LR4 15/20V PolySwitch Battery Strap PPTCs

Littelfuse LR4 15/20V PolySwitch Battery Strap Polymeric Positive Temperature Coefficient Resettable Fuses (PPTCs) serve changing battery technology and help protect battery applications. Littelfuse LR4 offers a 3.8A to 13A hold current and 100A maximum current along with 15 or 20V maximum voltage. These Polyswitch devices provide fast time-to-trip and serve a variety of devices, including smartphones, tablet PCs, mobile radios, digital cameras, and power tool charge lines.

Results: 12
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) 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 9A 20V 100A Imax 4,313In Stock
$1.76
$1.54
$1.34
$1.26
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 2.6A 15V 100A Imax 34,072In Stock
32,000Expected 2027-02-01
$1.20
$1.10
$0.912
$0.841
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 LR4-1300SSF 4,042In Stock
$3.63
$2.82
$2.62
$2.26
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
$1.37
$1.26
$1.10
$0.837
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 2027-01-26
$1.54
$1.41
$1.17
$1.08
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
$1.58
$1.45
$1.21
$1.11
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
$1.74
$1.61
$1.27
$1.23
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
$2.03
$1.86
$1.56
$1.43
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 LR4-190F 2,830In Stock
$0.979
$0.896
$0.744
$0.687
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 2.6A 15V 100A Imax 440In Stock
1,000Expected 2026-12-31
$1.27
$1.16
$0.966
$0.891
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 LR4-380XF Non-Stocked Lead-Time 17 Weeks
$1.45
$1.33
$1.11
$1.02
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
$0.966
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