This part is a kind of semiconductor called LT-450.

Function of this product has (LT450 / LT455) Filter THT.

Manufacturers : Auris

Image and pinout :

Some of the text within the PDF file :

Filter THT LT 450/455 W series Features: - For communication - 6 elements - 450/455 KHz Specifications Part number Center frequency (KHz) Insertion loss (dB) max Pass band ripple (dB) max 6dB bandwidth (KHz) min 40dB bandwidth (KHz) max Stop band att. ±100KHz (dB) min Input/output impedance (Ohm) LT450AW LT450BW LT450CW LT450DW LT450EW 450±2.0 450±2.0 450±2.0 450±1.5 450±1.5 4 4 4 4 6 2 2 2 2 2 ±17.5 ±15 ±12.5 ±10 ±7.5 ±35 ±30 ±24 ±20 ±15 40 40 40 40 40 1000 1500 1500 1500 1500 LT450FW LT450GW LT450HW 450±1.5 450±1.5 450±1.0 6 6 6 2 2 2 ±6 ±4.5 ±3 ±12.5 ±10 ±9 40 40 40 2000 2000 2000 LT450IW 450±1.0 6 2 ±2 ±7.5 40 2000 LT450HTW 450±1.0 6 2 ±3 ±9 60 2000 Specifications Part number Center frequency (KHz) Insertion loss (dB) max Pass band [ ... ]

LT-450 PDF Datasheet Download