WE-CMB Common Mode Power Line Choke 744823220 Product Information

Overview

The WE-CMB Common Mode Power Line Choke (Order Code 744823220) is designed for general electronic equipment, providing effective common mode noise suppression. It is suitable for applications requiring high reliability and performance in power line circuits.

Key Features

• High Inductance: 20 mH.
• Rated Current: Up to 1.5 A.
• Low DC Resistance: Maximum 270 mΩ.
• Wide Operating Temperature Range: -40 °C to +125 °C.
• RoHS and REACh Compliance: Meets environmental standards.
• VDE and ENEC Certification: Ensures product reliability and safety.

Technical Specifications

• Inductance (L): 20 mH ±30%.
• Number of Windings (N): 2.
• Rated Current (R): 1.5 A max. at 70 °C.
• DC Resistance (RDC): 270 mΩ max. at 20 °C.
• Rated Voltage (VR): 250 V (AC) max. at 50 Hz.
• Insulation Test Voltage (VT): 1500 V (AC) at 50 Hz, 5 mA, 2 sec.

General Specifications

• Ambient Temperature (referring to IR): -40 °C to +70 °C.
• Operating Temperature: -40 °C to +125 °C.
• Storage Conditions: < 40 °C, < 75% RH in original packaging.
• Moisture Sensitivity Level (MSL): 1.
• Temperature Rise: < 55 K.

Dimensions and Mounting

• Dimensions (L x W x H): 13.8 mm x 10.7 mm x 7.5 mm (max.).
• Recommended Hole Pattern:Length: 10.7 mm.Width: 7.5 mm.Hole Diameter: 1.1 mm.

Packaging Specifications

• Tray and Carton Dimensions:Length: 245 mm.Width: 195 mm.Height: 35 mm.
• Packaging Unit: 90 pieces per tray.
• Material: Paper.

Schematic and Test Setup

• Schematic:Ports 1 and 4 are connected to the power line.Ports 2 and 3 are connected to the ground.
• Test Setup:Network Analyzer: Keysight E5080A or equivalent.Test Conditions: 10 kHz, 0.1 mA.

Typical Performance Characteristics

• Attenuation:Common Mode: Up to 70 dB at 1 MHz.Differential Mode: Up to 60 dB at 1 MHz.
• Impedance:Common Mode: Up to 1 MΩ at 1 MHz.Differential Mode: Up to 100 kΩ at 1 MHz.

Derating Curve

• Current Capability: Decreases with increasing ambient temperature.
• Ambient Temperature Range: 0 °C to 120 °C.

Soldering Profile

• Preheat Temperature: 100 °C to 130 °C.
• Peak Temperature: 250 °C to 260 °C (Pb-Free), 235 °C to 260 °C (Sn-Pb).
• Time at Peak Temperature: Maximum 10 seconds (Pb-Free), Maximum 5 seconds (Sn-Pb).

Important Notes

• General Customer Responsibility: The customer is responsible for evaluating the suitability of the component for their specific application.
• Safety-Critical Applications: The product is not designed for use in safety-critical or high-reliability applications unless specifically agreed upon.
• Handling and Storage: Follow recommended storage conditions and handling guidelines to ensure product integrity.