<strong>Pad</strong> ROL <strong>200</strong> <strong>XT</strong> For questions about anythingcontained in this Maintenance &Inspection Guide, contact yourlocal <strong>Johnstech</strong> representative.If you are experiencing a technicalproblem or issue, fill out the onlineTech Help Form at:www.johnstech.com(All forms will be responded towithin two business days.)OR contact the nearest FieldService Office.(Turn to the back cover foraddresses/phone numbers.)ABOUT JOHNSTECHSince 1992, <strong>Johnstech</strong> International Corporation, headquartered in Minneapolis,MN, has been a leading provider of interconnect solutions for semiconductormanufacturers who want higher first-pass yields and lower overall cost of test.<strong>Johnstech</strong>’s high performance Test Contactors are available in <strong>Pad</strong>, Leaded,BGA, and Edge packages and are based on patented technology that providessuperior electrical and mechanical performance. <strong>Johnstech</strong> also partnerswith Handler, Tester and Load Board manufacturers to ensure appropriateinterfaces. With offices in the United States and Singapore; Field Service officesin California, Singapore, Philippines; and representation in China, Israel, Japan,Korea, Southeast Asia (Malaysia, Philippines, Singapore, Thailand) and Taiwan,<strong>Johnstech</strong> is proud to provide worldwide service and support.Please refer to the back cover for addresses and phone numbers or go toour website at www.johnstech.com.TABLE OF CONTENTSStandard Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Contactor Component Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Contactor Identification Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Contactor Configuration Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Recommended Tools .......................... . . . . . . . . . . . . . . . . . . .7Cleaning and Maintenance Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Pre-Maintenance Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10Load Board & Contactor Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Load Board Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Contactor Inspection ........................... . . . . . . . . . . . . . . . . . .11Housing, Elastomer & Contact Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Housing Inspection ............................ . . . . . . . . . . . . . . . . . .12Elastomer Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Contact Inspection ............................. . . . . . . . . . . . . . . . . . .12Oxide Buildup ................................ . . . . . . . . . . . . . . . . . .12Contactor Removal & Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Contact & Elastomer Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Contactor Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-17Light Cleaning ................................ . . . . . . . . . . . . . . . . . .15Thorough/Ultrasonic Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Elastomer Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Contact Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Installation Verification ......................... . . . . . . . . . . . . . . . . . .20Grounding Information ......................... . . . . . . . . . . . . . . . 21-24Grounding Solutions Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Ground Insert Removal ......................... . . . . . . . . . . . . . . . . . .22Ground Insert Installation (New RCI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Ground Insert Installation (Snap Fit RCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242www.johnstech.com©2012 <strong>Johnstech</strong> International CorporationAll rights reserved.
<strong>Pad</strong> ROL <strong>200</strong> <strong>XT</strong> STANDARD PRODUCT INFORMATIONElectrical Specifications Matte Tin Configuration NiPdAu ConfigurationInductance: Self: 0.45 nH Self: 0.55 nHMutual: 0.21 nHMutual: 0.24 nHCapacitance: Ground: 0.27 pF Ground: 0.23 pFMutual: 0.12 pFMutual: 0.12 pFS 21Insertion Loss (GSG): -1dB @ 23.1 GHz -1dB @ 18.5 GHzS 11Return Loss (GSG): -20dB @ 5.0 GHz -20dB @ 5.8 GHzS 41Crosstalk (GSSG): -20dB @ 18.10 GHz -20dB @ 29.5 GHzAverage CRES: 30 mΩ 20 mΩCurrent Carrying Capacity*(Duty Cycle 100%, 50%, 1%):Current Leakage:Nearest Decoupling Area:3.8A, 6.0A, 9.8A 3.0A, 5.1A, 9.3A
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