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Product Index > Circuit Protection > PTC Resettable Fuses

PTC Resettable Fuses

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Compare Parts Datasheets Image Digi-Key Part Number Manufacturer Part Number Manufacturer Description Quantity Available
Unit Price
AUD
Minimum Quantity Packaging Series Part Status Type Voltage - Max Current - Max Current - Hold (Ih) (Max) Current - Trip (It) Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Ratings Mounting Type Package / Case Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing
   
LR4-600F Datasheet LR4-600F - Littelfuse Inc. LR4-600F-ND LR4-600F PTC RESET FUSE 20V 6A STRAP 16,418 - Immediate Available: 16,418 AU$2.03000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 20V 100A 6A 11.7A 5s 7 mOhms 19 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.984" L x 0.559" W (25.00mm x 14.20mm)
-
0.039" (1.00mm)
-
LR4-260F Datasheet LR4-260F - Littelfuse Inc. LR4-260F-ND LR4-260F PTC RESET FUSE 15V 2.6A STRAP 1,424 - Immediate Available: 1,424 AU$1.33000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 15V 100A 2.6A 5.8A 5s 20 mOhms 63 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.866" L x 0.205" W (22.00mm x 5.20mm)
-
0.039" (1.00mm)
-
LR4-730F Datasheet LR4-730F - Littelfuse Inc. LR4-730F-ND LR4-730F PTC RESET FUSE 20V 7.3A STRAP 13,269 - Immediate Available: 13,269 AU$2.23000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 20V 100A 7.3A 14.1A 5s 6 mOhms 15 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 1.106" L x 0.559" W (28.10mm x 14.20mm)
-
0.039" (1.00mm)
-
LR4-900F Datasheet LR4-900F - Littelfuse Inc. LR4-900F-ND LR4-900F PTC RESET FUSE 20V 9A STRAP 6,262 - Immediate Available: 6,262 AU$2.63000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 20V 100A 9A 16.7A 5s 6 mOhms 14 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 1.831" L x 0.323" W (46.50mm x 8.20mm)
-
0.039" (1.00mm)
-
LR4-380F Datasheet LR4-380F - Littelfuse Inc. LR4-380F-ND LR4-380F PTC RESET FUSE 15V 3.8A STRAP 9,734 - Immediate Available: 9,734 AU$1.55000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 15V 100A 3.8A 8.3A 5s 13 mOhms 37 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.984" L x 0.283" W (25.00mm x 7.20mm)
-
0.039" (1.00mm)
-
LR4-260SF Datasheet LR4-260SF - Littelfuse Inc. LR4-260SF-ND LR4-260SF PTC RESET FUSE 15V 2.6A STRAP 1,500 - Immediate Available: 1,500 AU$1.33000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 15V 100A 2.6A 5.8A 5s 20 mOhms 63 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.866" L x 0.205" W (22.00mm x 5.20mm)
-
-
-
LR4-450F Datasheet LR4-450F - Littelfuse Inc. LR4-450F-ND LR4-450F PTC RESET FUSE 20V 4.5A STRAP 4,648 - Immediate Available: 4,648 AU$1.65000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 20V 100A 4.5A 8.9A 5s 11 mOhms 28 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.984" L x 0.413" W (25.00mm x 10.50mm)
-
0.039" (1.00mm)
-
LR4-550F Datasheet LR4-550F - Littelfuse Inc. LR4-550F-ND LR4-550F PTC RESET FUSE 20V 5.5A STRAP 0 Available: 0
Standard Lead Time 9 Weeks
AU$1.81000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 20V 100A 5.5A 10.5A 5s 9 mOhms 22 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 1.417" L x 0.283" W (36.00mm x 7.20mm)
-
0.039" (1.00mm)
-
LR4-1300SSF Datasheet LR4-1300SSF - Littelfuse Inc. LR4-1300SSF-ND LR4-1300SSF PTC RESET FUSE 20V 13A STRAP 0 Available: 0
Standard Lead Time 9 Weeks
AU$3.28000 1 Minimum: 1 Bag PolySwitch®, LR4 Active Polymeric 20V 100A 13A 21.2A 10s 3.5 mOhms 9 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 2.520" L x 0.382" W (64.00mm x 9.70mm)
-
-
-
LR4-190F Datasheet LR4-190F - Littelfuse Inc. LR4-190F-ND LR4-190F PTC RESET FUSE 15V 1.9A STRAP 0 Available: 0
Standard Lead Time 9 Weeks
AU$0.46592 2,000
Non-Stock
Minimum: 2,000
Bag PolySwitch®, LR4 Active Polymeric 15V 100A 1.9A 3.9A 5s 39 mOhms 102 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.827" L x 0.205" W (21.00mm x 5.20mm)
-
-
-
LR4-380XF Datasheet Photo Not Available LR4-380XF-ND LR4-380XF PTC RESET FUSE 15V 3.8A STRAP 0 Available: 0
