CM1410-03CP

Overview

The CM1410-03CP is a four-channel EMI filter circuit manufactured by onsemi, designed for audio applications such as headsets and speakers. It integrates an RC (Pi) low-pass filter structure with electrostatic discharge (ESD) protection in a compact CSP-11 package measuring 2.05 mm x 1.44 mm x 0.72 mm. Key electrical parameters include a cutoff frequency of 53 MHz, capacitance of 47 pF, resistance of 100 Ohms, and attenuation of 20 dB. The device operates within a temperature range of -40°C to +85°C and supports surface mount technology.

Feature Summary

• Integrates three separate EMI arrays with built-in ESD protection capabilities
• Provides effective electromagnetic interference filtering for sensitive audio lines
• Utilizes a compact chip-scale package design to minimize board space

Applications

• Headset audio line protection
• Speaker signal path filtering
• Audio interface EMI suppression

Procurement Notes

Verify component authenticity through authorized distribution channels due to discontinued status. Confirm package integrity and pin alignment against the CSP-11 specification sheet. Ensure storage conditions meet moisture sensitivity level requirements prior to reflow soldering. Validate that the specific revision matches the intended design implementation.

Selection Notes

Select this component when designing audio circuits requiring combined EMI filtering and ESD protection in a minimal footprint. The 53 MHz cutoff frequency suits standard audio bandwidths while attenuating higher frequency noise. Consider the 100 Ohm series resistance impact on signal impedance matching for the specific audio driver or receiver being utilized.

Part Context

This part belongs to the CM1410 family of EMI filter circuits from onsemi. It is specifically categorized under Audio Filters and EMI/RFI filters. The device serves as a protective component for consumer electronics audio interfaces, offering integrated solutions for signal integrity and port safety.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components based on identical pinout, package dimensions, and electrical specifications such as cutoff frequency and clamping voltage.