The B39380K3977N201 is a SAW (Surface Acoustic Wave) filter manufactured by EPCOS (TDK). SAW filters are commonly used in RF (Radio Frequency) applications for filtering signals at specific frequencies. This particular filter is designed for use in wireless communication systems, typically in the 3.8 GHz frequency range.

Applications

• Wireless Communication Systems (e.g., 5G NR)
• Mobile Phones
• Base Stations
• RF Transceivers
• Wireless LAN (WLAN) devices

Features

• Center Frequency: Designed for operation around 3.8 GHz, suitable for specific wireless communication bands.
• Low Insertion Loss: Minimizes signal attenuation, ensuring efficient signal transmission and reception.
• High Attenuation: Provides strong rejection of unwanted signals outside the passband, improving signal quality.
• Small Size: Compact design allows for easy integration into small electronic devices.
• SAW Technology: Utilizes surface acoustic wave technology for precise frequency filtering.
• Temperature Stability: Maintains stable performance over a wide temperature range.
• RoHS Compliant: Meets environmental standards for hazardous substance control.

Benefits

• Improved Signal Quality: Filters out unwanted noise and interference, resulting in clearer and more reliable communication.
• Enhanced System Performance: Optimizes signal transmission and reception, leading to better overall system performance.
• Compact Design: Allows for integration into small and portable devices.
• Reliable Operation: Provides stable and consistent performance in various environmental conditions.
• Compliance with Standards: Meets industry standards for environmental safety.

Additional Details

The B39380K3977N201 SAW filter is typically used in the RF front-end of wireless communication devices. It helps to isolate the desired signal from other interfering signals, thereby improving the sensitivity and selectivity of the receiver. The filter is designed to operate with a 50-ohm impedance, which is a standard impedance for RF systems. The package is a surface-mount device (SMD), which allows for automated assembly on printed circuit boards (PCBs). The typical operating temperature range is from -40°C to +85°C. It's crucial to consult the datasheet for precise specifications like insertion loss, attenuation, and impedance matching to ensure proper integration into the target application.