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Part Number | RUSB155 |
OEMstron Part # | RUSB155 |
Manufacturer | Littelfuse |
Category | Power › Circuit Protection › PTC Resettable Fuses |
Description | PTC RESET FUSE 6V 1.55A RADIAL |
Lifecycle | Obsolete |
RoHS | No RoHS Information |
EDA/CAD Models | RUSB155 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 21 - Mar 26 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
RUSB155 Specifications
Part Number | RUSB155 | |
Brand | Littelfuse | |
Lifecycle | Obsolete | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Circuit Protection | |
Subcategory | PTC Resettable Fuses | |
Manufacturer | Littelfuse Inc. | |
Series | PolySwitch® | |
Type | Polymeric | |
Voltage - Max | 6V | |
Current - Max | 40A | |
Current - Hold (Ih) (Max) | 1.55A | |
Current - Trip (It) | 2.65A | |
Time to Trip | 2.2s | |
Resistance - Initial (Ri) (Min) | 40 mOhms | |
Resistance - Post Trip (R1) (Max) | 100 mOhms | |
Resistance - 25°C (Typ) | - | |
Operating Temperature | - | |
Ratings | - | |
Mounting Type | Through Hole | |
Package / Case | Radial, Disc | |
Size / Dimension | 0.272" Dia x 0.122" T (6.90mm x 3.10mm) | |
Height - Seated (Max) | 0.461" (11.70mm) | |
Thickness (Max) | - | |
Lead Spacing | 0.201" (5.10mm) |
RUSB155 Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
RUSB155 TE Connectivity |
FUSE USB RESETTABLE 1.55A HOLD |
Contact Us |
Part Number | Description | Stock |
RUSB155 D# RUSB155-ND Littelfuse Inc |
PTC RESET FUSE 6V 1.55A RADIAL |
Limited Supply - Call |
Part Number | Description | Stock |
RUSB155 D# NS-RUSB155 TE Connectivity |
OEM/CM ONLY |
4686 |
Part Number | Description | Stock |
RUSB155 TE Connectivity |
240 |
Part Number | Description | Stock |
RUSB155 TE Connectivity |
OEM/CM ONLY |
316 |
Part Number | Description | Stock |
RUSB155 TE Connectivity |
shipping today |
35786 |
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In Stock | 146 - More on Order |
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Lead-Time | To be Confirmed |
Minimum | 1 |
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