Standard Lead Time 9 Weeks
AU$0.69971 1,000
Non-Stock
Minimum: 1,000
Bulk PolySwitch®, LR4 Active Polymeric 15V 100A 3.8A 8.3A 5s 13 mOhms 37 mOhms
-
-
-
User Defined Strap 1.339" L x 0.205" W (34.00mm x 5.20mm)
-
0.039" (1.00mm)
-
LR4-600XF Datasheet LR4-600XF - Littelfuse Inc. LR4-600XF-ND LR4-600XF PTC RESET FUSE 20V 6A STRAP 0 Available: 0
Standard Lead Time 9 Weeks
AU$0.79040 10,000
Non-Stock
Minimum: 10,000
Bulk PolySwitch®, LR4 Active Polymeric 20V 100A 6A 11.7A 5s 7 mOhms 19 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 1.638" L x 0.283" W (41.60mm x 7.20mm)
-
0.039" (1.00mm)
-
LR4-380LF Datasheet Photo Not Available LR4-380LF-ND LR4-380LF PTC RESET FUSE 20V 3.8A STRAP 0 Available: 0
Discontinued at Digi-Key
-
Bulk PolySwitch®, LR4 Discontinued at Digi-Key Polymeric 20V 100A 3.8A 8.3A 5s 13 mOhms 37 mOhms
-
-40°C ~ 85°C
-
User Defined Strap
-
-
-
-
LR4-380SSF Datasheet Photo Not Available LR4-380SSF-ND LR4-380SSF PTC RESET FUSE 15V 3.8A STRAP 0 Available: 0
Obsolete
-
Bulk PolySwitch®, LR4 Obsolete Polymeric 15V 100A 3.8A 8.3A 5s 13 mOhms 26 mOhms
-
-
-
User Defined Strap
-
-
-
-
LR4-700XHF Datasheet Photo Not Available LR4-700XHF-ND LR4-700XHF PTC RESET FUSE 20V 7A STRAP 0 Available: 0
Obsolete
-
Bulk PolySwitch®, LR4 Obsolete Polymeric 20V 100A 7A
-
5s
-
-
-
-
-
User Defined Strap
-
-
-
-
LR4-73XF Datasheet LR4-73XF - Littelfuse Inc. LR4-73XF-ND LR4-73XF PTC RESET FUSE 730MA STRAP 0 Available: 0
Active
-
Bulk PolySwitch®, LR4 Active Polymeric
-
100A 730mA
-
-
-
-
-
-40°C ~ 85°C
-
User Defined Strap 1.831" L x 0.323" W (46.50mm x 8.20mm)
-
0.039" (1.00mm)
-
LR4-250UF Datasheet Photo Not Available LR4-250UF-ND LR4-250UF PTC RESET FUSE 15V 2.5A STRAP 0 Available: 0
Obsolete
-
Bulk PolySwitch®, LR4 Obsolete Polymeric 15V 100A 2.5A
-
-
-
-
-
-
-
User Defined Strap
-
-
-
-
LR4-560F Datasheet Photo Not Available LR4-560F-ND LR4-560F PTC RESET FUSE 20V 5.6A STRAP 0 Available: 0
Obsolete
-
Bulk PolySwitch®, LR4 Obsolete Polymeric 20V 100A 5.6A
-
-
-
-
-
-
-
User Defined Strap 0.984" L x 0.559" W (25.00mm x 14.20mm)
-
0.039" (1.00mm)
-
LR4-600-C100F Datasheet Photo Not Available LR4-600-C100F-ND LR4-600-C100F PTC RESET FUSE 20V 6A STRAP 0 Available: 0
Discontinued at Digi-Key
-
Bulk PolySwitch®, LR4 Discontinued at Digi-Key Polymeric 20V 100A 6A 11.7A 5s
-
-
-
-
-
User Defined Strap
-
-
-
-
LR4-970H-C65F Datasheet Photo Not Available LR4-970H-C65F-ND LR4-970H-C65F PTC RESET FUSE 20V 9.7A STRAP 0 Available: 0
Obsolete
-
Bulk PolySwitch®, LR4 Obsolete Polymeric 20V 100A 9.7A
-
-
-
-
-
-
-
User Defined Strap
-
-
-
-
LR4-1300F Datasheet LR4-1300F - Littelfuse Inc. LR4-1300F-ND LR4-1300F PTC RESET FUSE 20V 13A STRAP 0 Available: 0
Active
-
Bag PolySwitch®, LR4 Active Polymeric 20V 100A 13A 21.2A 10s 3.5 mOhms 9 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 2.520" L x 0.382" W (64.00mm x 9.70mm)
-
-
-
LR4-190LF Datasheet LR4-190LF - Littelfuse Inc. LR4-190LF-ND LR4-190LF PTC RESET FUSE 15V 1.9A STRAP 0 Available: 0
Obsolete
-
Bag PolySwitch®, LR4 Obsolete Polymeric 15V 100A 1.9A 3.9A 5s 39 mOhms 102 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 1.161" L x 0.205" W (29.50mm x 5.20mm)
-
-
-
LR4-190SLF Datasheet LR4-190SLF - Littelfuse Inc. LR4-190SLF-ND LR4-190SLF PTC RESET FUSE 15V 1.9A STRAP 0 Available: 0
Active
-
Bag PolySwitch®, LR4 Active Polymeric 15V 100A 1.9A 3.9A 5s 39 mOhms 102 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.945" L x 0.205" W (24.00mm x 5.20mm)
-
0.039" (1.00mm)
-
LR4-190XF Datasheet LR4-190XF - Littelfuse Inc. LR4-190XF-ND LR4-190XF PTC RESET FUSE 15V 1.9A STRAP 0 Available: 0
Active
-
Bag PolySwitch®, LR4 Active Polymeric 15V 100A 1.9A 3.9A 5s 39 mOhms 102 mOhms
-
-40°C ~ 85°C
-
User Defined Strap 0.648" L x 0.283" W (16.45mm x 7.20mm)
-
0.039" (1.00mm)
-
LR4-550RAF Datasheet LR4-550RAF - Littelfuse Inc. LR4-550RAF-ND LR4-550RAF PTC RESET FUSE 20V 5.5A STRAP 0 Available: 0
Active
-
Bag PolySwitch®, LR4 Active Polymeric 20V 100A 5.5A 10.5A 5s 9 mOhms 22 mOhms
-
-40°C ~ 85°C
-
User Defined Strap
-
-
-
-
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07:11:00 5/27/2020