What are the key features of Littelfuse Inc. 04661.75NR?

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 04661.75NR?

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 04661.75NR 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 04661.75NR?

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 04661.75NR?

The global Surface Mount Fuses market is growing at ~6-8% CAGR, with particularly strong demand in power management. Littelfuse Inc. 04661.75NR 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 04661.75NR?

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.

04661.75NR Surface Mount Fuses 63V 1.75A VFA Slimline by Littelfuse Inc.

04661.75NR | Littelfuse Inc. Surface Mount Fuses 63V 1.75A VFA Slimline

Category: Surface Mount Fuses

Brand: Littelfuse Inc.

Surface Mount Fuses 63V 1.75A VFA Slimline

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Surface Mount Fuses 63V 1.75A VFA Slimline

Technical Parameters

Agency Approvals	cURus/CSA/TUV
Body Material	Advanced High Temperature Substrate
Category	Surface Mount Fuses
Cold Resistance	0.038 Ω
Description	Surface Mount Fuses 63V 1.75A VFA Slimline
Fuse Type	466 Series Very Fast-Acting Thin-Film
Halogen-Free	No
Interrupt Rating	50A
Lead-Free	Yes
Manufacturer	Littelfuse
Mounting Style	Surface Mount
Nominal Melting I²t	0.1835 A²sec
Opening Characteristic	Very Fast-Acting (FF)
Operating Temperature Range	-55°C to +90°C
Package Case	1206 (3216 metric)
Packaging	Reel
Rated Current	1.75A
Rated Voltage AC	63V
Rated Voltage DC	63V
RoHS	Compliant
Standard Pack Qty	5000
Terminations	100% Tin over Nickel over Copper

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

04661.75NR Application and Selection Guide

04661.75NR Model and Manufacturer Information

04661.75NR, a Surface Mount Fuses manufactured by Littelfuse: 04661.75NR 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 04661.75NR meets your requirements, then check whether Littelfuse matches your expectations, and then refer to Surface Mount Fuses 63V 1.75A VFA Slimline for further evaluation.

04661.75NR Product Parameters and Description

The main parameters of Littelfuse's Surface Mount Fuses product 04661.75NR include Surface Mount Fuses 63V 1.75A VFA Slimline. 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.

04661.75NR Application and Selection Reference

Littelfuse's Surface Mount Fuses product 04661.75NR has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 04661.75NR 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 04661.75NR

Designers looking for 04661.75NR recommended parts can evaluate the following options. 04661.75NR selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
0438001.WR	Littelfuse Inc.	FUSE BRD MNT 1A 32VAC 63VDC 0603
045302.5MR	Littelfuse Inc.	FUSE BRD MNT 2.5A 125VAC/VDC SMD
0451002.MRL	Littelfuse Inc.	FUSE BOARD MNT 2A 125VAC/VDC SMD

EZKEY can provide 04661.75NR recommended part comparison data and engineering samples for evaluation.