LTC455BW-TR

Overview

The LTC455BW-TR is a surface-mount ceramic filter manufactured by Transko Electronics, Inc. It features a center frequency of 455kHz and is designed for AM radio receiver applications. The component utilizes a 4-SMD, J-Lead package with dimensions of 12x7.5mm. It exhibits an impedance of 1.5kOhm and provides a minimum bandwidth of 15kHz at the 6dB attenuation point.

Feature Summary

• Provides selective frequency filtering for AM radio receivers
• Utilizes a compact surface-mount J-Lead package design
• Engineered for reliable performance in intermediate frequency stages

Applications

• AM radio receiver circuits
• Intermediate frequency (IF) filtering
• Consumer audio electronics

Procurement Notes

Verify the specific suffix 'TR' indicates tape-and-reel packaging when sourcing. Confirm the manufacturer is Transko Electronics, Inc., as part numbers may be shared across distributors. Ensure the 4-SMD J-Lead footprint matches the PCB layout requirements before procurement.

Selection Notes

Select this component for applications requiring a 455kHz center frequency with a 15kHz bandwidth at 6dB. The 1.5kOhm impedance rating must align with the circuit's source and load impedances. The SMD form factor is suitable for automated assembly processes requiring small footprints.

Part Context

This component belongs to the LTC455 series of ceramic filters from Transko Electronics. These filters are standard components for AM broadcast band reception, offering stable performance compared to older LC-based solutions. The series includes various variants differing in bandwidth and package type.