The B39212B4358P810 is a SAW (Surface Acoustic Wave) filter manufactured by Qualcomm. SAW filters are widely used in wireless communication systems to selectively filter radio frequency (RF) signals. They provide excellent performance in terms of insertion loss, attenuation, and size, making them ideal for applications where signal integrity and space are critical.

Applications:

• Mobile communication devices: Employed in smartphones and other mobile devices for filtering RF signals in the cellular bands.
• Wireless infrastructure: Used in base stations and repeaters for signal conditioning and noise reduction.
• Wi-Fi modules: Integrated into Wi-Fi routers and access points to improve signal quality.
• Bluetooth devices: Used in Bluetooth modules for filtering signals and reducing interference.
• Satellite communication systems: Utilized in satellite receivers and transmitters for signal processing.

Features:

• Low insertion loss: Minimizes signal attenuation within the passband, ensuring efficient signal transmission.
• High attenuation: Provides strong rejection of signals outside the passband, preventing interference.
• Small size: Designed with a compact form factor for integration into space-constrained devices.
• Surface mount technology (SMT): Suitable for automated assembly processes, reducing manufacturing costs.
• High-frequency operation: Capable of operating at high frequencies, making it suitable for modern wireless communication standards.

Benefits:

• Improved signal quality: Enhances the clarity and strength of desired signals by filtering out unwanted noise and interference.
• Enhanced device performance: Optimizes the performance of wireless and communication devices by ensuring signal purity.
• Reduced interference: Minimizes the impact of unwanted signals on the desired signal, improving reliability.
• Cost-effective: Provides a reliable and efficient filtering solution at a competitive price.
• Compact design: Allows for integration into small and portable devices.

Specifications:

While specific data is unavailable without datasheets, typical specifications for SAW filters include:

• Center Frequency: Specific to the application.
• Bandwidth: Determined by application requirements.
• Insertion Loss: Typically less than 2 dB.
• Attenuation: High attenuation in the stopband.
• Impedance: Typically 50 Ohms.
• Operating Temperature Range: Common range of -40°C to +85°C.

For detailed specifications, refer to the manufacturer's datasheet.