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PTC Resettable Fuses from Littelfuse Inc. : 1427 - Page 62

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.
LR4-1300SSF

WS Part No.
780080-LR4-1300SSF

Littelfuse Inc.

POLYSWITCH PTC RESET 13A STRAP / PTC Resettable Fuse 13A(hold) 21.2A(trip) 20VDC 100A 4.5W 10s 0.0035Ohm SMD Solder Pad 66.5 X 10 X 1.3mm Bag
Datasheet

407 pieces In Stock

MOQ: 40

rohs

Mfr. Part No.
AHRF070

WS Part No.
768365-AHRF070

Littelfuse Inc.

POLYSWITCH PTC RESET .70A HOLD / PTC Resettable Fuse 0.7A(hold) 1.4A(trip) 30V 40A 1.4W 3.2s 0.23Ohm Radial 6.9 X 5.08mm Bag Automotive
Datasheet

26,000 pieces In Stock

MOQ: 115

rohs

Mfr. Part No.
LR4-900F

WS Part No.
746883-LR4-900F

Littelfuse Inc.

PTC RESET FUSE 20V 9A STRAP
Datasheet

10,500 pieces In Stock

MOQ: 55

rohs

Mfr. Part No.
NANOSMDC025F-2

WS Part No.
715572-NANOSMDC025F-2

Littelfuse Inc.

PTC RESET FUSE 16V 250MA 1206

7,000 pieces In Stock

MOQ: 185

rohs

Mfr. Part No.
VLR175LF

WS Part No.
721104-VLR175LF

Littelfuse Inc.

PolySwitchâ„¢ Resettable Device Short Form Catalog | PTC RESET FUSE 12V 1.75A STRAP

2,000 pieces In Stock

MOQ: 80

rohs

Mfr. Part No.
SRP200F

WS Part No.
1258816-SRP200F

Littelfuse Inc.

PolySwitchâ„¢ Resettable Device Short Form Catalog | PTC RESET FUSE 30V 2A STRAP

4,000 pieces In Stock

MOQ: 95

rohs

Mfr. Part No.
LTP190F

WS Part No.
1209422-LTP190F

Littelfuse Inc.

PolySwitchâ„¢ Resettable Device Short Form Catalog | PTC RESET FUSE 24V 1.9A STRAP

7,000 pieces In Stock

MOQ: 110

rohs

Mfr. Part No.
LVRL075S

WS Part No.
1209641-LVRL075S

Littelfuse Inc.

PolySwitch Resettable Devices Line-Voltage-Rated Devices | PTC RESET FUSE 120V 750MA RADIAL

7,000 pieces In Stock

MOQ: 115

rohs

Mfr. Part No.
AGRF900

WS Part No.
1142943-AGRF900

Littelfuse Inc.

PolySwitch Resettable Devices Automotive Devices | PTC RESET FUSE 16V 9A RADIAL

7,000 pieces In Stock

MOQ: 90

rohs

Mfr. Part No.
TS250-130F-B-0.5-2

WS Part No.
691509-TS250-130F-B-0.5-2

Littelfuse Inc.

PPTC-TLINE-PSW

Low Stock
Available

MOQ: 65

rohs

Mfr. Part No.
LR4-190F

WS Part No.
1204477-LR4-190F

Littelfuse Inc.

PolySwitchâ„¢ Resettable Device Short Form Catalog | PTC RESET FUSE 15V 1.9A STRAP

26,000 pieces In Stock

MOQ: 115

rohs

Mfr. Part No.
72R300XMR

WS Part No.
1361800-72R300XMR

Littelfuse Inc.

PTC RESET FUSE 72V 3A RADIAL / Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc

270 pieces In Stock

MOQ: 135

rohs

Mfr. Part No.
RHEF400

WS Part No.
660273-RHEF400

Littelfuse Inc.

PTC RESET FUSE 16V 4A RADIAL
Datasheet

34,000 pieces In Stock

MOQ: 75

rohs

Mfr. Part No.
1210L110/12WR

WS Part No.
1001257-1210L110/12WR

Littelfuse Inc.

PTC 12V POLYFUSE SMT 1210 1.10A

52,000 pieces In Stock

MOQ: 1260

rohs

Mfr. Part No.
1812L110PRT

WS Part No.
097832-1812L110PRT

Littelfuse Inc.

PTC 1.1A 6VDC RESETTABLE 1812L
Datasheet

8,000 pieces In Stock

MOQ: 350

rohs

Mfr. Part No.
1812L125DR

WS Part No.
197332-1812L125DR

Littelfuse Inc.

PTC 1.25A 15VDC RESETTABLE 1812L
Datasheet

31,000 pieces In Stock

MOQ: 60

rohs

Mfr. Part No.
1812L150PRT

WS Part No.
106786-1812L150PRT

Littelfuse Inc.

PTC 1.50A 8VDC RESETTABLE 1812L
Datasheet

13,500 pieces In Stock

MOQ: 235

rohs

Mfr. Part No.
1812L260ZR

WS Part No.
127156-1812L260ZR

Littelfuse Inc.

PTC 2.60A 8VDC RESETTABLE 1812L
Datasheet

7,000 pieces In Stock

MOQ: 135

rohs

Mfr. Part No.
1210L110WR

WS Part No.
127178-1210L110WR

Littelfuse Inc.

PTC RESETTABLE 6V 1.10A SMD 1210
Datasheet

6,000 pieces In Stock

MOQ: 160

rohs

Mfr. Part No.
1206L150PR

WS Part No.
119822-1206L150PR

Littelfuse Inc.

FUSE PTC RESET 6V 1.50A 1206
Datasheet

1,700 pieces In Stock

MOQ: 215

rohs
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