0451.080MRL
Littelfuse Inc.
Tape & Reel (TR) Cut Tape (CT)-55°C ~ 125°CNANO²® 451
Ref. price$4.5400
Lead time on requestGet quote
Littelfuse Inc. 0451 Series
157 variants · Littelfuse Inc.
About the Littelfuse Inc. 0451 Series
The Littelfuse Inc. 0451 Series series groups 157 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common breaking capacity @ rated voltage of 50A, case of 2-SMD, Square End Block and color of -. Variants differ by approval agency, current rating and DC cold resistance, so you can match the exact approval agency your application requires using the selection guide below.
Select a variant by
- Approval agency
- CSA, METI, UR · CSA, PSE, UL · CSA, UL · CSA, UR
- Current rating
- 1.25 A · 1.6 A · 3.5 A · 4 A · 5 A · 80 mA · 100 mA · 250 mA · 315 mA · 630 mA · 750 mA
- DC cold resistance
- 0.0125 Ohms · 0.016 Ohms · 0.02 Ohms · 0.058 Ohms · 0.078 Ohms · 0.245 Ohms · 0.305 Ohms · 0.3918 Ohms · 0.5765 Ohms · 3.1 Ohms · 4.05 Ohms
- Melting i2t
- 0.00033 · 0.00138 · 0.0158 · 0.0311 · 0.143 · 0.185 · 0.664 · 1.06 · 2.469 · 3.152 · 5.566
- Operating temperature
- -55°C ~ 125°C · -55°C~125°C
- Package
- Tape & Reel (TR) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Shared specifications
- Breaking capacity @ rated voltage
- 50A
- Case
- 2-SMD, Square End Block
- Color
- -
- Fuse type
- Board Mount (Cartridge Style Excluded)
- Mounting
- Surface Mount
- Response time
- Fast Blow
- Size (Dimension)
- 0.240\" L x 0.106\" W x 0.106\" H (6.10mm x 2.69mm x 2.69mm)
- Voltage rating - AC
- 125 V
Variant comparison
| Parameter | 0451004.MRSN | 045101.6NRL | 045103.5NRL | 0451.080MRL | 0451.100MRSN | 04511.25MRL |
|---|---|---|---|---|---|---|
| Approval agency | CSA, METI, UR | CSA, PSE, UL | CSA, PSE, UL | CSA, UL | CSA, UR | CSA, PSE, UL |
| Current rating | 4 A | 1.6 A | 3.5 A | 80 mA | 100 mA | 1.25 A |
| DC cold resistance | 0.016 Ohms | 0.058 Ohms | 0.02 Ohms | 4.05 Ohms | 3.1 Ohms | 0.078 Ohms |
| Melting i2t | 3.152 | 1.06 | 2.469 | 0.00033 | 0.00138 | 0.664 |
| Operating temperature | -55°C~125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Package | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) Cut Tape (CT) | Tape & Reel (TR) | Tape & Reel (TR) Cut Tape (CT) |
Request a quote on any Littelfuse Inc. 0451 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
