Pasternack DC blocks are passive coaxial components that prevent (block) the flow of direct current (DC) frequencies to RF signals. DC blocks from Pasternack are available in 50 Ohm and 75 Ohm designs and can be purchased in inner-only, outer-only and inner/outer styles at varying frequency ranges.
Pasternack’s 50 Ohm DC blocks can be ordered with 2.4mm, 2.92mm, BNC, Type N and SMA connector types and have frequencies ranging from 10 MHz to 50 GHz. Their 75 Ohm DC blocks are available with Type N, F and BNC connectors and have frequencies ranging from 10 MHz to 4 GHz. Voltage ratings for the Pasternack RF and microwave 50 Ohm DC block product line ranges from 75 Volts to 950 Volts depending on type. Pasternack's 75 Ohm RF DC blocks are available with voltage ratings of 200 Volts.