
For Reference Only
Part Number | LR4-730F |
OEMstron Part # | LR4-730F |
Manufacturer | Littelfuse |
Category | Power › Circuit Protection › PTC Resettable Fuses |
Description | PTC RESET FUSE 20V 7.3A STRAP |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | LR4-730F PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 15 - Mar 20 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
LR4-730F Specifications
Part Number | LR4-730F | |
Brand | Littelfuse | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Circuit Protection | |
Subcategory | PTC Resettable Fuses | |
Manufacturer | Littelfuse Inc. | |
Series | PolySwitch®, LR4 | |
Type | Polymeric | |
Voltage - Max | 20V | |
Current - Max | 100A | |
Current - Hold (Ih) (Max) | 7.3A | |
Current - Trip (It) | 14.1A | |
Time to Trip | 5s | |
Resistance - Initial (Ri) (Min) | 6 mOhms | |
Resistance - Post Trip (R1) (Max) | 15 mOhms | |
Resistance - 25°C (Typ) | - | |
Operating Temperature | -40°C ~ 85°C | |
Ratings | - | |
Mounting Type | User Defined | |
Package / Case | Strap | |
Size / Dimension | 1.106" L x 0.559" W (28.10mm x 14.20mm) | |
Height - Seated (Max) | - | |
Thickness (Max) | 0.039" (1.00mm) | |
Lead Spacing | - |
LR4-730F Documents

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Part Number | Description | Stock |
LR4-730F D# V36:1790_16264249 Littelfuse Inc |
PTC Resettable Fuse 7.3A(hold) 14.1A(trip) 20V 100A 3.3W 5s 0.006Ohm SMD Solder Pad 29.1 X 14.5 X 1mm Bag RoHS: Compliant
|
Americas - 636 |
Part Number | Description | Stock |
RALR-730(CROSS: LR4-730F) OptiFuse |
5000 |
Part Number | Description | Stock |
LR4-730F TE Connectivity |
FUSE, PTC RESET, 20V, 7.3A, STRAP, Holding Current:7.3A, Tripping Current:14.1A, Initial Resistance Max:0.012ohm, Operating Voltage:20V, PTC Fuse Case Style:Strap, External Depth:1mm, Initial Resistance Min:0.006ohm, Length:29.1mm , RoHS Compliant: Yes |
6690 |
Part Number | Description | Stock |
LR4-730F D# C1S425201063625 Littelfuse Inc |
PTC Resettable Fuse 7.3A(hold) 14.1A(trip) 20V 100A 3.3W 5s 0.006Ohm SMD Solder Pad 29.1 X 14.5 X 1mm Bag RoHS: Not Compliant
pbFree: No
Min Qty: 1
Container: Bulk
|
470 |
Part Number | Description | Stock |
LR4-730F D# LR4-730F-ND Littelfuse Inc |
PTC RESET FUSE 20V 7.3A STRAP |
9909 In Stock |
Part Number | Description | Stock |
LR4-730F D# 650-LR4-730F Littelfuse Inc |
Resettable Fuses - PPTC 7.3A 20V 100A Imax RoHS: Compliant
|
249 |
Part Number | Description | Stock |
LR4-730F D# 29K7744 Littelfuse Inc |
FUSE, PTC RESET, 20V, 7.3A, STRAP, Product Range:PolySwitch LR4 Series, Voltage Rating:20VDC, Holding Current:7.3A, Tripping Current:14.1A, Time to Trip:5s, Current Rating Max:100A, Operating Temperature Min:-, External Depth:1mm RoHS Compliant: Yes RoHS: Compliant
Min Qty: 10000
Container: Bulk
|
0 |
Part Number | Description | Stock |
LR4730F TE Connectivity |
OEM/CM ONLY |
11742 |
Part Number | Description | Stock |
RF1547-000 Littelfuse Inc |
Resettable Fuses - PPTC 20V 7.3A-HD 100A MAX pbFree: Pb-Free
|
Americas - 5400 |
LR4-730F Littelfuse Inc |
Resettable Fuses - PPTC 7.3A 20V 100A Imax pbFree: Pb-Free
|
Americas - 5400 |
Part Number | Description | Stock |
LR4-730F D# 45798453 Littelfuse Inc |
PTC Resettable Fuse 7.3A(hold) 14.1A(trip) 20V 100A 3.3W 5s 0.006Ohm SMD Solder Pad 29.1 X 14.5 X 1mm Bag RoHS: Compliant
|
Americas - 636 |
Part Number | Description | Stock |
LR4-730F D# 1345910 TE Connectivity |
POLYSWITCH, STRAP, 7.3A RoHS: Compliant
Min Qty: 5
Container: Each
|
0 |
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