The 2351051 from Astra Microwave Products Limited is a RF Variable Attenuator with Frequency 16 to 18 GHz, Attenuation Range 31.5 dB, Attenuation Step 0.5 dB, Attenuation Accuracy 1.5 dB, Insertion Loss 4.5 dB. Tags: Die, Programmable, Digital. More details for 2351051 can be seen below.