Win Source Electronics Filters - SAW Filters 1275849-SF2147D

The 1275849-SF2147D is a surface-mount SAW filter designed for CDMA base station applications. It features a compact size of 3.8 x 3.8 x 1.4 mm and is compliant with RoHS regulations. The filter operates within a temperature range of -40 to +85¬8C and has a maximum incident power in the passband of +10 dBm. The center frequency is specified at 157 MHz with a passband width of 20 MHz. The matched insertion loss ranges from 7.8 dB to 8.5 dB across the frequency range of 147 to 167 MHz. Additionally, the passband amplitude ripple is between 1.2 dB and 1.8 dB, and the group delay is approximately 0.2 ¬µs with a group delay ripple of 15 to 50 ns. This filter is suitable for lead-free soldering, with a maximum soldering profile of 260¬8C for 30 seconds. It is packaged in tape and reel format, making it convenient for automated assembly processes. The product is rated at MSL Level 1, indicating it can be handled without special precautions.