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Bourns® Multifuse® PPTC Resettable Fuses

Almost anywhere there is a low-voltage power source and a load, a Multifuse® PPTC  Resettable Fuse can be used. The fact that these protection devices reset automatically sets them apart among circuit protection devices. Circuit designers know there are circumstances they have no control over which can result in potentially damaging overcurrent conditions.

  • Surface Mount (SMD), Radial Leaded (Through hole) and Axial Leaded (Strap) package options
  • Unlike one-time fuses, PPTCs do not need to be replaced
  • Overentcurrent events will not shut down the system
  • Fewer service calls mean lower warranty costs and better product quality
  • Avoids possible damage to the circuit by incorrect fuse replacement
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10 Products
MF-FSMF050X-2
MF-FSMF050X-2 Bourns Overcurrent Protection
PTC Resettable Fuse - 0.5A(hold) 1A(trip) - 6V - 40A - 0.5W - 0.1O Ohm - Surface Mount.
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In Stock: 15970
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4,000
$0.1745
8,000
$0.1712
16,000
$0.1704
32,000 +
$0.1694
MF-MSMF050-2
MF-MSMF050-2 Bourns Overcurrent Protection
PTC Resettable Fuse - 0.5A(hold) 1A(trip) - 15V - 100A - 0.8W - 0.15 Ohm - Solder Pad 1812.
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In Stock: 27099
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4,000
$0.1919
8,000
$0.1487
16,000
$0.1480
32,000 +
$0.1473
MF-NSMF050-2
MF-NSMF050-2 Bourns Overcurrent Protection
PTC Resettable Fuse - 0.5A(hold) 1A(trip) - 13.2V - 100A - 0.4W - 0.15 Ohm - Surface Mount.
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In Stock: 4500
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3,000
$0.1444
6,000
$0.1332
12,000
$0.1271
24,000 +
$0.1196
MF-PSMF050X-2
MF-PSMF050X-2 Bourns Overcurrent Protection
PTC Resettable Fuse 0.5A(hold) 1A(trip) 6V 40A 0.5W 0.1s 0.15Ohm SMD Solder Pad 0805 T/R Automotive
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In Stock: 2950
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On Order: 12000
can ship 7/1/24
1
$0.1521
3,000
$0.1383
6,000
$0.1351
12,000
$0.1327
24,000 +
$0.1320
MF-R050
MF-R050 Bourns Overcurrent Protection
PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 0.75W 4s 0.41Ohm Radial 7.9 X 3.1mm Bulk Automotive
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In Stock: 13566
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90
$0.2979
100
$0.2708
500
$0.1998
1,000
$0.1916
3,000
$0.1718
MF-R050-0-99
MF-R050-0-99 Bourns Overcurrent Protection
PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 0.75W 4s 0.41Ohm Radial 7.9 X 3.1mm Bag Automotive
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In Stock: 93
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50
$0.6026
100
$0.5732
200
$0.5675
250
$0.5619
500
$0.3558
MF-R050-2
MF-R050-2 Bourns Overcurrent Protection
PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 0.75W 4s 0.41Ohm Radial 7.9 X 3.1mm T/R Automotive
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In Stock: 12000
Ships Immediately
3,000
$0.1745
6,000
$0.1712
12,000
$0.1704
24,000 +
$0.1694
MF-SM050-2
MF-SM050-2 Bourns Overcurrent Protection
PPTC Resettable Fuse - 0.5A(hold) 1A(trip) - 60V - 40A - 7.98 x 5.44 x 3.18mm - Surface Mount.
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In Stock: 5051
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4,000
$0.2791
8,000
$0.2606
16,000
$0.2451
32,000 +
$0.2390
MF-SM050-2-99
MF-SM050-2-99 Bourns Overcurrent Protection
PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 1.7W 4s 0.35Ohm SMD Solder Pad 7.98 X 5.44 X 3.18mm T/R Automotiv ...
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Discontinued & Replaced
MF-USMF050-2
MF-USMF050-2 Bourns Overcurrent Protection
PTC Resettable Fuse 0.5A(hold) 1A(trip) 13.2V 40A 0.6W 0.1s 0.18Ohm SMD Solder Pad 1210 T/R Automotive
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In Stock: 12884
Ships Immediately
3,000
$0.1401
6,000
$0.1373
9,000
$0.1316
12,000
$0.1292
27,000
$0.1266