PTC Resettable Fuses

Results: 69
Packaging
BulkCut Tape (CT)Tape & Box (TB)Tape & Reel (TR)
Product Status
ActiveObsolete
Current - Hold (Ih) (Max)
200 mA250 mA300 mA400 mA500 mA650 mA750 mA900 mA1.1 A1.35 A1.6 A1.85 A2.5 A3 A
Current - Trip (It)
400 mA500 mA600 mA800 mA1 A1.3 A1.5 A1.8 A2.2 A2.7 A3.2 A3.7 A5 A6 A
Time to Trip
2.2 s2.5 s3 s3.9 s4 s5.3 s6.3 s7.2 s8.2 s9.6 s11.4 s12.6 s15.6 s19.8 s
Resistance - Initial (Ri) (Min)
30 mOhms40 mOhms50 mOhms80 mOhms90 mOhms120 mOhms140 mOhms150 mOhms180 mOhms270 mOhms410 mOhms520 mOhms760 mOhms1 Ohms
Resistance - Post Trip (R1) (Max)
80 mOhms100 mOhms130 mOhms190 mOhms220 mOhms300 mOhms380 mOhms470 mOhms600 mOhms720 mOhms1.17 Ohms1.29 Ohms2.1 Ohms3 Ohms
Size / Dimension
0.291" Dia x 0.122" T (7.40mm x 3.10mm)0.311" Dia x 0.122" T (7.90mm x 3.10mm)0.382" Dia x 0.122" T (9.70mm x 3.10mm)0.409" Dia x 0.122" T (10.40mm x 3.10mm)0.427" L x 0.122" W (10.84mm x 3.10mm)0.461" Dia x 0.122" T (11.70mm x 3.10mm)0.483" L x 0.122" W (12.26mm x 3.10mm)0.549" L x 0.122" W (13.94mm x 3.10mm)0.598" L x 0.122" W (15.18mm x 3.10mm)0.642" L x 0.122" W (16.30mm x 3.10mm)0.701" L x 0.122" W (17.80mm x 3.10mm)0.702" L x 0.122" W (17.84mm x 3.10mm)0.814" L x 0.122" W (20.67mm x 3.10mm)0.839" L x 0.122" W (21.30mm x 3.10mm)
Height - Seated (Max)
0.500" (12.70mm)0.528" (13.40mm)0.539" (13.70mm)0.598" (15.20mm)0.630" (16.00mm)0.657" (16.70mm)0.662" (16.84mm)0.663" (16.84mm)0.709" (18.00mm)0.718" (18.26mm)0.772" (19.60mm)0.785" (19.94mm)
Lead Spacing
0.201" (5.10mm)0.402" (10.20mm)
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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
MF-RX110/72-0
MF-RX110/72-2
PTC RESET FUSE 72V 1.1A RADIAL
Bourns Inc.
133,976
In Stock
1 : ¥2.46000
Cut Tape (CT)
1,500 : ¥1.28277
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
1.1 A
2.2 A
40 A
8.2 s
150 mOhms
380 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.427" L x 0.122" W (10.84mm x 3.10mm)
0.662" (16.84mm)
-
0.201" (5.10mm)
MF-RX160/72-0
MF-RX160/72-2
PTC RESET FUSE 72V 1.6A RADIAL
Bourns Inc.
110,124
In Stock
1 : ¥2.63000
Cut Tape (CT)
1,500 : ¥1.38533
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
1.6 A
3.2 A
40 A
11.4 s
90 mOhms
220 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.642" L x 0.122" W (16.30mm x 3.10mm)
0.839" (21.30mm)
-
0.201" (5.10mm)
MF-RX110/72-0
MF-RX110/72-0
PTC RESET FUSE 72V 1.1A RADIAL
Bourns Inc.
9,754
In Stock
1 : ¥3.20000
Bulk
Bulk
Active
Polymeric
72V
1.1 A
2.2 A
40 A
8.2 s
150 mOhms
380 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.427" L x 0.122" W (10.84mm x 3.10mm)
0.662" (16.84mm)
-
0.201" (5.10mm)
MF-RX160/72-0
MF-RX160/72-0
PTC RESET FUSE 72V 1.6A RADIAL
Bourns Inc.
5,187
In Stock
1 : ¥3.45000
Bulk
Bulk
Active
Polymeric
72V
1.6 A
3.2 A
40 A
11.4 s
90 mOhms
220 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.642" L x 0.122" W (16.30mm x 3.10mm)
0.839" (21.30mm)
-
0.201" (5.10mm)
MF-RX135/72-0
MF-RX135/72-2
PTC RESET FUSE 72V 1.35A RADIAL
Bourns Inc.
42,594
In Stock
1 : ¥3.61000
Cut Tape (CT)
1,500 : ¥1.56298
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
1.35 A
2.7 A
40 A
9.6 s
120 mOhms
300 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.483" L x 0.122" W (12.26mm x 3.10mm)
0.718" (18.26mm)
-
0.201" (5.10mm)
MF-RX185/72-0
MF-RX185/72-0
PTC RESET FUSE 72V 1.85A RADIAL
Bourns Inc.
23,100
In Stock
1 : ¥4.19000
Bulk
Bulk
Active
Polymeric
72V
1.85 A
3.7 A
40 A
12.6 s
80 mOhms
190 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.701" L x 0.122" W (17.80mm x 3.10mm)
0.902" (22.90mm)
-
0.201" (5.10mm)
MF-RX185/72-0
MF-RX185/72-2
PTC RESET FUSE 72V 1.85A RADIAL
Bourns Inc.
8,679
In Stock
1 : ¥4.43000
Cut Tape (CT)
1,000 : ¥1.99023
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
1.85 A
3.7 A
40 A
12.6 s
80 mOhms
190 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.701" L x 0.122" W (17.80mm x 3.10mm)
0.902" (22.90mm)
-
0.201" (5.10mm)
MF-RX250/72
MF-RX250/72-0
PTC RESET FUSE 72V 2.5A RADIAL
Bourns Inc.
3,278
In Stock
1 : ¥5.01000
Bulk
Bulk
Active
Polymeric
72V
2.5 A
5 A
40 A
15.6 s
50 mOhms
130 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.839" L x 0.122" W (21.30mm x 3.10mm)
1.039" (26.40mm)
-
0.402" (10.20mm)
MF-RX250/72
MF-RX250/72-2
PTC RESET FUSE 72V 2.5A RADIAL
Bourns Inc.
4,941
In Stock
1 : ¥5.25000
Cut Tape (CT)
1,000 : ¥2.36573
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
2.5 A
5 A
40 A
15.6 s
50 mOhms
130 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.702" L x 0.122" W (17.84mm x 3.10mm)
0.939" (23.84mm)
-
0.402" (10.20mm)
MF-RX300/72-0
MF-RX300/72-0
PTC RESET FUSE 72V 3A RADIAL
Bourns Inc.
7,243
In Stock
1 : ¥5.83000
Bulk
Bulk
Active
Polymeric
72V
3 A
6 A
40 A
19.8 s
40 mOhms
100 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.980" L x 0.122" W (24.90mm x 3.10mm)
1.181" (30.00mm)
-
0.402" (10.20mm)
MF-RX300/72-0
MF-RX300/72-2
PTC RESET FUSE 72V 3A RADIAL
Bourns Inc.
3,535
In Stock
1 : ¥6.08000
Cut Tape (CT)
1,000 : ¥2.73623
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
3 A
6 A
40 A
19.8 s
40 mOhms
100 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.814" L x 0.122" W (20.67mm x 3.10mm)
1.050" (26.67mm)
-
0.402" (10.20mm)
MF-RX375/72-0
MF-RX375/72-2
PTC RESET FUSE 72V 3.75A RADIAL
Bourns Inc.
8,185
In Stock
1 : ¥6.65000
Cut Tape (CT)
1,000 : ¥3.02028
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
3.75 A
7.5 A
40 A
24 s
30 mOhms
80 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.926" L x 0.122" W (23.51mm x 3.10mm)
1.161" (29.50mm)
-
0.402" (10.20mm)
MF-RX375/72-0
MF-RX375/72-0
PTC RESET FUSE 72V 3.75A RADIAL
Bourns Inc.
3,775
In Stock
1 : ¥6.65000
Bulk
Bulk
Active
Polymeric
72V
3.75 A
7.5 A
40 A
24 s
30 mOhms
80 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.926" L x 0.122" W (23.51mm x 3.10mm)
1.161" (29.50mm)
-
0.402" (10.20mm)
MF-RX040/72-0
MF-RX090/72-2
PTC RESET FUSE 72V 900MA RADIAL
Bourns Inc.
8,768
In Stock
1 : ¥2.79000
Cut Tape (CT)
3,000 : ¥1.45894
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
900 mA
1.8 A
40 A
7.2 s
140 mOhms
470 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.461" Dia x 0.122" T (11.70mm x 3.10mm)
0.657" (16.70mm)
-
0.201" (5.10mm)
MF-RX185/72-0
MF-RX185/72-0-14
PTC RESET FUSE 72V 1.85A RADIAL
Bourns Inc.
8,346
In Stock
1 : ¥3.20000
Bulk
Bulk
Active
Polymeric
72V
1.85 A
3.7 A
40 A
12.6 s
80 mOhms
190 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.701" L x 0.122" W (17.80mm x 3.10mm)
0.902" (22.90mm)
-
0.201" (5.10mm)
MF-RX040/72-0
MF-RX020/72-0
PTC RESET FUSE 72V 200MA RADIAL
Bourns Inc.
