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PTC Resettable Fuses : 3168 - Page 38

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.
RUEF250-2

WS Part No.
1093072-RUEF250-2

Littelfuse Inc.

POLYSWITCH PTC RESET 2.5A
Datasheet

127 pieces In Stock

MOQ: 75

rohs

Mfr. Part No.
RUEF110

WS Part No.
662004-RUEF110

Littelfuse Inc.

PTC RESET FUSE 30V 1.1A RADIAL / Polymeric PTC Resettable Fuse 30V 1.1 A Ih Through Hole Radial, Disc
Datasheet

27,565 pieces In Stock

MOQ: 220

rohs

Mfr. Part No.
RUEF110-2

WS Part No.
1093071-RUEF110-2

Littelfuse Inc.

POLYSWITCH PTC RESET 1.1A
Datasheet

5,650 pieces In Stock

MOQ: 190

rohs

Mfr. Part No.
RKEF500

WS Part No.
804940-RKEF500

Littelfuse Inc.

PTC RESET FUSE 60V 5A RADIAL / PolySwitch Resettable Devices Radial-leaded Devices

4,688 pieces In Stock

MOQ: 70

rohs

Mfr. Part No.
RKEF300

WS Part No.
1092099-RKEF300

Littelfuse Inc.

POLYSWITCH PTC RESET 3A T/H
Datasheet

380 pieces In Stock

MOQ: 115

rohs

Mfr. Part No.
RKEF250

WS Part No.
660481-RKEF250

Littelfuse Inc.

PTC RESET FUSE 60V 2.5A RADIAL
Datasheet

6,000 pieces In Stock

MOQ: 100

rohs

Mfr. Part No.
RKEF185

WS Part No.
660480-RKEF185

Littelfuse Inc.

PTC RESET FUSE 60V 1.85A RADIAL
Datasheet

5,865 pieces In Stock

MOQ: 175

rohs

Mfr. Part No.
RGEF700

WS Part No.
046195-RGEF700

TE Connectivity

POLYSWITCH RGE SERIES 7.0A HOLD

9,000 pieces In Stock

MOQ: 125

rohs

Mfr. Part No.
RGEF500

WS Part No.
095172-RGEF500

TE Connectivity

POLYSWITCH RGE SERIES 5.0A HOLD

5,430 pieces In Stock

MOQ: 125

rohs

Mfr. Part No.
RGEF300

WS Part No.
660176-RGEF300

Littelfuse Inc.

PTC RESET FUSE 16V 3A RADIAL
Datasheet

30,000 pieces In Stock

MOQ: 150

rohs

Mfr. Part No.
RF4367-000

WS Part No.
962795-RF4367-000

Littelfuse Inc.

Ptc Resettable Fuse Tc

34,960 pieces In Stock

MOQ: 625

rohs

Mfr. Part No.
RF1403-000

WS Part No.
974560-RF1403-000

Littelfuse Inc.

PTC Resettable Fuse 0.5A(hold) 1A(trip) 24VDC 100A 0.8W 0.15s 0.15Ohm SMD Solder Pad 1812 T/R Automotive

12,888 pieces In Stock

MOQ: 490

rohs

Mfr. Part No.
RF1358-000

WS Part No.
1122355-RF1358-000

Littelfuse Inc.

PTC Resettable Fuse 1.5A(hold) 3A(trip) 6VDC 100A 0.8W 0.3s 0.04Ohm SMD Solder Pad 1206 T/R Automotive

46,710 pieces In Stock

MOQ: 925

rohs

Mfr. Part No.
RF1350-000

WS Part No.
835241-RF1350-000

Tyco Electronics

18,360 pieces In Stock

MOQ: 445

rohs

Mfr. Part No.
RF1347-000

WS Part No.
979323-RF1347-000

Littelfuse Inc.

PTC Resettable Fuse 0.5A(hold) 1.1A(trip) 13.2VDC 100A 0.8W 0.1s 0.2Ohm SMD Solder Pad 1206 T/R Automotive

4,308 pieces In Stock

MOQ: 400

rohs

Mfr. Part No.
RF1346-000

WS Part No.
1001492-RF1346-000

Littelfuse Inc.

PTC Resettable Fuse 0.35A(hold) 0.75A(trip) 16VDC 20A 0.6W 0.1s 0.45Ohm SMD Solder Pad 1206 T/R Automotive

27,160 pieces In Stock

MOQ: 670

rohs

Mfr. Part No.
RF1344-000

WS Part No.
1081533-RF1344-000

Littelfuse Inc.

PTC Resettable Fuse 0.16A(hold) 0.45A(trip) 8VDC 10A 0.5W 0.3s 1.1Ohm SMD Solder Pad 1206 T/R Automotive

9,000 pieces In Stock

MOQ: 355

rohs

Mfr. Part No.
RF1343-000

WS Part No.
1088044-RF1343-000

Littelfuse Inc.

Circuit Protection Device, PTC, Surface Mount, 48VDC, 0.12A, NANOSMDC012F-2

21,110 pieces In Stock

MOQ: 485

rohs

Mfr. Part No.
RF1334-000

WS Part No.
835237-RF1334-000

Littelfuse Inc.

3,840 pieces In Stock

MOQ: 470

rohs

Mfr. Part No.
RF1238-000

WS Part No.
990940-RF1238-000

Littelfuse Inc.

PTC Resettable Fuse 1.8A(hold) 3.6A(trip) 33VDC 40A 1.5W 5s 0.065Ohm SMD Solder Pad 3425

5,340 pieces In Stock

MOQ: 130

rohs
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