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PTC Resettable Fuses from Littelfuse Inc. : 1427 - Page 27

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.
RUEF700K

WS Part No.
1605548-RUEF700K

Littelfuse Inc.

PTC RESET FUSE 30V 7A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUEF600K-AP

WS Part No.
1607527-RUEF600K-AP

Littelfuse Inc.

PTC RESET FUSE 30V 6A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUEF600K-AP

WS Part No.
1605490-RUEF600K-AP

Littelfuse Inc.

PTC RESET FUSE 30V 6A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF075-2

WS Part No.
1607551-RUSBF075-2

Littelfuse Inc.

PTC RESET FUSE 6V 750MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF075-2

WS Part No.
1605500-RUSBF075-2

Littelfuse Inc.

PTC RESET FUSE 6V 750MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF075-AP

WS Part No.
1607528-RUSBF075-AP

Littelfuse Inc.

PTC RESET FUSE 6V 750MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF075-AP

WS Part No.
1605491-RUSBF075-AP

Littelfuse Inc.

PTC RESET FUSE 6V 750MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF110-2

WS Part No.
1607552-RUSBF110-2

Littelfuse Inc.

PTC RESET FUSE 16V 1.1A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF110-2

WS Part No.
1605501-RUSBF110-2

Littelfuse Inc.

PTC RESET FUSE 16V 1.1A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF185-2

WS Part No.
1607554-RUSBF185-2

Littelfuse Inc.

PTC RESET FUSE 16V 1.85A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUSBF185-2

WS Part No.
1605503-RUSBF185-2

Littelfuse Inc.

PTC RESET FUSE 16V 1.85A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
AGRF400-2

WS Part No.
1607301-AGRF400-2

Littelfuse Inc.

PTC RESET FUSE 16V 4A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
AGRF400-2

WS Part No.
1605273-AGRF400-2

Littelfuse Inc.

PTC RESET FUSE 16V 4A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
AGRF800-2

WS Part No.
1092096-AGRF800-2

Littelfuse Inc.

POLYSWITCH PTC RESET 8A HLD
Datasheet

Low Stock
Available

MOQ: 230

rohs

Mfr. Part No.
AGRF1200-2

WS Part No.
793121-AGRF1200-2

Littelfuse Inc.

POLYSWITCH PTC RESET 12A HLD / PTC Resettable Fuse 12A(hold) 22.1A(trip) 16VDC 100A 4.2W 8s 0.07Ohm Radial 17.5 X 3.5 X 28.8mm T/R Automotive
Datasheet

Low Stock
Available

MOQ: 55

rohs

Mfr. Part No.
AGRF1200

WS Part No.
804578-AGRF1200

Littelfuse Inc.

PTC RESET FUSE 16V 12A RADIAL / PolySwitch Resettable Devices Automotive Devices

Low Stock
Available

MOQ: 55

rohs

Mfr. Part No.
RXEF065-AP

WS Part No.
1607562-RXEF065-AP

Littelfuse Inc.

PTC RESET FUSE 72V 650MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF065-AP

WS Part No.
1605511-RXEF065-AP

Littelfuse Inc.

PTC RESET FUSE 72V 650MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF020S-2

WS Part No.
1607559-RXEF020S-2

Littelfuse Inc.

PTC RESET FUSE 72V 200MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF020S-2

WS Part No.
1605508-RXEF020S-2

Littelfuse Inc.

PTC RESET FUSE 72V 200MA RADIAL

Low Stock
Available

MOQ: 1

rohs
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