The SFPKA455KE4A-R1 is a ceramic filter manufactured by Murata Electronics North America. This filter is designed for intermediate frequency (IF) stages in radio receivers and other communication equipment. It offers excellent selectivity and stable performance, making it suitable for applications requiring precise frequency filtering.

Applications

• Radio receivers (AM/FM)
• Cordless phones
• Wireless communication systems
• Pagers
• Remote control devices

Features

• High selectivity at 455 kHz
• Stable temperature characteristics
• Compact size for space-constrained applications
• Low insertion loss
• RoHS compliant

Benefits

• Improved signal-to-noise ratio in radio receivers.
• Reduced interference from adjacent channels.
• Stable performance over a wide temperature range.
• Easy integration into existing circuit designs.
• Environmentally friendly due to RoHS compliance.

Additional Details

The SFPKA455KE4A-R1 ceramic filter operates at a center frequency of 455 kHz, a standard IF frequency. Its small size and surface-mount packaging make it suitable for automated assembly processes. The filter provides excellent attenuation of unwanted signals, ensuring clear and reliable communication. It is designed for reflow soldering processes. The filter is suitable for high-volume manufacturing.