The 2436-125 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 117.5 to 132.5 kHz, Bandwidth 15 KHz, Center Frequency 125 kHz, Insertion Loss 1.5 dB, Rejection 50 dB. Tags: PCB Mount, Surface Mount, Lumped Component Filter. More details for 2436-125 can be seen below.