Question 1

What are the key features of ON Semiconductor FSUSB42UMX?

EZKEY · Accepted Answer

This product belongs to the Rectifiers 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 ON Semiconductor with full traceability.

Question 2

What are the main application scenarios for FSUSB42UMX?

EZKEY · Accepted Answer

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.

Question 3

How does FSUSB42UMX work?

EZKEY · Accepted Answer

This device follows established Rectifiers 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.

Question 4

What is the technical performance of FSUSB42UMX?

EZKEY · Accepted Answer

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.

Question 5

What is the current market demand for FSUSB42UMX?

EZKEY · Accepted Answer

The global Rectifiers market is growing at ~6-8% CAGR, with particularly strong demand in power management. ON Semiconductor FSUSB42UMX 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.

Question 6

What are the technical characteristics of FSUSB42UMX?

EZKEY · Accepted Answer

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, ON Semiconductor provides full technical support and reference designs.

Applications	General Purpose
Brand	Fairchild
Configuration	Single
Data Tier	Family Level
Lead Free	Yes
Mounting Type	Surface Mount / Through Hole
Number of Terminals	3
Operating Temperature	-55 to +150 C
Package	SOT-23
Package / Case	SMD / Through Hole
Packaging	Tape & Reel
Product Type	Diode / Transistor / MOSFET
RoHS	Compliant
Technology	N-Channel

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Product Details

PDF Datasheet

Technical Docs

Technical Parameters

FSUSB42UMX Application and Selection Guide

FSUSB42UMX Model and Manufacturer Information

FSUSB42UMX Product Parameters and Description

FSUSB42UMX Application and Selection Reference

Recommended Part Numbers for FSUSB42UMX