The D50AA30Z4A from TTM Technologies is a Fixed Attenuator with Frequency DC to 2.7 GHz, Attenuation 30 dB, Power 50 W, Attenuation Accuracy -1.5 to 1 dB, Operating Temperature -55 to 200 Degree C. Tags: Surface Mount. More details for D50AA30Z4A can be seen below.