Circuit Protection
045303.5MR
ActiveLITTELFUSE
SMD FUSE, VERY FAST ACTING, 3.5A, 125VAC ROHS COMPLIANT: YES
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Circuit Protection
045303.5MR
ActiveLITTELFUSE
SMD FUSE, VERY FAST ACTING, 3.5A, 125VAC ROHS COMPLIANT: YES
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | 045303.5MR |
|---|---|
| Approval Agency | UL, CSA, PSE |
| Breaking Capacity @ Rated Voltage | 50 A |
| Current Rating (Amps) | 3.5 A |
| DC Cold Resistance | 0.02 Ohms |
| Fuse Type | Board Mount (Cartridge Style Excluded) |
| Melting I²t | 2.469 I²t |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -55 C |
| Package / Case | 2-SMD, Square End Block |
| Response Time | Fast Blow |
| Size / Dimension [x] | 0.24 " |
| Size / Dimension [x] | 6.1 mm |
| Size / Dimension [y] | 0.106 in |
| Size / Dimension [y] | 2.69 mm |
| Size / Dimension [z] | 0.106 in |
| Size / Dimension [z] | 2.69 mm |
| Voltage Rating - AC | 125 V |
| Voltage Rating - DC | 125 VDC |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.46 | |
| 5 | $ 1.42 | |||
| 10 | $ 1.32 | |||
| 50 | $ 1.10 | |||
| 100 | $ 0.91 | |||
| 250 | $ 0.89 | |||
| 500 | $ 0.75 | |||
| Digi-Reel® | 1 | $ 1.46 | ||
| 5 | $ 1.42 | |||
| 10 | $ 1.32 | |||
| 50 | $ 1.10 | |||
| 100 | $ 0.91 | |||
| 250 | $ 0.89 | |||
| 500 | $ 0.75 | |||
| N/A | 5294 | $ 1.74 | ||
| Tape & Reel (TR) | 1000 | $ 0.60 | ||
| 2000 | $ 0.57 | |||
| 3000 | $ 0.57 | |||
| Newark | Each (Supplied on Cut Tape) | 1 | $ 1.38 | |
| 10 | $ 1.06 | |||
| 25 | $ 0.97 | |||
| 50 | $ 0.88 | |||
| 100 | $ 0.81 | |||
| 250 | $ 0.73 | |||
| 500 | $ 0.67 | |||
Description
General part information
045303.5 Series
The Nano2® SMF Fuse is a very small, Wire-in-Air (WIA) square shape surface mount fuse which is very suitable for the secondary side circuit over-current protection applications and is designed for PCB using surface mount technology.