What are the key features of Littelfuse Inc 0451020.MRL?

This product belongs to the Surface Mount Fuses category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Littelfuse Inc with full traceability.

What are the main application scenarios for 0451020.MRL?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does 0451020.MRL work?

This device follows established Surface Mount Fuses design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of 0451020.MRL?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for 0451020.MRL?

The global Surface Mount Fuses market is growing at ~6-8% CAGR, with particularly strong demand in power management. Littelfuse Inc 0451020.MRL is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of 0451020.MRL?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Littelfuse Inc provides full technical support and reference designs.

0451020.MRL Surface Mount Fuses 20A 65V NANO2 by Littelfuse Inc

0451020.MRL | Littelfuse Inc Surface Mount Fuses 20A 65V NANO2

Category: Surface Mount Fuses

Brand: Littelfuse Inc

Surface Mount Fuses 20A 65V NANO2

Stock: On request

Inquire Now

Product Details

PDF Datasheet

Technical Docs

Description: Surface Mount Fuses 20A 65V NANO2

Technical Parameters

Agency Approvals	UL, CSA, cURus, TUV
Blow Characteristic	Very Fast Acting (Nano2)
Body Material	Ceramic
Breaking Capacity	50 A @ 125 V; 300 A @ 32 VDC
Category	Surface Mount Fuses
Current Rating	see datasheet
Description	Surface Mount Fuses 20A 65V NANO2
Fuse Type	Surface Mount Fuse
Halogen Free	Yes
Manufacturer	Littelfuse
Mounting Style	Surface Mount (SMD)
MSL Level	1
Operating Temperature Range	-55°C to +125°C
Package Case	2410 (6126 metric)
Packaging	Reel
Product Status	Active
RoHS	Compliant
Series	0451
Solderability	MIL-STD-202 Method 208
Standard Pack Qty	1000
Voltage Rating	125 VDC/VAC

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

Datasheet not available online yet.

Can't find the datasheet you need? Contact our sourcing team and we'll help locate the official documentation from the manufacturer or our supply channels.

Request now →

PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

0451020.MRL Application and Selection Guide

0451020.MRL Model and Manufacturer Information

0451020.MRL, a Surface Mount Fuses manufactured by Littelfuse: 0451020.MRL helps you confirm the specific model, while Littelfuse helps you confirm the product source. If you are selecting a part, you can first check whether 0451020.MRL meets your requirements, then check whether Littelfuse matches your expectations, and then refer to Surface Mount Fuses 20A 65V NANO2 for further evaluation.

0451020.MRL Product Parameters and Description

The main parameters of Littelfuse's Surface Mount Fuses product 0451020.MRL include Surface Mount Fuses 20A 65V NANO2. This is a Surface Mount Fuses produced by Littelfuse, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

0451020.MRL Application and Selection Reference

Littelfuse's Surface Mount Fuses product 0451020.MRL has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 0451020.MRL is a Surface Mount Fuses solution worth considering, and manufacturer Littelfuse provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for 0451020.MRL

Designers looking for 0451020.MRL recommended parts can evaluate the following options. 0451020.MRL selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
0154004.DRT	Littelfuse Inc	产品：贴片式保险丝（含保险丝座）保险丝类型：延时熔断/慢速熔断额定电流：4A 分断能力：50A 熔断 I²t：34.4
0454004.MR	Littelfuse Inc
0452005.MRL	Littelfuse Inc	Surface Mount Fuses 125VAC 5A .0136ohms 452 NANO2

EZKEY can provide 0451020.MRL recommended part comparison data and engineering samples for evaluation.