The 2010-3 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 4.2 to 5.8 kHz, Bandwidth 1.6 KHz, Center Frequency 5 kHz, Insertion Loss 1.5 dB, Rejection 45 dB. Tags: PCB Mount, Surface Mount, Lumped Component Filter. More details for 2010-3 can be seen below.