mm)
Showing
of 78

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.