HF2422-392Y1R8-T01

Common Mode Chokes Overview

The TDK HF2422-392Y1R8-T01 is a two-line common mode choke designed for power line filtering and EMI suppression. It features through-hole mounting with an operating current of 1.8A and a maximum DC resistance of 150mΩ. The component utilizes a leaded disk varistor structure, offering a nominal discharge current of 1kA (8/20µs) and a maximum surge current of 2kA. Energy absorption capacity is rated at 14J, with a typical capacitance of 15.6nF. Maximum working voltages are specified as 22V DC and 17Vrms AC.

Common Mode Chokes Feature Summary

• Provides common-mode noise suppression for power lines to enhance electromagnetic interference performance
• Integrates varistor characteristics for surge protection alongside inductive filtering
• Designed for robust through-hole mounting in industrial and consumer applications

Common Mode Chokes Applications

• Power line filtering in consumer electronics
• EMI suppression in data processing equipment
• Industrial circuit protection

Common Mode Chokes Procurement Notes

Verify the obsolete status of this specific part number before procurement planning. Confirm availability of qualified substitutes such as SS26V-R300038 or equivalent TDK series components. Ensure that replacement parts match the required 1.8A operating current and 150mΩ DC resistance specifications. Validate mechanical dimensions and lead spacing compatibility with existing PCB layouts during the substitution process.

Common Mode Chokes Selection Notes

Select this component for applications requiring combined common mode chokes and varistor functionality in a single package. The 1.8A current rating suits moderate power line filtering needs. Consider the 150mΩ DC resistance impact on voltage drop. Verify that the 14J energy absorption meets transient protection requirements. Ensure through-hole assembly processes align with the specified lead dimensions and body size constraints.

Common Mode Chokes Part Context

This component belongs to TDK's HF series of common mode chokes, specifically engineered for power line applications. The product integrates magnetic filtering with varistor-based surge protection capabilities. It is manufactured by TDK Corporation, a global provider of electronic components and materials. The series targets industries requiring reliable EMI suppression and transient voltage protection in compact through-hole formats.

Common Mode Chokes Replacement Considerations

Public confirmed substitute: SS26V-R300038. Verify electrical equivalence including 1.8A current handling and impedance characteristics. Check mechanical fit for through-hole mounting. Note that the original part is marked as obsolete.