Battery Strap PolySwitch PTCs

Littelfuse Battery Strap PolySwitch Resettable Polymeric Positive Temperature Coefficient (PPTC) Devices provide reliable, non-cycling protection against overcharging and short circuit events for rechargeable battery cells where resettable protection is desired. The axial leaded products offer several material platforms to help protect battery applications. Each material platform offers different performance characteristics that allow the engineer greater design flexibility. Littelfuse PolySwitch devices for battery protection include the SRP, LR4, VTP, VLP, VLR series, disc, and other special application strap devices.

Results: 30
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Mounting Style Termination Style Hold Current Maximum Voltage Trip Current Current Rating - Max Resistance Minimum Operating Temperature Maximum Operating Temperature Packaging
Littelfuse Resettable Fuses - PPTC 1.75A 16V 100A Imax 3.551In Stock
Rp18.346
Rp16.787
Rp12.897
Rp12.604
Min.: 1
Mult.: 1
VTP Strap Mount SMD/SMT 1.75 A 16 VDC 3.6 A 100 A 102 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 9A 20V 100A Imax 4.313In Stock
Rp22.382
Rp19.630
Rp17.025
Rp16.034
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 9 A 20 VDC 16.7 A 100 A 10 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 1.7A 16V 100A Imax 26In Stock
Rp19.447
Rp17.887
Rp12.365
Rp11.411
Min.: 1
Mult.: 1
VTP Strap Mount SMD/SMT 1.7 A 16 VDC 3.4 A 100 A 52 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 2.6A 15V 100A Imax 34.072In Stock
32.000Expected 01/02/2027
Rp15.227
Rp13.980
Rp11.613
Rp10.714
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 2.6 A 15 VDC 5.8 A 100 A 42 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 4.2A 30V 42.916In Stock
Rp17.796
Rp16.438
Rp11.723
Rp10.971
Min.: 1
Mult.: 1
SRP Strap Mount SMD/SMT 4.2 A 30 VDC 7.6 A 100 A 40 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC LR4-1300SSF 4.042In Stock
Rp46.232
Rp35.958
Rp33.390
Rp28.803
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 13 A 20 VDC 21.2 A 100 A 6.5 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC LR4-380F 5.046In Stock
Rp17.429
Rp15.998
Rp14.035
Rp10.659
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 3.8 A 15 VDC 8.3 A 100 A 26 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 4.5A 20V 100A Imax 3.915In Stock
4.000Expected 26/01/2027
Rp19.630
Rp18.016
Rp14.879
Rp13.796
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 4.5 A 20 VDC 8.9 A 100 A 20 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 5.5A 20V 100A Imax 16.528In Stock
Rp20.181
Rp18.529
Rp15.356
Rp14.163
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 5.5 A 20 VDC 10.5 A 100 A 16 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 6A 20V 100A Imax 5.426In Stock
Rp22.199
Rp20.548
Rp16.181
Rp15.667
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 6 A 20 VDC 11.7 A 100 A 14 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 7.3A 20V 100A Imax 13.598In Stock
Rp25.868
Rp23.666
Rp19.814
Rp18.199
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 7.3 A 20 VDC 14.1 A 100 A 12 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC SRP350F 29.104In Stock
5.500Expected 15/10/2026
Rp14.126
Rp12.457
Rp10.751
Rp9.925
Min.: 1
Mult.: 1
SRP Strap Mount SMD/SMT 3.5 A 30 VDC 6.3 A 100 A 50 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 1.75A 12V 100A Imax 16.473In Stock
22.000Expected 26/10/2026
Rp15.227
Rp13.980
Rp11.613
Rp10.714
Min.: 1
Mult.: 1
VLR Strap Mount SMD/SMT 1.75 A 12 VDC 4.2 A 100 A 62 mOhms - 40 C + 70 C Bulk
Littelfuse Resettable Fuses - PPTC 1.7A 16V 100A Imax 13.590In Stock
Rp17.062
Rp15.759
Rp13.081
Rp12.072
Min.: 1
Mult.: 1
VTP Strap Mount Axial 1.7 A 16 V 3.4 A 100 A 52 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC LR4-190F 2.830In Stock
Rp12.475
Rp11.411
Rp9.485
Rp8.751
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 1.9 A 15 VDC 3.9 A 100 A 72 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC SRP200F 190In Stock
35.000Expected 09/12/2026
Rp15.044
Rp13.741
Rp11.411
Rp10.531
Min.: 1
Mult.: 1
SRP Strap Mount SMD/SMT 2 A 30 VDC 4.4 A 100 A 100 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 2.7A 16V 60A Imax 2.478In Stock
Rp16.144
Rp14.603
Rp11.613
Rp11.118
Min.: 1
Mult.: 1
VLP Strap Mount SMD/SMT 2.7 A 16 VDC 6.5 A 60 A 36 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 1.7A 12V 100A Imax 1.715In Stock
Rp15.227
Rp13.980
Rp11.613
Rp10.714
Min.: 1
Mult.: 1
VLR Strap Mount SMD/SMT 1.7 A 12 VDC 4.1 A 100 A 64 mOhms - 40 C + 70 C Bulk
Littelfuse Resettable Fuses - PPTC 1.1A 16V 100A Imax 894In Stock
Rp12.475
Rp11.411
Rp9.485
Rp8.751
Min.: 1
Mult.: 1
VTP Strap Mount SMD/SMT 1.1 A 16 VDC 2.7 A 100 A 140 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 2.1A 16V 100A Imax 2.413In Stock
4.000Expected 06/10/2026
Rp16.144
Rp14.824
Rp12.310
Rp11.356
Min.: 1
Mult.: 1
VTP Strap Mount SMD/SMT 2.1 A 16 VDC 4.7 A 100 A 60 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 2.1A 16V 100A Imax 2.000In Stock
Rp15.227
Rp13.980
Rp11.613
Rp10.714
Min.: 1
Mult.: 1
VTP Strap Mount SMD/SMT 2.1 A 16 VDC 4.7 A 100 A 60 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC SRP175F
25.646On Order
Rp11.925
Rp10.898
Rp9.045
Rp8.347
Min.: 1
Mult.: 1
SRP Strap Mount SMD/SMT 1.75 A 15 VDC 3.8 A 100 A 120 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC 1.2A 15V 100A Imax
1.792Expected 06/10/2026
Rp12.659
Rp11.558
Rp9.595
Rp8.843
Min.: 1
Mult.: 1
SRP Strap Mount SMD/SMT 1.2 A 15 VDC 2.7 A 100 A 220 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC LR4-380XF Non-Stocked Lead-Time 17 Weeks
Rp18.529
Rp16.970
Rp14.090
Rp12.989
Min.: 1
Mult.: 1
LR4 Strap Mount SMD/SMT 3.8 A 15 VDC 8.3 A 100 A 26 mOhms - 40 C + 85 C Bulk
Littelfuse Resettable Fuses - PPTC LR4-600XF Non-Stocked Lead-Time 17 Weeks
Rp12.310
Min.: 10.000
Mult.: 1.000
LR4 Strap Mount SMD/SMT 6 A 20 VDC 11.7 A 100 A 14 mOhms - 40 C + 85 C Bulk