What are the key features of Littelfuse Inc. 0438003.WR?

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 0438003.WR?

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 0438003.WR 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 0438003.WR?

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 0438003.WR?

The global Surface Mount Fuses market is growing at ~6-8% CAGR, with particularly strong demand in power management. Littelfuse Inc. 0438003.WR 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 0438003.WR?

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.

0438003.WR FUSE BRD MNT 3A 12VAC 32VDC 0603 by Littelfuse Inc.

0438003.WR | Littelfuse Inc. FUSE BRD MNT 3A 12VAC 32VDC 0603

Category: Surface Mount Fuses

Brand: Littelfuse Inc.

FUSE BRD MNT 3A 12VAC 32VDC 0603

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: FUSE BRD MNT 3A 12VAC 32VDC 0603

Technical Parameters

Agency Approvals	UL, CSA, cURus, TUV
Blow Characteristic	Fast Acting
Body Material	Ceramic
Breaking Capacity	50 A @ 32 V
Current Rating	see datasheet
Fuse Type	Surface Mount Fuse
Halogen Free	Yes
Mounting Style	Surface Mount (SMD)
MSL Level	1
Operating Temperature Range	-55°C to +125°C (GT: -55 to +150°C)
Package Case	0603 (1608 metric)
Product Status	Active
RoHS	Compliant
Series	0438
Solderability	MIL-STD-202 Method 208
Voltage Rating	32 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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3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

0438003.WR Application and Selection Guide

0438003.WR Model and Manufacturer Information

0438003.WR, a Surface Mount Fuses manufactured by Littelfuse Inc.: 0438003.WR 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 0438003.WR meets your requirements, then check whether Littelfuse Inc. matches your expectations, and then refer to FUSE BRD MNT 3A 12VAC 32VDC 0603 for further evaluation.

0438003.WR Product Parameters and Description

The main parameters of Littelfuse Inc.'s Surface Mount Fuses product 0438003.WR include FUSE BRD MNT 3A 12VAC 32VDC 0603. 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.

0438003.WR Application and Selection Reference

Littelfuse Inc.'s Surface Mount Fuses product 0438003.WR has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 0438003.WR 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 0438003.WR

Designers looking for 0438003.WR recommended parts can evaluate the following options. 0438003.WR selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
0438003.WRGT	Littelfuse Inc.	Surface Mount Fuses 3A 32V 0603 FAST ACTING
0452001.MRL	Littelfuse Inc.	Surface Mount Fuses 125VAC 1A .225ohms 452 NANO2
043802.5WRA	Littelfuse Inc.	FUSE 2.5A 32V FAST AECQ 1206

EZKEY can provide 0438003.WR recommended part comparison data and engineering samples for evaluation.