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23Z106SM from PULSE

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23Z106SM

Manufacturer: PULSE, FII-MAG

COMMON MODE CHOKE CATALOG Suited for LAN and Telecom Applications

Partnumber Manufacturer Quantity Availability
23Z106SM PULSE, FII-MAG 5241 In Stock

Description and Introduction

COMMON MODE CHOKE CATALOG Suited for LAN and Telecom Applications The part 23Z106SM is manufactured by FII-MAG. It is a solenoid valve designed for use in various industrial applications. The valve is constructed with a brass body and features a 2-way, normally closed configuration. It operates at a voltage of 24V DC and has a power consumption of 2.2W. The valve has a maximum operating pressure of 145 PSI (10 bar) and is suitable for use with air, water, and neutral gases. The temperature range for operation is between -10°C and +80°C. The valve has a 1/4" NPT threaded connection and a flow rate of 0.5 Cv. It is designed for quick and reliable operation, making it suitable for automation and control systems.

Application Scenarios & Design Considerations

COMMON MODE CHOKE CATALOG Suited for LAN and Telecom Applications# Technical Documentation: 23Z106SM Common Mode Choke

 Manufacturer : PULSE
 Document Version : 1.0
 Last Updated : [Current Date]

## 1. Application Scenarios

### Typical Use Cases
The 23Z106SM is a surface-mount common mode choke designed for electromagnetic interference (EMI) suppression in high-frequency digital and power circuits. Typical applications include:

-  Differential Mode Noise Filtering : Effectively attenuates common mode noise while preserving signal integrity in high-speed data lines
-  Power Supply Input Filtering : Used in switch-mode power supply (SMPS) inputs to meet conducted EMI requirements
-  Signal Line Protection : Provides EMI suppression for data communication interfaces including USB, Ethernet, and display ports
-  Ground Loop Mitigation : Breaks ground loops while maintaining signal reference integrity

### Industry Applications
 Telecommunications Equipment 
- Base station power supplies and signal processing units
- Network switches and routers
- Fiber optic transceivers and modems

 Consumer Electronics 
- Smart TV power circuits and HDMI interfaces
- Gaming console power supplies
- Computer peripherals and docking stations

 Industrial Automation 
- PLC I/O module filtering
- Motor drive input circuits
- Sensor interface protection

 Medical Devices 
- Patient monitoring equipment
- Diagnostic imaging systems
- Portable medical instruments

### Practical Advantages and Limitations

 Advantages: 
- High common mode impedance (typically 1kΩ at 100MHz)
- Low differential mode insertion loss for signal integrity
- Compact 1210 package size for space-constrained designs
- Wide operating temperature range (-40°C to +125°C)
- Excellent saturation current characteristics

 Limitations: 
- Limited to moderate current applications (typically <2A)
- Frequency response optimized for 1-300MHz range
- Not suitable for high-voltage isolation requirements
- Requires careful PCB layout for optimal performance

## 2. Design Considerations

### Common Design Pitfalls and Solutions

 Pitfall 1: Inadequate Current Rating 
*Problem*: Exceeding saturation current causes inductance drop and performance degradation
*Solution*: Calculate peak current requirements and maintain 20% margin below rated current

 Pitfall 2: Improper Grounding 
*Problem*: Poor grounding compromises common mode rejection
*Solution*: Use solid ground plane beneath choke and minimize via inductance

 Pitfall 3: Frequency Mismatch 
*Problem*: Operating outside optimal frequency range reduces effectiveness
*Solution*: Verify impedance characteristics match noise frequency spectrum

### Compatibility Issues with Other Components

 Power Supply ICs 
- Ensure choke DC resistance doesn't cause excessive voltage drop
- Verify choke self-resonant frequency doesn't interact with switching frequency

 Digital ICs 
- Check that insertion loss doesn't degrade signal integrity
- Verify common mode choke doesn't introduce excessive jitter

 Connectors and Cables 
- Match impedance to cable characteristics
- Consider placement relative to connector for optimal EMI performance

### PCB Layout Recommendations

 Placement Strategy 
- Position choke as close as possible to noise source or connector
- Maintain symmetrical routing for differential pairs
- Keep distance from high-speed digital traces and switching nodes

 Routing Guidelines 
- Use matched length traces for differential signals
- Minimize trace length between choke and connector
- Avoid 90-degree bends; use 45-degree angles or curves

 Grounding Considerations 
- Implement continuous ground plane beneath choke
- Use multiple vias for ground connections
- Separate analog and digital ground planes with controlled connection points

 Thermal Management 
- Ensure adequate copper area for heat dissipation
- Avoid placing near heat-generating components
- Consider thermal relief patterns for manufacturing

## 3. Technical Specifications

### Key Parameter Explanations

 DC Resistance (DCR) 
- Typical value: 0.15

Alternative Part Number

  • B82790S0513N201 --: Common-mode choke with similar impedance and current rating, widely available and pin-compatible for many Pulse 23Z series applications.
  • ACM2520-102-2P --: Surface-mount common-mode choke offering comparable filtering performance and a similar footprint, suitable as a functional substitute.
  • DLW5BSN102SQ2L --: Common-mode choke with similar impedance characteristics and SMD package, usable as an alternative where exact Pulse part is unavailable.
  • B64290L0618X830 --: Wideband EMI suppression ferrite bead/toroid with comparable impedance characteristics, commonly used as a cross-reference for FII-MAG 23Z series suppression components.
  • 742792091 --: Surface-mount ferrite bead from the WE-CBF series offering similar impedance and current rating, suitable as a functional replacement for EMI suppression.
  • BLM21PG221SN1D --: Widely available SMD ferrite bead with comparable impedance behavior, often used as a drop-in alternative for general EMI filtering applications.

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