Question 1

What are the key features of Avago Technologies (Broadcom Limited) QFBR-TR04Z?

EZKEY · Accepted Answer

This product belongs to the Interface - Controllers 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 Avago Technologies (Broadcom Limited) with full traceability.

Question 2

What are the main application scenarios for QFBR-TR04Z?

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 QFBR-TR04Z work?

EZKEY · Accepted Answer

This device follows established Interface - Controllers 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 QFBR-TR04Z?

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 QFBR-TR04Z?

EZKEY · Accepted Answer

The global Interface - Controllers market is growing at ~6-8% CAGR, with particularly strong demand in power management. Avago Technologies (Broadcom Limited) QFBR-TR04Z 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 QFBR-TR04Z?

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, Avago Technologies (Broadcom Limited) provides full technical support and reference designs.

Brand	Avago Technologies (Broadcom Limited)
Data Tier	Family Level
Function	Ethernet PHY / Transceiver
Interface	RGMII / SGMII / MDIO
Mounting Type	Surface Mount
Operating Temperature	0 to +70 C
Packaging	Tray / Tape & Reel
Product Lifecycle	Active
Product Type	Ethernet IC
RoHS	Compliant

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QFBR-TR04Z | Avago Technologies (Broadcom Limited) Avago Technologies (Broadcom Limited)

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

QFBR-TR04Z Application and Selection Guide

QFBR-TR04Z Model and Manufacturer Information

QFBR-TR04Z Product Parameters and Description

QFBR-TR04Z Application and Selection Reference

Recommended Part Numbers for QFBR-TR04Z