EN
  • EN
  • DE

PTC Resettable Fuses from Littelfuse Inc. : 1427 - Page 1

PTC Resettable Fuses, also known as polymeric positive temperature coefficient (PPTC) devices, play a critical role in circuit protection. These fuses allow for automatic reset after an overcurrent event, providing a reusable solution that reduces downtime and maintenance costs.

Commonly used in consumer electronics, automotive, and telecommunications, PTC resettable fuses limit current by increasing resistance when an overcurrent occurs, thereby protecting sensitive components from damage. Once the fault is cleared, the resistance decreases, allowing the circuit to resume normal operation.

Manufacturers like Littelfuse, Bel Fuse, and TE Connectivity offer a range of PTC resettable fuses designed to meet various voltage and current requirements. These versatile and reliable fuses ensure continuous protection and operational efficiency for a multitude of electronic applications.

Select Images Part Number Mfr Description Datasheet Availability Price Qty RFQ Rohs ECAD Model

Mfr. Part No.
LVR012S

WS Part No.
096506-LVR012S

Littelfuse Inc.

POLYSWITCH 240VAC .12A HOLD
Datasheet

2,000 pieces In Stock

MOQ: 85

rohs

Mfr. Part No.
LR4-380F

WS Part No.
1204484-LR4-380F

Littelfuse Inc.

PolySwitchâ„¢ Resettable Device Short Form Catalog | PTC RESET FUSE 15V 3.8A STRAP

1,160 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
1206L012WR

WS Part No.
005208-1206L012WR

Littelfuse Inc.

PTC RESET 30V .125A SMD 1206
Datasheet

213,036 pieces In Stock

MOQ: 1405

rohs

Mfr. Part No.
RUEF400

WS Part No.
662008-RUEF400

Littelfuse Inc.

PTC RESET FUSE 30V 4A RADIAL
Datasheet

120 pieces In Stock

MOQ: 100

rohs

Mfr. Part No.
1812L150/24MR

WS Part No.
005278-1812L150/24MR

Littelfuse Inc.

PTC RESETTABLE 24V 1.50A 1812L / PTC Resettable Fuse 1.5A(hold) 3A(trip) 24VDC 20A 0.8W 1.5s 0.04Ohm SMD Solder Pad 1812 T/R
Datasheet

36,888 pieces In Stock

MOQ: 675

rohs

Mfr. Part No.
2016L300/16MR

WS Part No.
905836-2016L300/16MR

Littelfuse Inc.

PTC RESET FUSE 16V 3A 2016

22,888 pieces In Stock

MOQ: 145

rohs

Mfr. Part No.
TRF250-145US

WS Part No.
1607625-TRF250-145US

Littelfuse Inc.

PTC RESET FUSE 60V 145MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-145US

WS Part No.
1605588-TRF250-145US

Littelfuse Inc.

PTC RESET FUSE 60V 145MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-145-RA-B-0.5

WS Part No.
1607612-TRF250-145-RA-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 145MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-145-RA-B-0.5

WS Part No.
1605569-TRF250-145-RA-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 145MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-120T-2

WS Part No.
1607618-TRF250-120T-2

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-120T-2

WS Part No.
1605581-TRF250-120T-2

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
MICROASMD005F-2

WS Part No.
WS1203610-MICROASMD005F-2

Littelfuse Inc.

PTC RESET FUSE 30V 50MA 1210
Datasheet

210 pieces In Stock

MOQ: 70

rohs

Mfr. Part No.
1206L150/12SLYR

WS Part No.
905185-1206L150/12SLYR

Littelfuse Inc.

PTC RESET FUSE 12V 1.5A 1206

30,487 pieces In Stock

MOQ: 185

rohs

Mfr. Part No.
LVR125S-240

WS Part No.
096512-LVR125S-240

Littelfuse Inc.

POLYSWITCH PTC RESET 240V 1.25A
Datasheet

1,581 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
LVR016S

WS Part No.
096507-LVR016S

Littelfuse Inc.

POLYSWITCH 240VAC .16A HOLD
Datasheet

80,000 pieces In Stock

MOQ: 75

rohs

Mfr. Part No.
LVR040S

WS Part No.
1209632-LVR040S

Littelfuse Inc.

PolySwitch PTC Devices Overcurrent Protection Device | PTC RESET FUSE 240V 400MA RADIAL

2,699 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
LVR055S

WS Part No.
1064548-LVR055S

Littelfuse Inc.

POLYSWITCH PTC RESET 0.55A HOLD
Datasheet

3,180 pieces In Stock

MOQ: 65

rohs

Mfr. Part No.
LVR055K

WS Part No.
1209634-LVR055K

Littelfuse Inc.

PolySwitch Resettable Devices Line-Voltage-Rated Devices | PTC RESET FUSE 240V 550MA RADIAL

Low Stock
Available

MOQ: 45

rohs

Mfr. Part No.
LVR100S-240

WS Part No.
784748-LVR100S-240

Littelfuse Inc.

PTC Resettable Fuse 1A(hold) 2A(trip) 240V 10A 2.87W 21s 0.218Ohm Radial 18.7 X 5.1mm Bag / POLYSWITCH PTC RESET 240V 1A
Datasheet

2,000 pieces In Stock

MOQ: 50

rohs
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess