WAVEGUIDE SPDT/DPDT Waveguide Lightweight Waveguide: Latching RF Characteristics • WR 28 - WR 112 • 200K Cycles • Reduced Weight • Reduced Current Consumption Specifications Specifications Frequency GHz VSWR (max) Isolation dB (min) Ins. Loss dB (max) WR 28 (26.5-40.0) 1.12 60 0.20 WR 34 (22.0-33.0) 1.12 60 0.15 WR 42 (18.0-26.5) 1.13 60 0.12 WR 62 (12.4-18.0) 1.10 60 0.10 WR 75 (10.0-15.0) 1.15 60 0.10 WR 90 (8.20-12.4) 1.15 60 0.10 WR 112 (7.05-10.0) 1.10 60 0.10 Mechanical Mechanical / Electrical Schematic Operating Voltage: 28 Vdc (24-30 Vdc) Coil Current (max. @ nom. Vdc & 20°C)*: 28 Vdc 350 mA Switching Time: 100 ms maximum (WR 28 thru WR 90) 200 ms maximum (WR 112) Operating Temperature: -54ºC to +85ºC Mechanical Life Cycles: 200,000 minimum Nominal Weight: 10.58 oz. (300 g.) for WR 28 thru WR 90 17.64 oz. (500 g.) for WR 112 Dimensions are the same for WR 28 thru WR 90 but slightly larger for WR 112. Part Number Selector Part Number Selector WR28 Waveguide Size Configuration Flange Type WR28 S = SPDT 1 = Cover WR34 T = DPDT 2 = Choke T 1 4 3 Actuator 4 = Latching Self Cutoff 2 1 Coil Voltage 3 = 28 Vdc Polarity Indicators 1 = Positive Common 0 = No Indicators 2 = Negative Common 1 = Indicators WR42 WR62 WR75 WR90 WR112 7-2 Dow-Key Microwave • www.dowkey.com • 800.266.3695 AS9100/ISO-9001: 2008 Certified