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For Reference Only
Part Number | 20LR450U |
OEMstron Part # | 20LR450U |
Manufacturer | Littelfuse |
Category | Power › Circuit Protection › PTC Resettable Fuses |
Description | PTC RESET FUSE 20V 4.5A STRAP |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | 20LR450U PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Feb 24 - Mar 1 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
20LR450U Specifications
Part Number | 20LR450U | |
Brand | Littelfuse | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Circuit Protection | |
Subcategory | PTC Resettable Fuses | |
Manufacturer | Littelfuse Inc. | |
Series | POLY-FUSE®, LR | |
Type | Polymeric | |
Voltage - Max | 20V | |
Current - Max | 100A | |
Current - Hold (Ih) (Max) | 4.5A | |
Current - Trip (It) | 8.9A | |
Time to Trip | 5s | |
Resistance - Initial (Ri) (Min) | 11 mOhms | |
Resistance - Post Trip (R1) (Max) | 28 mOhms | |
Resistance - 25°C (Typ) | - | |
Operating Temperature | -40°C ~ 85°C | |
Ratings | - | |
Mounting Type | User Defined | |
Package / Case | Strap | |
Size / Dimension | 0.984" L x 0.402" W (25.00mm x 10.20mm) | |
Height - Seated (Max) | - | |
Thickness (Max) | 0.039" (1.00mm) | |
Lead Spacing | - |
20LR450U Documents
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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
20LR450U Littelfuse Inc |
PTC 20V POLYFUSE STRAP TYPE 4.5A |
Contact Us |
Part Number | Description | Stock |
20LR450U D# 20LR450U-ND Littelfuse Inc |
PTC RESET FUSE 20V 4.5A STRAP |
Limited Supply - Call |
Part Number | Description | Stock |
20LR450U D# NS-20LR450U Littelfuse Inc |
OEM/CM ONLY |
9695 |
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In Stock | 400 - More on Order |
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Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
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Pricing (USD)
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1 | $ 0.0000 | $ 0.0000 |
100 | $ 0.0000 | $ 0.0000 |
500 | $ 0.0000 | $ 0.0000 |
1000 | $ 0.0000 | $ 0.0000 |
2500 | $ 0.0000 | $ 0.0000 |
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