Found 5 alternatives for D10AA20Z4 by Anaren. Attenuators — 2-SMD, No Lead.
HIGH POWER CHIP ATTENUATOR, 1DB,
HIGH POWER CHIP ATTENUATOR, 5DB,
HIGH POWER CHIP ATTENUATOR, 6DB,
HIGH POWER CHIP ATTENUATOR, 2DB,
HIGH POWER CHIP ATTENUATOR, 3DB,