RF Coax Connectors SMB Connectors SMB Connectors are avail- Product Facts able in commercial and SMB offers snap-fit coupling high rel versions. They are for quick connect/disconnect ideally suited for circuit Choice of Commercial or miniaturization and are High Rel Connectors offered in a wide range of configurations including 50 and 75 MIL-Type plugs, right-angle plugs, connectors available jacks, bulkhead jacks and Straight plugs and jacks are adapters, as well as printed completely crimp terminated circuit board and solder jacks. Fast easy cable assembly Termination costs are kept Low VSWR to a minimum using plugs Standard military, commer- and jacks with a crimp cen- cial or Tyco Electronics ter contact and hex crimp tooling outer braid. Both hand held Listed under the Component tooling and pneumatic Program of Underwriters bench-mounted tooling is Laboratories Inc., available. Easily assembled R File No. E81956 right-angle plugs have a hex crimp on the outer PC Board soldered connec- braid ferrule and bifurcated tors are recognized under solder center contacts. the Component Program of Underwriters Tyco Electronics 75 Ohm BT R Laboratories Inc., 43 SMB Connectors feature File No. E81956 unique spring mating with snap-fit couplings for quick Certified by Canadian connect/disconnect. These Standards R connectors are designed Association to be intermateable with File No. LR 7189 75 Ohm SMB MIL-C-39012 connectors. They also fea- ture reliable dual crimp cable terminations. Packaging All connectors are packaged individually unless otherwise noted under the Military No. and/or Comments column in the connector specifications chart. Between Series Adapters For SMB Between Series Adapters, please see pages 251-260. 176 Catalog 1307191 Dimensions are in millimeters Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-2103-6000 Revised 3-07 and inches unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628 specified. Values in brackets Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013 www.tycoelectronics.com are standard equivalents. to change. C. America: 52-55-1106-0803 UK: 44-8706-080-208RF Coax Connectors SMB Connector Specifications Electrical Characteristics Environmental Characteristics Impedance 50 ohms and 75 ohms, nominal Temperature Rating 65C to +165C Frequency Range 0 to 4.0 GHz Corrosion (salt spray) MIL-STD-202, Method 101, test condition B, 5% salt solution Voltage Rating (VRMS) Sea Level 70,000 Feet Vibration High Frequency MIL-STD-202, Method 204, test condition B 50 ohm connectors for RG 178/U series cable 300 75 (15 Gs) 50 ohm connectors for RG 316/U series cable 400 100 1 75 ohm connectors for RG 179/U series cable 300 75 Shock MIL-STD-202, Method 213, test condition B, 75 Gs at 6 milliseconds, 2 75 ohm connectors for RG 195/U series cable 500 125 sine Insulations Resistance 1000 megohms min. Thermal Shock MIL-STD-202, Method 107, test condition B, except high tem- perature shall be +85C. High temperature shall be +200C for connectors using Contact Resistance (milliohms max.) After 200C cables. Initial Environment Moisture Resistance MIL-STD-202, Method 106, when interface gasket is Center contact 6.0 8.0 used. No measurements of high humidity. Insulation resistance shall be 200 Outer contact 1.0 1.5 megohms minimum within five minutes after removal from humidity. Braid to body 1.0 N/A Durability Test Conducted per MIL-C-39012 Reg. Para. 3.15, Method Para. 4.6.12 Contact Current Rating 1.5 amps DC max. Voltage Standing Wave Ratio (VSWR0 to 4.0 GHz or 80% of upper cutoff frequency of the cable, whichever is lower. Materials Body, Body Components and Male Contacts Brass, half hard, per QQ-B-626, Alloy 360, Zinc per QQ-Z-363 Mating Engagement Cable Female Contacts Beryllium copper per QQ-C-530, heat treated per MIL-H-7199 Straight Right-Angle Insulators TFE fluorocarbon per ASTM D 1710, Type 1, Grade 1 RG 178/U Series 1.30 + .04F 1.45 + .06F Lockwashers Phosphor bronze per QQ-B-750 RG 316/U Series 1.25 + .04F 1.35 + .04F Crimp Ferrule Annealed copper alloy per WW-T-799 F=GHz, does not apply to 75 ohm connectors. Gaskets Silicone rubber per ZZ-R-765, Class 11B, Grade 65-75 RF High Potential Withstanding Voltage Plating Frequency 5 MHZ Center Contacts 0.00127 .000050 min. Gold per MIL-G-452048 Type 1, Leakage Current N/A Grade C, Class 1, over 0.00254 .000100 min. nickel per QQ-N-290 50 ohm connectors for RG 178/U series cable 675 VRMS Other Metal Parts Gold, Nickel or Solder plated to meet the Finish and 50 ohm connectors for RG 316/U series cable 950 VRMS Corrosion requirements of MIL-C-39012 75 ohm connectors for RG 179/U series cable 950 VRMS 75 ohm connectors for RG 195/U series cable 1225 VRMS RF Leakage 55 dB min. at 2-3 GHz Insertion Loss .30dB max. at 3 GHz Mechanical Characteristics Engagement Forces 14 lbs. 62.3 N maximum engagement initially. After 500 matings, 14 lbs. 62.3 N maximum engagement and 2 lbs. 8.8 N minimum disengagement for all of SMBs. Cable Attachment Straight Connectors Crimp, both center contact and braid Right-Angle Connectors Crimp on braid and bifurcated solder center contact Durability 500 cycles per MIL-C-39012 Contact Captivation When captivated, the contacts will withstand 4.0 lbs. minimum axial force. Cable Retention When properly assembled to the compatible braided coaxial cable, the retention is equal to the breaking strength of the cable. Marking Per MIL-STD-130 177 Catalog 1307191 Dimensions are in millimeters Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-2103-6000 Revised 3-07 and inches unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628 specified. Values in brackets Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013 www.tycoelectronics.com are standard equivalents. to change. C. America: 52-55-1106-0803 UK: 44-8706-080-208