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PTC Resettable Fuses from Littelfuse Inc. : 1427 - Page 63

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.
1206L150PR

WS Part No.
119822-1206L150PR

Littelfuse Inc.

FUSE PTC RESET 6V 1.50A 1206
Datasheet

1,700 pieces In Stock

MOQ: 215

rohs

Mfr. Part No.
0805L035YRHF

WS Part No.
197198-0805L035YRHF

Littelfuse Inc.

FUSE PTC 6V .35A RESETTABLE 0805
Datasheet

14,600 pieces In Stock

MOQ: 35

rohs

Mfr. Part No.
NANOSMDC150-2

WS Part No.
109174-NANOSMDC150-2

Littelfuse Inc.

POLYSWITCH 1.50A RESET FUSE SMD
Datasheet

6,000 pieces In Stock

MOQ: 150

Need to verify

Mfr. Part No.
MINISMDE190F-2

WS Part No.
044828-MINISMDE190F-2

Littelfuse Inc.

PolySwitch Resettable Devices Strap Battery Devices | PTC RESET FUSE 16V 1.9A 4520 / PTC Resettable Fuse 1.9A(hold) 3.8A(trip) 16V 100A 1.5W 0.024Ohm SMD Solder Pad 1812 T/R
Datasheet

7,880 pieces In Stock

MOQ: 135

rohs

Mfr. Part No.
MINISMDC150-2

WS Part No.
104309-MINISMDC150-2

Littelfuse Inc.

POLYSWITCH 1.5A RESET FUSE SMD
Datasheet

14,200 pieces In Stock

MOQ: 250

Need to verify

Mfr. Part No.
MINISMDC200-2

WS Part No.
106220-MINISMDC200-2

Littelfuse Inc.

POLYSWITCH 2.0A RESET FUSE SMD
Datasheet

8,500 pieces In Stock

MOQ: 270

Need to verify

Mfr. Part No.
MINISMDC075-2

WS Part No.
101526-MINISMDC075-2

Littelfuse Inc.

POLYSWITCH .75A RESET FUSE SMD
Datasheet

39,100 pieces In Stock

MOQ: 375

Need to verify

Mfr. Part No.
MINISMDC050-2

WS Part No.
116504-MINISMDC050-2

Littelfuse Inc.

POLYSWITCH .50A RESET FUSE SMD
Datasheet

3,120 pieces In Stock

MOQ: 235

Need to verify

Mfr. Part No.
MINISMDC050F-02

WS Part No.
231232-MINISMDC050F-02

Littelfuse Inc.

PTC RESET FUSE 24V 500MA 1812

7,700 pieces In Stock

MOQ: 130

rohs

Mfr. Part No.
MICROSMD075-2

WS Part No.
111919-MICROSMD075-2

Littelfuse Inc.

POLYSWITCH 0.75A RESET FUSE SMD
Datasheet

4,660 pieces In Stock

MOQ: 140

Need to verify

Mfr. Part No.
MICROSMD110-2

WS Part No.
112337-MICROSMD110-2

Littelfuse Inc.

POLYSWITCH 1.10A RESET FUSE SMD
Datasheet

5,350 pieces In Stock

MOQ: 170

Need to verify

Mfr. Part No.
MICROSMD050-2

WS Part No.
113506-MICROSMD050-2

Littelfuse Inc.

POLYSWITCH 0.50A RESET FUSE SMD
Datasheet

3,370 pieces In Stock

MOQ: 140

Need to verify

Mfr. Part No.
SMDH120-2

WS Part No.
102439-SMDH120-2

Littelfuse Inc.

POLYSWITCH PTC 1.2A SMD
Datasheet

20,000 pieces In Stock

MOQ: 120

rohs

Mfr. Part No.
SMD300-2

WS Part No.
121277-SMD300-2

Littelfuse Inc.

POLYSWITCH 3.00A RESET FUSE SMD
Datasheet

2,020 pieces In Stock

MOQ: 105

Need to verify

Mfr. Part No.
SMD250-2

WS Part No.
121471-SMD250-2

Littelfuse Inc.

POLYSWITCH 2.50A HOLD SMD
Datasheet

1,500 pieces In Stock

MOQ: 295

Need to verify

Mfr. Part No.
SMD260-2

WS Part No.
107277-SMD260-2

Littelfuse Inc.

POLYSWITCH 2.6A RESET FUSE SMD
Datasheet

1,950 pieces In Stock

MOQ: 235

Need to verify

Mfr. Part No.
SMD200-2

WS Part No.
328750-SMD200-2

Littelfuse Inc.

POLYSWITCH 2.00A HOLD SMD

3,260 pieces In Stock

MOQ: 7

Need to verify

Mfr. Part No.
SMD125-2

WS Part No.
107576-SMD125-2

Littelfuse Inc.

POLYSWITCH 1.25A HOLD SMD
Datasheet

14,900 pieces In Stock

MOQ: 390

Need to verify

Mfr. Part No.
SMD150-2

WS Part No.
113471-SMD150-2

Littelfuse Inc.

POLYSWITCH 1.50A HOLD SMD
Datasheet

4,840 pieces In Stock

MOQ: 1055

Need to verify

Mfr. Part No.
SMD150F-2018-2

WS Part No.
125847-SMD150F-2018-2

Littelfuse Inc.

POLYSWITCH PTC RESET 1.5A SMD
Datasheet

35,000 pieces In Stock

MOQ: 135

rohs
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