What are the key features of Littelfuse Inc. 0449.375MR?

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 0449.375MR?

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 0449.375MR 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 0449.375MR?

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 0449.375MR?

The global Surface Mount Fuses market is growing at ~6-8% CAGR, with particularly strong demand in power management. Littelfuse Inc. 0449.375MR 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 0449.375MR?

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.

0449.375MR FUSE BOARD MNT 375MA 125VAC/VDC by Littelfuse Inc.

0449.375MR | Littelfuse Inc. FUSE BOARD MNT 375MA 125VAC/VDC

Category: Surface Mount Fuses

Brand: Littelfuse Inc.

FUSE BOARD MNT 375MA 125VAC/VDC

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: FUSE BOARD MNT 375MA 125VAC/VDC

Technical Parameters

Agency Approvals	UL, CSA, cURus, TUV
Blow Characteristic	Very Fast Acting
Body Material	Ceramic
Breaking Capacity	50 A @ 125 V
Current Rating	0.375 A
Fuse Type	Surface Mount Fuse
Halogen Free	Yes
Mounting Style	Surface Mount (SMD)
MSL Level	1
Operating Temperature Range	-55°C to +125°C
Package Case	2410 (6126 metric)
Product Status	Active
RoHS	Compliant
Series	0449
Solderability	MIL-STD-202 Method 208
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.

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PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

0449.375MR Application and Selection Guide

0449.375MR Model and Manufacturer Information

0449.375MR, a Surface Mount Fuses manufactured by Littelfuse Inc.: 0449.375MR helps you confirm the specific model, while Littelfuse Inc. helps you confirm the product source. If you are selecting a part, you can first check whether 0449.375MR meets your requirements, then check whether Littelfuse Inc. matches your expectations, and then refer to FUSE BOARD MNT 375MA 125VAC/VDC for further evaluation.

0449.375MR Product Parameters and Description

The main parameters of Littelfuse Inc.'s Surface Mount Fuses product 0449.375MR include FUSE BOARD MNT 375MA 125VAC/VDC. This is a Surface Mount Fuses produced by Littelfuse Inc., and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

0449.375MR Application and Selection Reference

Littelfuse Inc.'s Surface Mount Fuses product 0449.375MR has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 0449.375MR is a Surface Mount Fuses solution worth considering, and manufacturer Littelfuse Inc. provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for 0449.375MR

Designers looking for 0449.375MR recommended parts can evaluate the following options. 0449.375MR selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
04773.15MRET1P	Littelfuse Inc.	FUSE CERAMIC 3.15A 500VAC 400VDC
0448015.MR	Littelfuse Inc.	FUSE BRD MNT 15A 65VAC/VDC 2SMD
0437007.WR	Littelfuse Inc.	FUSE BRD MNT 7A 32VAC 35VDC 1206

EZKEY can provide 0449.375MR recommended part comparison data and engineering samples for evaluation.