The SF2002PTH from Taiwan Semiconductor Corporation is a general-purpose rectifier diode array with 1 pair in common cathode configuration, rated 100 V and 20 A (DC), in a through-hole TO-247-3 package.
The SF2002E from RFMi is a 942.5 MHz general-purpose Radio Frequency SAW filter with 2.2 dB insertion loss and 35 MHz bandwidth, in a 6-SMD no-lead package.
The SF2002B-2 from RFMi is a GSM Radio Frequency SAW filter centered at 942.5 MHz with 35 MHz bandwidth and 2.8 dB insertion loss, in a 6-SMD no-lead package.