50 Ohm SMB PC Mount Straight Jack Receptacle Mounting Hole Layout Mating Engagement for SMB Series per MIL-C-39012 NOTES 1. ID of contact to meet VSWR mating characteristics and connector durability when mated with a dia .019 /0.53 male contact. 2. Must meet the force to engage and disengage when mated with mating part. belfuse.com/cinchbelfuse.com/cinch50 Ohm SMB PC Mount Straight Jack Receptacle Technical Specifications Electrical Ratings Impedance 50 ohm Frequency Range Connectors 0 - 4 GHz Dummy Loads 0 - 1 GHz VSWR (f = GHz) Straight Cabled Right Angle Cabled RG-178 Cable 1.30 + .04f 1.45 + .06f RG-316, RG-58, .086 Semi Rigid Cable 1.25 + .04f 1.35 + 0.4f Adapters 1.20 + .04f Uncabled Receptacles, Dummy Loads N/A Working Voltage (VRMS maximum) Connectors for Cable Type Sea Level 70,000 Feet RG-178 250 60 RG-316, RG-58, .086 Semi Rigid, Uncabled 335 85 Receptacles, Adapters Dummy loads N/A Dielectric Withstanding Voltage Connectors for RG-178 750 (VRMS minimum at Sea level) Connectors for RG-316, RG-58, .086 Semi Rigid, 1000 Uncabled Receptacles, Adapters Dummy Loads N/A Corona Level (Volts minimum at 70,000ft) Connectors for RG-178 185 Connectors for RG-316, RG-58, .086 Semi Rigid 250 Uncabled Receptacles, Adapters, Dummy Loads N/A Insertion Loss (dB maximum, tested at 1.5 GHz) Straight Cable Connectors 0.30 dB Right Angle Cable Connectors 0.60 dB Uncabled Receptacles, Adapters, Dummy Loads N/A Insulation Resistance 1000 megohms minimum Contact Resistance (milliohms max) Initial After Environmental Center Contact (straight cabled connectors and 6.0 8.0 uncabled receptacles) Center Contact (right angle cabled connectors and 12.0 16.0 adapters) Outer Contact (Gold plated connectors) 1.0 1.5 Outer Contact (Nickel plated connectors) 2.5 3.5 Braid to Body (Gold plated connectors) 1.0 N/A Braid to Body (Nickel plated connectors) 2.5 N/A RF Leakage (dB minimum tested at 2.5 GHz) Cable Connectors -55 dB Uncabled Receptacles, Adapters, Dummy Loads N/A RF High Potential Withstanding Voltage (VRMS Connectors for RG-178 500 minimum, tested at 4 and 7 MHz) Connectors for RG-316, RG-58 700 Uncabled Receptacles and Adapters 600 Dummy Loads N/A Power Rating (Dummy Load) 0.5 watt +25C, derated to 0.25 watt +125C Avoid user injury due to misapplication. See safety advisory definitions inside front cover. belfuse.com/cinch 2