PTC Resettable Fuses

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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
Grade
Qualification
Ratings
Mounting Type
Package / Case
Size / Dimension
Height - Seated (Max)
Thickness (Max)
Lead Spacing
SMD Series
SMD050F-2
PTC RESET FUSE 60V 500MA 2SMD
Littelfuse Inc.
59,961
In Stock
1 : $0.81000
Cut Tape (CT)
2,000 : $0.33076
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
500 mA
1 A
10 A
4 s
350 mOhms
1.4 Ohms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.125" (3.18mm)
-
SMD Series
SMD100F-2
PTC RESET FUSE 30V 1.1A 2SMD
Littelfuse Inc.
55,430
In Stock
1 : $0.81000
Cut Tape (CT)
2,000 : $0.33076
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
30V
1.1 A
2.2 A
40 A
500 ms
120 mOhms
480 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD Series
SMD150F/33-2
PTC RESET FUSE 33V 1.5A 2SMD
Littelfuse Inc.
45,196
In Stock
1 : $0.91000
Cut Tape (CT)
1,500 : $0.38434
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
33V
1.5 A
3 A
40 A
5 s
80 mOhms
230 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.343" L x 0.250" W (8.70mm x 6.36mm)
-
0.118" (3.00mm)
-
SMD Series
SMD250F-2
PTC RESET FUSE 15V 2.5A 2SMD
Littelfuse Inc.
26,536
In Stock
1 : $0.91000
Cut Tape (CT)
1,500 : $0.38434
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
2.5 A
5 A
40 A
25 s
35 mOhms
85 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.343" L x 0.250" W (8.70mm x 6.36mm)
-
0.118" (3.00mm)
-
SMD Series
SMD200F/24-2920-2
PTC RESET FUSE 24V 2A 2SMD
Littelfuse Inc.
6,124
In Stock
1 : $1.04000
Cut Tape (CT)
2,000 : $0.42967
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
24V
2 A
4 A
40 A
5 s
50 mOhms
125 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD Series
SMD300F-2
PTC RESET FUSE 6V 3A 2SMD
Littelfuse Inc.
2,262
In Stock
1 : $1.09000
Cut Tape (CT)
2,000 : $0.44949
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
3 A
6 A
40 A
35 s
15 mOhms
48 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD Series
SMD075F-2
PTC RESET FUSE 30V 750MA 2SMD
Littelfuse Inc.
41,969
In Stock
1 : $0.84000
Cut Tape (CT)
2,000 : $0.34448
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
30V
750 mA
1.5 A
40 A
300 ms
350 mOhms
1 Ohms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.125" (3.18mm)
-
SMD Series
SMD185F-2
PTC RESET FUSE 33V 1.85A 2SMD
Littelfuse Inc.
33,663
In Stock
1 : $1.11000
Cut Tape (CT)
1,500 : $0.47188
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
33V
1.85 A
3.6 A
40 A
5 s
65 mOhms
165 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.343" L x 0.250" W (8.70mm x 6.36mm)
-
0.118" (3.00mm)
-
SMD Series
SMD030F-2
PTC RESET FUSE 60V 300MA 2SMD
Littelfuse Inc.
23,022
In Stock
1 : $0.83000
Cut Tape (CT)
2,000 : $0.33763
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
300 mA
600 mA
10 A
3 s
1.2 Ohms
4.8 Ohms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.125" (3.18mm)
-
SMD Series
SMD100F/33-2
PTC RESET FUSE 33V 1.1A 2SMD
Littelfuse Inc.
22,701
In Stock
1 : $0.93000
Cut Tape (CT)
2,000 : $0.38277
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
33V
1.1 A
2.2 A
40 A
500 ms
120 mOhms
410 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD075F/60-2
SMD075F/60-2
PTC RESET FUSE 60V 750MA 2SMD
Littelfuse Inc.
11,038
In Stock
1 : $0.91000
Cut Tape (CT)
2,000 : $0.37154
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
750 mA
1.5 A
10 A
300 ms
350 mOhms
-
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.125" (3.18mm)
-
SMD Series
SMD200F-2
PTC RESET FUSE 15V 2A 2SMD
Littelfuse Inc.
5,552
In Stock
1 : $1.04000
Cut Tape (CT)
1,500 : $0.44449
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
2 A
4 A
40 A
12 s
50 mOhms
125 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.343" L x 0.250" W (8.70mm x 6.36mm)
-
0.118" (3.00mm)
-
SMD Series
SMD125F-2
PTC RESET FUSE 15V 1.25A 2SMD
Littelfuse Inc.
30,179
In Stock
Active
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
1.25 A
2.5 A
40 A
2 s
70 mOhms
-
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD Series
SMD150F-2
PTC RESET FUSE 15V 1.5A 2SMD
Littelfuse Inc.
97,786
In Stock
1 : $0.98000
Cut Tape (CT)
1,500 : $0.39582
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
1.5 A
3 A
40 A
5 s
60 mOhms
250 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.343" L x 0.250" W (8.70mm x 6.36mm)
-
0.118" (3.00mm)
-
SMD Series
SMD150F/33-2920-2
PTC RESET FUSE 33V 1.5A 2SMD
Littelfuse Inc.
2,453
In Stock
1 : $1.04000
Cut Tape (CT)
2,000 : $0.42967
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
33V
1.5 A
3 A
40 A
5 s
80 mOhms
-
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.289" L x 0.202" W (7.35mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD030F-2018-2
SMD030F-2018-2
PTC RESET FUSE 60V 300MA 2SMD
Littelfuse Inc.
7,497
In Stock
1 : $1.06000
Cut Tape (CT)
4,000 : $0.39984
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
300 mA
800 mA
20 A
1.5 s
500 mOhms
2.3 Ohms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.200" L x 0.180" W (5.08mm x 4.58mm)
-
0.070" (1.78mm)
-
SMDH120-2
SMDH120-2
PTC RESET FUSE 16V 1.2A 2SMD
Littelfuse Inc.
3,196
In Stock
1 : $1.19000
Cut Tape (CT)
2,000 : $0.49114
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
16V
1.2 A
2.3 A
50 A
2 s
150 mOhms
-
-
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD Series
SMD300F/15-2
PTC RESET FUSE 15V 3A 2SMD
Littelfuse Inc.
11,901
In Stock
1 : $1.11000
Cut Tape (CT)
2,000 : $0.41196
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
3 A
6 A
40 A
35 s
15 mOhms
50 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD Series
SMD260F-2
PTC RESET FUSE 6V 2.6A 2SMD
Littelfuse Inc.
3,442
In Stock
1 : $1.09000
Cut Tape (CT)
2,000 : $0.44949
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
2.6 A
5.2 A
40 A
20 s
25 mOhms
75 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
SMD Series
SMD100F-2018-2
PTC RESET FUSE 15V 1.1A 2SMD
Littelfuse Inc.
13,137
In Stock
1 : $1.07000
Cut Tape (CT)
4,000 : $0.40599
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
1.1 A
2.2 A
40 A
500 ms
100 mOhms
400 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.200" L x 0.180" W (5.08mm x 4.58mm)
-
0.060" (1.52mm)
-
SMD150F-2018-2
SMD150F-2018-2
PTC RESET FUSE 15V 1.5A 2SMD
Littelfuse Inc.
9,842
In Stock
1 : $1.07000
Cut Tape (CT)
4,000 : $0.39666
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
1.5 A
3 A
40 A
5 s
60 mOhms
-
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.200" L x 0.180" W (5.08mm x 4.58mm)
-
0.060" (1.52mm)
-
SMDH160-2
SMDH160-2
PTC RESET FUSE 16V 1.6A 2SMD
Littelfuse Inc.
1,451
In Stock
1 : $1.29000
Cut Tape (CT)
1,500 : $0.54871
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
16V
1.6 A
3.2 A
70 A
15 s
50 mOhms
150 mOhms
-40°C ~ 125°C
-
-
-
Surface Mount
2-SMD
0.343" L x 0.250" W (8.70mm x 6.36mm)
-
0.118" (3.00mm)
-
SMD Series
SMD250F/15-2920-2
PTC RESET FUSE 15V 2.5A 2SMD
Littelfuse Inc.
0
In Stock
Check Lead Time
1 : $1.04000
Cut Tape (CT)
2,000 : $0.42967
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
2.5 A
5 A
40 A
10 s
35 mOhms
85 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.290" L x 0.202" W (7.36mm x 5.12mm)
-
0.118" (3.00mm)
-
0
In Stock
4,000
Factory
Check Lead Time
1 : $1.47000
Cut Tape (CT)
4,000 : $0.50449
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
16V
200 mA
700 mA
40 A
100 ms
750 mOhms
3.4 Ohms
-40°C ~ 125°C
Automotive
AEC-Q200
-
Surface Mount
0805 (2012 Metric), Concave
0.083" L x 0.055" W (2.10mm x 1.40mm)
-
0.031" (0.80mm)
-
SMD200F-2018-2
SMD200F-2018-2
PTC RESET FUSE 6V 2A 2SMD
Littelfuse Inc.
0
In Stock
Check Lead Time
1 : $1.01000
Cut Tape (CT)
4,000 : $0.41634
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
2 A
4.2 A
40 A
3 s
48 mOhms
100 mOhms
-40°C ~ 85°C
-
-
-
Surface Mount
2-SMD
0.200" L x 0.180" W (5.08mm x 4.58mm)
-
0.060" (1.52mm)
-
Showing
of 35

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.