CMR1U-04 BK

Product Overview

Category

The CMR1U-04 BK belongs to the category of electronic components, specifically a CMR (Common Mode Choke) used in electronic circuits.

Use

It is primarily used to suppress electromagnetic interference (EMI) and radio frequency interference (RFI) in electronic circuits.

Characteristics

• High impedance at high frequencies
• Low resistance at low frequencies
• Compact size
• RoHS compliant

Package

The CMR1U-04 BK is typically packaged in a surface mount design for easy integration into circuit boards.

Essence

The essence of the CMR1U-04 BK lies in its ability to effectively filter out unwanted electromagnetic and radio frequency interference, ensuring the proper functioning of electronic devices.

Packaging/Quantity

It is commonly available in reels containing a specific quantity, typically 1000 pieces per reel.

Specifications

• Inductance: 1mH
• Rated Current: 500mA
• DC Resistance: 0.5Ω
• Operating Temperature: -40°C to 125°C
• Voltage Rating: 50V

Detailed Pin Configuration

The CMR1U-04 BK typically has four pins arranged in a specific configuration to facilitate its integration into electronic circuits. The pinout configuration is as follows: 1. Pin 1: Input 2. Pin 2: Ground 3. Pin 3: Output 4. Pin 4: Ground

Functional Features

• Effective suppression of common mode noise
• Compact and space-saving design
• Suitable for high-frequency applications
• RoHS compliant

Advantages

• Superior EMI and RFI filtering capabilities
• Compact size for efficient PCB layout
• Wide operating temperature range
• RoHS compliance for environmental friendliness

Disadvantages

• Limited current handling capacity compared to larger chokes
• May require careful PCB layout to optimize performance

Working Principles

The CMR1U-04 BK operates on the principle of inductive impedance, effectively attenuating common mode noise by presenting a high impedance path at the frequencies of interest while allowing the desired signal to pass through with minimal attenuation.

Detailed Application Field Plans

The CMR1U-04 BK finds extensive application in various electronic devices and systems, including but not limited to: - Power supplies - Data communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the CMR1U-04 BK include: - CMR1U-02 BK - CMR1U-06 BK - CMR2U-04 BK - CMR2U-08 BK

In conclusion, the CMR1U-04 BK is a vital component in electronic circuits, providing effective EMI and RFI filtering to ensure the reliable operation of electronic devices across various industries and applications.

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