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PTC Resettable Fuses : 3168 - Page 44

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.
LVR040S-1

WS Part No.
1607339-LVR040S-1

Littelfuse Inc.

PTC RESET FUSE 240V 400MA RADIAL

2,699 pieces In Stock

MOQ: 570

rohs

Mfr. Part No.
LVR040S-1

WS Part No.
1605305-LVR040S-1

Littelfuse Inc.

PTC RESET FUSE 240V 400MA RADIAL

2,699 pieces In Stock

MOQ: 570

rohs

Mfr. Part No.
MF-NSMF012-2

WS Part No.
023196-MF-NSMF012-2

Bourns Inc.

PTC RESETTABLE .12A 30V 1206
Datasheet

126,000 pieces In Stock

MOQ: 1980

rohs

Mfr. Part No.
MF-FSMF050X-2

WS Part No.
058456-MF-FSMF050X-2

Bourns Inc.

FUSE PTC RESET 500MA SMD 0603
Datasheet

15,000 pieces In Stock

MOQ: 1000

rohs

Mfr. Part No.
TRF250-120ST-RG-B-0.5

WS Part No.
1607606-TRF250-120ST-RG-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-120ST-RG-B-0.5

WS Part No.
1605562-TRF250-120ST-RG-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

Low Stock
Available

MOQ: 1

rohs

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

WS Part No.
1607521-TRF250-145T-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 145MA RADIAL

Low Stock
Available

MOQ: 1

rohs

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

WS Part No.
1605576-TRF250-145T-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 145MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-183U

WS Part No.
1607629-TRF250-183U

Littelfuse Inc.

PTC RESET FUSE 100V 183MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-183U

WS Part No.
1605592-TRF250-183U

Littelfuse Inc.

PTC RESET FUSE 100V 183MA RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
TRF250-120T-R1-B-0.5

WS Part No.
1607609-TRF250-120T-R1-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

5,500 pieces In Stock

MOQ: 610

rohs

Mfr. Part No.
TRF250-120T-R1-B-0.5

WS Part No.
1605565-TRF250-120T-R1-B-0.5

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL

5,500 pieces In Stock

MOQ: 610

rohs

Mfr. Part No.
MF-MSMF020-2

WS Part No.
023188-MF-MSMF020-2

Bourns Inc.

PTC RESETTABLE .20A 30V 1812
Datasheet

60,000 pieces In Stock

MOQ: 1115

rohs

Mfr. Part No.
FSMD010-0805-R

WS Part No.
133460-FSMD010-0805-R

RFE/Fuzetec

RESETTABLE FUSE - SMD, 0805 SIZE
Datasheet

16,593 pieces In Stock

MOQ: 1140

rohs

Mfr. Part No.
BD540-30

WS Part No.
1607322-BD540-30

Littelfuse Inc.

PTC RESET FUSE 16V 21A RADIAL

Low Stock
Available

MOQ: 1

rohs

Mfr. Part No.
BD540-30

WS Part No.
1604228-BD540-30

Littelfuse Inc.

PTC RESET FUSE 16V 21A 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: 95

rohs

Mfr. Part No.
SMD1812B075TF/24

WS Part No.
1157095-SMD1812B075TF/24

Yageo

PPTC / Polymeric PTC Resettable Fuse 24V 750 mA Ih Surface Mount 1812 (4532 Metric), Concave
Datasheet

900,000 pieces In Stock

MOQ: 1320

rohs

Mfr. Part No.
RUEF135

WS Part No.
662005-RUEF135

Littelfuse Inc.

PTC RESET FUSE 30V 1.35A RADIAL / Polymeric PTC Resettable Fuse 30V 1.35 A Ih Through Hole Radial, Disc
Datasheet

60,000 pieces In Stock

MOQ: 295

rohs

Mfr. Part No.
MF-R050-2

WS Part No.
719422-MF-R050-2

Bourns Inc.

PTC RESET FUSE 60V 500MA RADIAL

10,000 pieces In Stock

MOQ: 175

rohs
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