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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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243 results Products
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MF-FSMF020X-2
Bourns

PTC Resettable Fuse - 0.2A(hold) 0.5A(trip) - 9V - 40A - 0.5W - 0.55 Ohm - Surface Mount.

  • In Stock: 23234

    Ships Immediately

  • 1,200
    $0.2217
  • 2,400
    $0.2185
  • 3,600
    $0.2176
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MF-FSMF035X-2
Bourns

PTC Resettable Fuse 0.35A(hold) 0.75A(trip) 6V 40A 0.5W 0.1s 0.2Ohm SMD Solder Pad 0603 T/R Automotive

  • In Stock: 24430

    Ships Immediately

  • 1,200
    $0.1526
  • 2,400
    $0.1495
  • 3,600
    $0.1473
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MF-FSMF050X-2
Bourns

PTC Resettable Fuse - 0.5A(hold) 1A(trip) - 6V - 40A - 0.5W - 0.1O Ohm - Surface Mount.

  • In Stock: 1027000

    Ships Immediately

  • 1,000
    $0.1699
  • 4,000
    $0.1649
  • 8,000
    $0.1645
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MF-LR900/20-0
Bourns

PTC Resettable Fuse 9A(hold) 16.7A(trip) 20V 100A 3W 5s 0.006Ohm SMD Solder Pad 29.2 X 8.5 X 1.3mm Bag

  • In Stock: 5850

    Ships Immediately

  • 145 +
    $1.71
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MF-LS340
Bourns

PTC Resettable Fuse 3.4A(hold) 6.8A(trip) 24V 100A 2.7W 5s 0.016Ohm SMD Solder Pad 16 X 15.9 X 1mm Bulk

  • In Stock: 2000

    Ships Immediately

  • 323
    $0.5916
  • 1,000
    $0.4437
  • 1,500
    $0.4141
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MF-LSMF185/33X-2
Bourns

PPTC Resettable Fuse - 1.85A(hold) 3.7A(trip) - 33V - 40A - 7.98 x 5.44 x 1.6mm - Surface Mount.

  • In Stock: 5850

    Ships Immediately

  • 500
    $0.4688
  • 1,000
    $0.4348
  • 4,000
    $0.4054
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MF-LSMF260X-2
Bourns

PPTC Resettable Fuse - 2.6A(hold) 5.2A(trip) - 24V - 20A - 7.98 x 5.44 x 1.6mm - Surface Mount.

  • In Stock: 16143

    Ships Immediately

  • 500
    $0.4688
  • 1,000
    $0.4348
  • 4,000
    $0.4054
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MF-LSMF300/24X-2
Bourns

PPTC Resettable Fuse - 3A(hold) 5.2A(trip) - 24V - 20A - 7.98 x 5.44 x 1.6mm - Surface Mount.

  • In Stock: 1774

    Ships Immediately

  • On Order: 8000

    can ship 6/1/26

  • 500
    $0.4760
  • 1,000
    $0.4667
  • 4,000
    $0.4576
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Product Image

MF-LSMF300X-2
Bourns

PTC Resettable Fuse 3A(hold) 5A(trip) 6V 40A 1.5W 20s 0.015Ohm SMD Solder Pad 2920 T/R Automotive

  • In Stock: 14000

    Ships Immediately

  • 500
    $0.3675
  • 1,000
    $0.3539
  • 2,500
    $0.3530
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MF-MSMF010-2
Bourns

PTC Resettable Fuse - 0.1A(hold) 0.3A(trip) - 60V - 40A - 0.8W - 0.7 Ohm - Solder Pad 1812

  • In Stock: 10100

    Ships Immediately

  • 1,000
    $0.1383
  • 3,000
    $0.1222
  • 6,000
    $0.1180
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