Have a small number of parts or want to add parts manually? Request Quote manually

Search across all market segments

0451020.MRSN Surface mount fuse rated 20A at 65V with fast blow response. Suitable for overcurrent protection in compact designs.
Mfr Part #:

0451020.MRSN

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Surface mount fuse rated 20A at 65V with fast blow response. Suitable for overcurrent protection in compact designs.
Total Stock: 21,000 pcs
$ Price Range: $0.81 - $2.10

0451020.MRSN Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
21,000 pcs
21000 pcs On Request 1 On Request On Request 18+ On Request On Request

0451020.MRSN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity @ Rated Voltage
Current Rating (Amps)
Fuse Type
Halogen Free
Height
Length
Melting I²t
Mounting Type
Operating Temperature
Response Time
Tape & Reel
Voltage Rating
Width

0451020.MRSN Description

Short technical summary and product information.

The 0451020.MRSN is a 20A, 65V fast blow surface mount fuse from Littelfuse Inc. It is designed for overcurrent protection in electronic circuits where rapid disconnection is required.

 

Electrical characteristics include a breaking capacity of 100A AC and 150A DC at rated voltage, and a melting I²t of 154. The fast blow response time ensures quick interruption during overcurrent events.

 

The fuse is housed in a 2-SMD, square end block package with dimensions 6.10mm x 2.69mm x 2.69mm. It is surface mountable and operates over a temperature range of -55°C to 125°C. The component is cURus approved and RoHS3 compliant.

0451020.MRSN Quick Information

Product Type: Fuse
Series: NANO2
Canonical Name: Littelfuse 0451020.MRSN NANO2 20A 65V Fast Blow Surface Mount Fuse
Subcategory: Surface Mount Fuse

0451020.MRSN Compliance

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

0451020.MRSN Estimated Pricing

Qty Low High
1+ $2.10 $2.10
5+ $1.82 $1.82
10+ $1.71 $1.71
50+ $1.40 $1.40
100+ $1.23 $1.23
250+ $1.16 $1.16
500+ $1.02 $1.02
1,000+ $0.81 $0.81

Estimated market price range - modelled values for guidance only, not live distributor offers.

0451020.MRSN Features

  • Rated for 20A at 65V DC/AC.
  • Fast blow response for rapid overcurrent protection.
  • Surface mount 2-SMD square end block package.
  • Breaking capacity of 100A AC and 150A DC.
  • Operating temperature range -55°C to 125°C.

0451020.MRSN Applications

  • Overcurrent protection in power supply circuits.
  • Protection of DC/DC converters and battery management systems.
  • Use in automotive electronics requiring fast acting fuses.
  • Suitable for compact PCB designs with surface mount assembly.

0451020.MRSN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0451020.MRSN fuse?

20 A.

What is the voltage rating?

65 V.

What is the breaking capacity?

100A AC and 150A DC at rated voltage.

What is the response time?

Fast Blow.

What package does this fuse come in?

2-SMD, Square End Block.

What is the melting I²t value?

154.

What is the operating temperature range?

-55°C to 125°C.

Home
Categories
Submit RFQ
Login
Account

Categories