Dow-Key Microwave Dow Key Coaxial Relays and Switches 411C Series Failsafe/Latching N NEW N The DowKey Microwave 411 Series is failsafe or latching transfer switch for use in applications were high isolation, low VSWR and low insertion loss are critical. The DowKey designed connector features a mechanically captivated center conductor which eliminates epoxy staking, and consequently, RF leakage. Typical Applications: Switch matrixes, standby transmitters with dummy load and alternate antenna select. 4 Stock No. Mfr.Os Type Coil Volts Connector 771-0010 771-0020 771-0020 771-0040 411C-2208 411C-230832 411C-230832A 411C-430832 12 VDC 28 VDC 28 VDC 28 VDC SMA SMA SMA SMA EACH 1-4 5-9 717.40 746.30 746.30 838.10 662.22 688.89 688.89 773.63 Series 60 SPDT Remote Coaxial Relays Remotely operated, ruggedly constructed, SPDT coaxial relays for operation to one kW. Specifications following for use in a 50-ohm transmission line. UHF connectors not recommended above 400 MHz. Operating Time: 25 ms max. Gold plated silver contacts. EACH Stock No. Mfr.Os Type Coil Volts 1-4 5-9 771-6780 771-6781 771-6800 771-6802 771-6804 60-2301 60-220142* 60-2201 60-230142* 60-260142* 26.0 DC 12.0 DC 12.0 DC 26.5 DC 115.0 AC 219.30 438.09 243.10 419.90 358.70 202.43 404.37 224.40 387.60 331.11 *Has two Form C5A, 115 VAC auxiliary contacts. Series 77 SPDT Remote Coaxial Relay Medium size, lightweight relay for industrial and less critical military applications. The OTO shaped connector configuration has the common connector at one end and the NO and NC connectors 180 apart at the other end. Operating Time: 35 msec. max. BNC connector type except . Gold plated silver contacts. Weight: 3 oz. EACH Stock No. Mfr.Os Type Coil Volts 1-4 5-9 771-6742 771-6806 771-6807 77-230232* 77-2232 77-2302 26.0 DC 12.0 DC 26.5 DC 418.20 333.20 294.10 386.03 307.57 271.48 *One Set Form C Auxiliary Contacts. F Type Connector. 164 Series SPDT 315 Series The 164 series is a small compact relay that has all connectors mounted opposite the mounting plane. Gold-plated contacts provide excellent low-level RF performance (50 dB isolation, .03 dB insertion loss, VSWR 1.03:1). With good performance to 1 GHz, these switches have many general purpose applications. EACH Stock No. Mfr.Os Type Coil Volts Connector Amphenol Model 1-4 5-9 771-6919 771-6920 164-2202 164-2302 12 26 BNC BNC 321-11064-2 321-11064-3 350.20 350.19 323.26 323.27 101, 401 and 403 Series SPDT 402 Series SPDT The 401 SPDT switch with SMA connectors operates DC-18 GHz with minimum isolation of 60 dB (85 dB below 1 GHz), maximum VSWR of 1.5:1, and maximum insertion loss of 0.5 dB. Handles up to 100 W CW (25 W at 18 GHz). Standard coils on failsafe relays are 12 VDC (42 ohms), and 28 VDC (260 ohms). Operate time at 20C is 15 mS max. Type 401-2208 is standard. Dimensions (exclude connectors): 1.40"H 1.34"L 0.50"W (35.6 34.0 12.7 mm). Weight: Approximately 2 oz. EACH The 402 series SPDT failsafe switches operate DC-12.4 GHz with minimum isolation of 60 dB (85 dB below 1 GHz). Maximum VSWR: 1.60:1. Maximum Insertion Loss: 0.5 dB. Handles up to 1 KW continuous power (100 W at 12.4 GHz). Operate time at 20C is 20 mS maximum. N type connectors. Type 402-220132 is with a set of Form C indicator contacts. Dimensions (excluding connectors): 2.20"H 2.64"L 1.09"W (55.9 67.1 27.7 mm). Weight: Approximately 9 oz. Stock No. Mfr.Os Type Coil Volts 1-4 5-9 Stock No. Mfr.Os Type* Coil Volts 771-6400 771-6401 771-6787 771-6794 771-6402 101-2208 101-2308 401-2208 401-2308 403-2308 12 DC 28 DC 12 DC 28 DC 28 DC 85.00 85.00 243.10 151.30 278.80 78.46 78.46 224.40 139.66 257.35 1-4 5-9 771-6789 771-6790 771-6791 402-2201 402-2301 402-220132 12.0 DC 26.5 DC 12.0 DC 496.40 496.40 547.40 458.22 458.22 505.29 120 b ALLIED EACH *Consult factory for high power requirement. For Local Personalized Service Call 1-800-433-5700