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0451020.MRL Littelfuse 0451020.MRL is a 20A 65V very fast-acting surface mount board mount fuse from the 451/453 series. It features fast blow response and cURus approval.
Mfr Part #:

0451020.MRL

Available from 3 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 0451020.MRL is a 20A 65V very fast-acting surface mount board mount fuse from the 451/453 series. It features fast blow response and cURus approval.
Total Stock: 11,237 pcs

0451020.MRL Available from 3 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
11,200 pcs
11200 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
20 pcs
20 pcs On Request 1 On Request On Request 24+ On Request On Request
Non-Authorised Inventory information
17 pcs
17 pcs On Request 1 On Request On Request On Request On Request On Request

0451020.MRL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Approval Agency
Automotive Grade
Breaking Capacity
Breaking Capacity @ Rated Voltage
Cold Resistance
Current Rating
Current Rating (Amps)
Failure Rate
Fuse Type
Halogen Free
Height
Industrial Grade
Interrupting Rating
Length
Medical Grade
Melting I²t
Military Grade
Mounting Type
Operating Temperature
Response Time
SVHC Present
Storage Temperature
Tape & Reel
Voltage Rating
Width

0451020.MRL Description

Short technical summary and product information.

The Littelfuse 0451020.MRL is a 20A, 65V very fast-acting surface mount fuse from the Nano2 SMF series (451/453). It is a board mount (cartridge style excluded) fuse designed for over-current protection in secondary side circuits. The fuse has a fast blow response time and a breaking capacity of 100A AC and 150A DC.

 

The component is housed in a 2-SMD, square end block package with dimensions of 6.10mm x 2.69mm x 2.69mm. It is designed for surface mount technology (SMT) assembly on PCBs. The operating temperature range is -55°C to 125°C, making it suitable for a wide variety of industrial and consumer environments.

 

The fuse is RoHS3 compliant, halogen free, and carries cURus agency approval. The cold resistance is in the range of 0.0030 to 0.0045 ohms. The melting I²t value is 154 A²s. The interrupting rating is 50A at 125VAC/VDC and 300A at 32VDC.

0451020.MRL Quick Information

Product Type: Surface Mount Fuse
Series: 451/453
Canonical Name: Littelfuse 0451020.MRL Series 451/453 Nano2 SMF 20A Surface Mount Very Fast-Acting Fuse
Subcategory: Very Fast-Acting Surface Mount Fuse

0451020.MRL Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

0451020.MRL Features

  • 20A surface mount very fast-acting fuse.
  • Rated for 65V and fast blow response.
  • cURus approved and RoHS compliant.
  • Board mount package excludes cartridge style.
  • Melting I²t of 154 A²s.

0451020.MRL Applications

  • Used in over-current protection circuits.
  • Suitable for secondary side applications.
  • Designed for PCB surface mount assembly.
  • Ideal for computing and telecom systems.
  • Can be used in power supply circuits.

0451020.MRL FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of this fuse?

20A.

What is the voltage rating?

65V.

What is the response time of this fuse?

Fast blow.

What is the breaking capacity?

100A AC and 150A DC.

What is the package or mounting type?

Surface mount (2-SMD, square end block).

What is the operating temperature range?

-55°C to 125°C.

Is this fuse RoHS compliant?

Yes, it is RoHS3 compliant and halogen free.

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