1,706
In Stock
1 : ¥3.69000
Bulk
Bulk
Active
Polymeric
72V
200 mA
400 mA
40 A
2.2 s
1.5 Ohms
4.4 Ohms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.291" Dia x 0.122" T (7.40mm x 3.10mm)
0.500" (12.70mm)
-
0.201" (5.10mm)
MF-RX040/72-0
MF-RX025/72-0
PTC RESET FUSE 72V 250MA RADIAL
Bourns Inc.
1,412
In Stock
1 : ¥3.69000
Bulk
Bulk
Active
Polymeric
72V
250 mA
500 mA
40 A
2.5 s
1 Ohms
3 Ohms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.291" Dia x 0.122" T (7.40mm x 3.10mm)
0.500" (12.70mm)
-
0.201" (5.10mm)
MF-RX040/72-0
MF-RX065/72-0
PTC RESET FUSE 72V 650MA RADIAL
Bourns Inc.
9,006
In Stock
1 : ¥3.94000
Bulk
Bulk
Active
Polymeric
72V
650 mA
1.3 A
40 A
5.3 s
270 mOhms
720 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.382" Dia x 0.122" T (9.70mm x 3.10mm)
0.598" (15.20mm)
-
0.201" (5.10mm)
MF-RX040/72-0
MF-RX050/72-0
PTC RESET FUSE 72V 500MA RADIAL
Bourns Inc.
2,261
In Stock
1 : ¥3.94000
Bulk
Bulk
Active
Polymeric
72V
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-RX040/72-0
MF-RX040/72-0
PTC RESET FUSE 72V 400MA RADIAL
Bourns Inc.
1,621
In Stock
1 : ¥3.94000
Bulk
Bulk
Active
Polymeric
72V
400 mA
800 mA
40 A
3.9 s
520 mOhms
1.29 Ohms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.291" Dia x 0.122" T (7.40mm x 3.10mm)
0.539" (13.70mm)
-
0.201" (5.10mm)
MF-RX135/72-0
MF-RX135/72-0
PTC RESET FUSE 72V 1.35A RADIAL
Bourns Inc.
1,370
In Stock
1 : ¥3.94000
Bulk
Bulk
Active
Polymeric
72V
1.35 A
2.7 A
40 A
9.6 s
120 mOhms
300 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.483" L x 0.122" W (12.26mm x 3.10mm)
0.718" (18.26mm)
-
0.201" (5.10mm)
MF-RX040/72-0
MF-RX075/72-0
PTC RESET FUSE 72V 750MA RADIAL
Bourns Inc.
1,412
In Stock
1 : ¥3.94000
Bulk
Bulk
Active
Polymeric
72V
750 mA
1.5 A
40 A
6.3 s
180 mOhms
600 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.409" Dia x 0.122" T (10.40mm x 3.10mm)
0.630" (16.00mm)
-
0.201" (5.10mm)
MF-RX020/72-2
MF-RX020/72-2
PTC RESET FUSE 72V 200MA RADIAL
Bourns Inc.
2,980
In Stock
1 : ¥5.58000
Cut Tape (CT)
3,000 : ¥2.05238
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Active
Polymeric
72V
200 mA
400 mA
40 A
2.2 s
1.5 Ohms
4.4 Ohms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.291" Dia x 0.122" T (7.40mm x 3.10mm)
0.500" (12.70mm)
-
0.201" (5.10mm)
MF-RX110/72-2-14
MF-RX110/72-2-14
PTC RESET FUSE 72V 1.1A RADIAL
Bourns Inc.
2,999
In Stock
1 : ¥6.08000
Cut Tape (CT)
1,500 : ¥2.25761
Tape & Box (TB)
Cut Tape (CT)
Tape & Box (TB)
Active
Polymeric
72V
1.1 A
2.2 A
40 A
8.2 s
150 mOhms
380 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.427" L x 0.122" W (10.84mm x 3.10mm)
0.663" (16.84mm)
-
0.201" (5.10mm)
MF-RX250/72-2-14
MF-RX250/72-2-14
PTC RESET FUSE 72V 2.5A RADIAL
Bourns Inc.
2,500
In Stock
1 : ¥6.90000
Cut Tape (CT)
1,000 : ¥2.66809
Tape & Box (TB)
Cut Tape (CT)
Tape & Box (TB)
Active
Polymeric
72V
2.5 A
5 A
40 A
15.6 s
50 mOhms
130 mOhms
-40°C ~ 85°C
-
-
-
Through Hole
Radial, Disc
0.702" L x 0.122" W (17.84mm x 3.10mm)
0.785" (19.94mm)
-
0.201" (5.10mm)
Showing
of 69

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.