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)
Resistance - 25°C (Typ)
Operating Temperature
Grade
Qualification
Ratings
Mounting Type
Package / Case
Size / Dimension
Height - Seated (Max)
Thickness (Max)
Lead Spacing
Multifuse MF NSMF
MF-NSMF020-2
PTC RESET FUSE 24V 200MA 1206
Bourns Inc.
14,146
In Stock
1 : $0.33000
Cut Tape (CT)
3,000 : $0.13002
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
24V
200 mA
460 mA
10 A
600 ms
600 mOhms
2.6 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1206 (3216 Metric), Concave
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
0.033" (0.85mm)
-
MF-MSMF Series Style 1
MF-MSMF020-2
PTC RESET FUSE 30V 200MA 1812
Bourns Inc.
10,552
In Stock
1 : $0.35000
Cut Tape (CT)
1,500 : $0.14457
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
30V
200 mA
400 mA
80 A
60 ms
400 mOhms
6 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.043" (1.10mm)
-
MF-MSMF Series Style 1
MF-MSMF010-2
PTC RESET FUSE 60V 100MA 1812
Bourns Inc.
4,439
In Stock
1 : $0.35000
Cut Tape (CT)
1,500 : $0.14457
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
100 mA
300 mA
40 A
1.5 s
700 mOhms
15 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.043" (1.10mm)
-
Multifuse MF NSMF
MF-NSMF050-2
PTC RESET FUSE 13.2V 500MA 1206
Bourns Inc.
43,655
In Stock
1 : $0.37000
Cut Tape (CT)
3,000 : $0.14574
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
13.2V
500 mA
1 A
100 A
100 ms
150 mOhms
700 mOhms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1206 (3216 Metric), Concave
0.126" L x 0.063" W (3.20mm x 1.60mm)
-
0.033" (0.85mm)
-
MF-MSMF Series Style 1
MF-MSMF030-2
PTC RESET FUSE 30V 300MA 1812
Bourns Inc.
19,156
In Stock
1 : $0.37000
Cut Tape (CT)
1,500 : $0.15807
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
30V
300 mA
600 mA
10 A
100 ms
300 mOhms
3 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.043" (1.10mm)
-
MF-FSMF Series
MF-FSMF010X-2
PTC RESET FUSE 15V 100MA 0603
Bourns Inc.
21,933
In Stock
1 : $0.42000
Cut Tape (CT)
5,000 : $0.15682
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
15V
100 mA
300 mA
40 A
1 s
900 mOhms
6 Ohms
-
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.065" L x 0.033" W (1.65mm x 0.85mm)
-
0.026" (0.65mm)
-
MF-MSMF Series Style 1
MF-MSMF150/24X-2
PTC RESET FUSE 24V 1.5A 1812
Bourns Inc.
7,210
In Stock
1 : $0.42000
Cut Tape (CT)
1,500 : $0.18316
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
24V
1.5 A
3 A
20 A
1.5 s
30 mOhms
120 mOhms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.033" (0.85mm)
-
MF-PSHT Series
MF-PSHT020KX-2
PTC RESET FUSE 16V 200MA 0805
Bourns Inc.
4,417
In Stock
1 : $0.44000
Cut Tape (CT)
3,000 : $0.17554
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
16V
200 mA
1 A
40 A
100 ms
500 mOhms
5 Ohms
-
-40°C ~ 125°C
Automotive
AEC-Q200
-
Surface Mount
0805 (2012 Metric), Concave
0.085" L x 0.053" W (2.15mm x 1.35mm)
-
0.047" (1.20mm)
-
MF-MSMF Series Style 1
MF-MSMF110/16-2
PTC RESET FUSE 16V 1.1A 1812
Bourns Inc.
2,379
In Stock
1 : $0.46000
Cut Tape (CT)
2,000 : $0.19470
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
16V
1.1 A
2.2 A
100 A
300 ms
40 mOhms
210 mOhms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.033" (0.85mm)
-
MF-MSMF Series Style 1
MF-MSMF075/24-2
PTC RESET FUSE 24V 750MA 1812
Bourns Inc.
4,113
In Stock
1 : $0.48000
Cut Tape (CT)
2,000 : $0.19831
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
24V
750 mA
1.5 A
40 A
200 ms
110 mOhms
450 mOhms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.033" (0.85mm)
-
MF-PSMF010 Series
MF-PSMF050X-2
PTC RESET FUSE 6V 500MA 0805
Bourns Inc.
11,374
In Stock
1 : $0.73000
Cut Tape (CT)
3,000 : $0.28512
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
500 mA
1 A
40 A
100 ms
150 mOhms
900 mOhms
-
-40°C ~ 85°C
-
-
-
Surface Mount
0805 (2012 Metric), Concave
0.085" L x 0.053" W (2.15mm x 1.35mm)
-
0.033" (0.85mm)
-
MF-USMF Series
MF-USMF050-2
PTC RESET FUSE 13.2V 500MA 1210
Bourns Inc.
29,416
In Stock
1 : $0.77000
Cut Tape (CT)
3,000 : $0.30166
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
13.2V
500 mA
1 A
40 A
100 ms
180 mOhms
900 mOhms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1210 (3225 Metric), Concave
0.127" L x 0.102" W (3.22mm x 2.58mm)
-
0.033" (0.85mm)
-
MF-USMF Series
MF-USMF020-2
PTC RESET FUSE 30V 200MA 1210
Bourns Inc.
9,595
In Stock
1 : $0.77000
Cut Tape (CT)
3,000 : $0.30166
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
30V
200 mA
400 mA
10 A
20 ms
400 mOhms
5 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1210 (3225 Metric), Concave
0.127" L x 0.102" W (3.22mm x 2.58mm)
-
0.033" (0.85mm)
-
MF-USMF Series
MF-USMF005-2
PTC RESET FUSE 30V 50MA 1210
Bourns Inc.
