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PTC Resettable Fuses from Littelfuse Inc. : 1427 - Page 12

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.
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: 465

rohs

Mfr. Part No.
RF1183-000

WS Part No.
1157042-RF1183-000

Littelfuse Inc.

PTC Resettable Fuse 2.6A(hold) 5A(trip) 12VDC 100A 1W 5s 0.015Ohm SMD Solder Pad 1812 T/R Automotive

9,310 pieces In Stock

MOQ: 830

rohs

Mfr. Part No.
RF1181-000

WS Part No.
931949-RF1181-000

Littelfuse Inc.

PTC RESET FUSE 24V 750MA 1812

9,330 pieces In Stock

MOQ: 235

rohs

Mfr. Part No.
RF1182-000

WS Part No.
1004213-RF1182-000

Littelfuse Inc.

PTC Resettable Fuse 1.1A(hold) 2.2A(trip) 24VDC 20A 0.8W 0.5s 0.06Ohm SMD Solder Pad 1812 T/R Automotive

510 pieces In Stock

MOQ: 230

rohs

Mfr. Part No.
ASMDC185F/33-2

WS Part No.
1301596-ASMDC185F/33-2

Littelfuse Inc.

Datasheet

47,000 pieces In Stock

MOQ: 70

rohs

Mfr. Part No.
ASMD250F-2

WS Part No.
123415-ASMD250F-2

Littelfuse Inc.

POLYSWITCH PTC RESET 1.97A HOLD
Datasheet

Low Stock
Available

MOQ: 45

rohs

Mfr. Part No.
TSL250-080F-2

WS Part No.
1114670-TSL250-080F-2

Littelfuse Inc.

POLYSWITCH PTC RESET 0.08A SMD
Datasheet

22,800 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
TRF600-400

WS Part No.
1605228-TRF600-400

Littelfuse Inc.

PTC RESET FUSE 60V 400MA RADIAL

15,000 pieces In Stock

MOQ: 60

rohs

Mfr. Part No.
TRF600-160-2

WS Part No.
1088123-TRF600-160-2

Littelfuse Inc.

PTC RESET FUSE 250V 160MA RADIAL / Polymeric PTC Resettable Fuse 250V (600V Int) 160 mA Ih Through Hole Radial, Disc
Datasheet

100 pieces In Stock

MOQ: 30

rohs

Mfr. Part No.
TRF250-120U

WS Part No.
1361723-TRF250-120U

Littelfuse Inc.

PTC RESET FUSE 60V 120MA RADIAL / Polymeric PTC Resettable Fuse 60V (250V Int) 120 mA Ih Through Hole Radial, Disc
Datasheet

Low Stock
Available

MOQ: 45

rohs

Mfr. Part No.
AHEF750

WS Part No.
768363-AHEF750

Littelfuse Inc.

POLYSWITCH PTC RESET 7.5A HOLD / PTC Resettable Fuse 7.5A(hold) 15A(trip) 32VDC 100A 6.5W 13s 0.0074Ohm Radial 21.1 X 3.8 X 24.9mm Bag Automotive
Datasheet

2,140 pieces In Stock

MOQ: 60

rohs

Mfr. Part No.
AHEF300

WS Part No.
1361616-AHEF300

Littelfuse Inc.

PTC RESET FUSE 32V 3A RADIAL / Polymeric PTC Resettable Fuse 32V 3 A Ih Through Hole Radial, Disc

520 pieces In Stock

MOQ: 120

rohs

Mfr. Part No.
AGRF1400

WS Part No.
1142942-AGRF1400

Littelfuse Inc.

PolySwitch Resettable Devices Automotive Devices | PTC RESET FUSE 16V 14A RADIAL

2,000 pieces In Stock

MOQ: 95

rohs

Mfr. Part No.
PICOSMDC010S-2

WS Part No.
1089282-PICOSMDC010S-2

Littelfuse Inc.

POLYSWITCH .10A RESET FUSE SMD
Datasheet

23,848 pieces In Stock

MOQ: 95

rohs

Mfr. Part No.
PICOSMDC110S-2

WS Part No.
505750-PICOSMDC110S-2

Littelfuse Inc.

PTC RESET FUSE 6V 1.1A 0805
Datasheet

370,875 pieces In Stock

MOQ: 830

rohs

Mfr. Part No.
LVR025K

WS Part No.
1209627-LVR025K

Littelfuse Inc.

PolySwitch Resettable Devices Line-Voltage-Rated Devices | PTC RESET FUSE 240V 250MA RADIAL

2,000 pieces In Stock

MOQ: 75

rohs

Mfr. Part No.
TRF600-160

WS Part No.
1273926-TRF600-160

Littelfuse Inc.

PolySwitch Resettable Devices Telecommunications & Networking Devices | PTC RESET FUSE 250V 160MA RADIAL

Low Stock
Available

MOQ: 490

rohs

Mfr. Part No.
NANOSMDCH030F/24-02

WS Part No.
1361760-NANOSMDCH030F/24-02

Littelfuse Inc.

PTC RESET FUSE 24V 300MA 1206 / Polymeric PTC Resettable Fuse 24V 300 mA Ih Surface Mount 1206 (3216 Metric)

Low Stock
Available

MOQ: 40

rohs

Mfr. Part No.
NANOSMDC200F-2

WS Part No.
097799-NANOSMDC200F-2

Littelfuse Inc.

POLYSWITCH 2.00A RESET FUSE SMD
Datasheet

46,340 pieces In Stock

MOQ: 685

rohs

Mfr. Part No.
NANOSMDC050F/13.2-2

WS Part No.
1081653-NANOSMDC050F/13.2-2

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 / POLYSWITCH 0.50A RESET FUSE SMD
Datasheet

68,888 pieces In Stock

MOQ: 530

rohs
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