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PTC Resettable Fuses from Littelfuse Inc. : 1427 - Page 29

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.
TRF250-120S-B-0.5

WS Part No.
1607520-TRF250-120S-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-120S-B-0.5

WS Part No.
1605575-TRF250-120S-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF300-1

WS Part No.
1607581-RXEF300-1

Littelfuse Inc.

PTC RESET FUSE 72V 3A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF300-1

WS Part No.
1605536-RXEF300-1

Littelfuse Inc.

PTC RESET FUSE 72V 3A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF050-1

WS Part No.
1607579-RXEF050-1

Littelfuse Inc.

PTC RESET FUSE 72V 500MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF050-1

WS Part No.
1605534-RXEF050-1

Littelfuse Inc.

PTC RESET FUSE 72V 500MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF135K-AP

WS Part No.
1607532-RXEF135K-AP

Littelfuse Inc.

PTC RESET FUSE 72V 1.35A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF135K-AP

WS Part No.
1605495-RXEF135K-AP

Littelfuse Inc.

PTC RESET FUSE 72V 1.35A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF110-AP

WS Part No.
1607563-RXEF110-AP

Littelfuse Inc.

PTC RESET FUSE 72V 1.1A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF110-AP

WS Part No.
1605512-RXEF110-AP

Littelfuse Inc.

PTC RESET FUSE 72V 1.1A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RXEF040S-2

WS Part No.
1607561-RXEF040S-2

Littelfuse Inc.

PTC RESET FUSE 72V 400MA RADIAL

3,000 pieces In Stock

MOQ: 135

rohs

Mfr. Part No.
RXEF040S-2

WS Part No.
1605510-RXEF040S-2

Littelfuse Inc.

PTC RESET FUSE 72V 400MA RADIAL

3,000 pieces In Stock

MOQ: 135

rohs

Mfr. Part No.
RUEF400K-AP

WS Part No.
1607526-RUEF400K-AP

Littelfuse Inc.

PTC RESET FUSE 30V 4A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUEF400K-AP

WS Part No.
1605488-RUEF400K-AP

Littelfuse Inc.

PTC RESET FUSE 30V 4A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUEF185-1

WS Part No.
1607576-RUEF185-1

Littelfuse Inc.

PTC RESET FUSE 30V 1.85A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
RUEF185-1

WS Part No.
1605526-RUEF185-1

Littelfuse Inc.

PTC RESET FUSE 30V 1.85A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
PICOASMDCH050F-2

WS Part No.
1314704-PICOASMDCH050F-2

Littelfuse Inc.

Low Stock
Available

MOQ: 85

rohs

Mfr. Part No.
SMD1206P025TSA

WS Part No.
794697-SMD1206P025TSA

Littelfuse Inc.

FUSE RESET 250MA 16V 1206 SMD
Datasheet

Low Stock
Available

MOQ: 95

Need to verify

Mfr. Part No.
RGEF400K-2

WS Part No.
1361767-RGEF400K-2

Littelfuse Inc.

PTC RESET FUSE 16V 4A RADIAL / Polymeric PTC Resettable Fuse 16V 4 A Ih Through Hole Radial, Disc
Datasheet

2,500 pieces In Stock

MOQ: 125

rohs

Mfr. Part No.
RXEF160-AP

WS Part No.
1607564-RXEF160-AP

Littelfuse Inc.

PTC RESET FUSE 72V 1.6A RADIAL

Low Stock
Available

MOQ: 0

rohs
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