6,001
In Stock
1 : $0.77000
Cut Tape (CT)
3,000 : $0.30166
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
30V
50 mA
150 mA
10 A
1.5 s
2.8 Ohms
50 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1210 (3225 Metric), Concave
0.127" L x 0.102" W (3.22mm x 2.58mm)
-
0.033" (0.85mm)
-
MF-FSML-Series
MF-FSML050/8-2
PTC RESET FUSE 8V 500MA 0603
Bourns Inc.
2,696
In Stock
1 : $0.77000
Cut Tape (CT)
6,000 : $0.28294
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
8V
500 mA
1 A
50 A
60 ms
60 mOhms
500 mOhms
-
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.065" L x 0.033" W (1.65mm x 0.85mm)
-
0.028" (0.70mm)
-
MF-SM030 thru 125, 260, 300
MF-SM075-2
PTC RESET FUSE 30V 750MA 2SMD
Bourns Inc.
23,737
In Stock
1 : $0.83000
Cut Tape (CT)
2,000 : $0.34503
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
30V
750 mA
1.5 A
80 A
300 ms
230 mOhms
1 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
2-SMD
0.287" L x 0.214" W (7.31mm x 5.44mm)
-
0.125" (3.18mm)
-
MF-SM030 thru 125, 260, 300
MF-SM030-2
PTC RESET FUSE 60V 300MA 2SMD
Bourns Inc.
18,834
In Stock
1 : $0.83000
Cut Tape (CT)
2,000 : $0.34503
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
300 mA
600 mA
40 A
3 s
900 mOhms
4.8 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
2-SMD
0.287" L x 0.214" W (7.31mm x 5.44mm)
-
0.125" (3.18mm)
-
MF-SM050-2
MF-SM050-2
PTC RESET FUSE 60V 500MA 2SMD
Bourns Inc.
15,398
In Stock
1 : $0.83000
Cut Tape (CT)
2,000 : $0.34503
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
500 mA
1 A
40 A
4 s
350 mOhms
1.4 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
2-SMD
0.287" L x 0.214" W (7.31mm x 5.44mm)
-
0.125" (3.18mm)
-
MF-R050
MF-R050
PTC RESET FUSE 60V 500MA RADIAL
Bourns Inc.
0
In Stock
5,229
Marketplace
Check Lead Time
1 : $0.87000
Bulk
250 : $0.50460
Bulk
Bulk
Bulk
Active
Polymeric
60V
500 mA
1 A
40 A
4 s
410 mOhms
1.17 Ohms
-
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.311" Dia x 0.122" T (7.90mm x 3.10mm)
0.539" (13.70mm)
-
0.201" (5.10mm)
MF-MSMF Series Style 1
MF-MSMF020/60-2
PTC RESET FUSE 60V 200MA 1812
Bourns Inc.
6,870
In Stock
1 : $0.91000
Cut Tape (CT)
1,500 : $0.38625
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
200 mA
400 mA
40 A
150 ms
400 mOhms
6 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.043" (1.10mm)
-
MF-SMDF Series
MF-SMDF050-2
PTC RESET FUSE 60V 550MA 2018
Bourns Inc.
10,184
In Stock
1 : $0.95000
Cut Tape (CT)
6,000 : $0.34028
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
60V
550 mA
1.2 A
10 A
3 s
200 mOhms
1 Ohms
-
-40°C ~ 85°C
-
-
-
Surface Mount
2018 (5045 Metric), Concave
0.200" L x 0.180" W (5.08mm x 4.58mm)
-
0.043" (1.09mm)
-
MF-FSML-Series
MF-FSML200/6-2
PTC RESET FUSE 6V 2A 0603
Bourns Inc.
23,248
In Stock
1 : $0.97000
Cut Tape (CT)
4,000 : $0.37000
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
6V
2 A
4 A
50 A
5 s
6 mOhms
65 mOhms
-
-40°C ~ 85°C
-
-
-
Surface Mount
0603 (1608 Metric), Concave
0.065" L x 0.033" W (1.65mm x 0.85mm)
-
0.055" (1.40mm)
-
MF-MSMF Series Style 1
MF-MSMF050/40X-2
PTC RESET FUSE 40V 500MA 1812
Bourns Inc.
19,076
In Stock
1 : $1.00000
Cut Tape (CT)
2,000 : $0.41558
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Polymeric
40V
500 mA
1 A
20 A
200 ms
150 mOhms
1.3 Ohms
-
-40°C ~ 85°C
Automotive
AEC-Q200
-
Surface Mount
1812 (4532 Metric), Concave
0.179" L x 0.128" W (4.55mm x 3.24mm)
-
0.033" (0.85mm)
-
MF-R(300,400,500,600,700,800,900)
MF-R400
PTC RESET FUSE 30V 4A RADIAL
Bourns Inc.
16,101
In Stock
1 : $1.00000
Bulk
Bulk
Active
Polymeric
30V
4 A
8 A
40 A
12.7 s
10 mOhms
50 mOhms
-
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.567" L x 0.118" W (14.40mm x 3.00mm)
0.976" (24.80mm)
-
0.201" (5.10mm)
MF-R250
MF-R250
PTC RESET FUSE 30V 2.5A RADIAL
Bourns Inc.
0
In Stock
4,434
Marketplace
Check Lead Time
1 : $1.08000
Bulk
250 : $0.60900
Bulk
Bulk
Bulk
Active
Polymeric
30V
2.5 A
5 A
40 A
10.3 s
25 mOhms
70 mOhms
-
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.472" L x 0.118" W (12.00mm x 3.00mm)
0.720" (18.30mm)
-
0.201" (5.10mm)
Showing
of 1,063

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.