LTC455EW

Overview

The LTC455EW is a surface-mount ceramic band-pass filter manufactured by Transko Electronics, Inc. Designed for AM radio applications, it operates at a center frequency of 455 kHz with a bandwidth of 9.5 kHz. The component features an impedance of 1.5 kOhm and an insertion loss of 4 dB. It utilizes a 4-SMD, J-Lead package configuration.

Feature Summary

• Surface mount construction for automated assembly
• Optimized for AM broadcast signal processing
• J-lead terminal configuration

Applications

• AM radio receiver front-end filtering
• Intermediate frequency (IF) stage selection
• Communication equipment signal conditioning

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and packaging variations. Ensure the selected variant matches the required impedance and mounting style for the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a 455 kHz center frequency with 9.5 kHz bandwidth is required for AM applications. Confirm that the 1.5 kOhm impedance aligns with the surrounding circuitry and that the surface-mount J-lead package fits the available PCB footprint constraints.

Part Context

This part belongs to the family of ceramic filters produced by Transko Electronics, Inc., specifically engineered for intermediate frequency applications in communication systems. These components provide stable frequency response characteristics suitable for consumer electronics and industrial radio receivers.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official manufacturer cross-reference lists for verified alternatives.