169 Series SPDT Switch The DowKey 169 Series SPDT switch is the smallest of the DowKey coaxial RF relays. The switch is manufactured with gold plated contacts to provide reliable RF performance to 1 GHz. Typical applications for the 169 Series include: • Military Communications • Commercial Radio • Transmit/Receive Switching • Antenna Switching • Conditions where size and weight are critical parameters DowKey® 169 Series SPDT Switch RF Characteristics Specifications : Operating Voltage: (across temperature range) 12 Vdc (11-14 Vdc) 28 Vdc (24-32 Vdc) Coil Current (Nominal): 12 Vdc 171 mA 28 Vdc 96 mA Operate Time: 20 mS maximum Operating Temperature: 0ºC to +65ºC Mechanical Life, Cycles: 1 x 106 minimum Nominal Weight: 4.5 oz., (125g.) Frequency MHz VSWR (max) Isolation dB (min) Ins. Loss dB (max) RF Power Watts (max) 50 100 400 1,000 2,000 1.03 1.06 1.12 1.25 1.50 50 50 45 35 30 0.03 0.05 0.10 0.15 0.30 150 100 75 50 25 Connectors and Part Numbers Nominal Coil Voltage Connector Type Part Number 12 Vdc 28 Vdc BNC BNC 169-2203 169-2302 90 DowKey Microwave Corporation 1667 Walter Street, Ventura, California 93003 (805) 650-0260 • FAX (805) 650-1734 169 Series Mechanical Electrical 91 DowKey Microwave Corporation 1667 Walter Street, Ventura, California 93003 (805) 650-0260 • FAX (805) 650-1734