50 coto technology (usa) tel: (401) 943-2686 / fax (401) 942-0920 (europe) tel: +31-45-5439343 / fax +31-45-5427216 series features applications planar bga surface mount ic testers ability to pass ghz signals in-line relay testers rise time < 45 sec memory testers ~ 50 ? characteristic impedance mixed signal testers low capacitance high bandpass applications patented design 1 b41 4-channel rf relays ball grid array 4-channel relays the b41 is four independent form a channels in one planar quad package. coto?s ball grid array (bga) construction offers a break- through in reed relay performance. this patented technology 1 allows for shorter rf paths in a controlled 50 ? environment to minimize signal attentuation. the designer is now able to switch or pass signals with wider bandwidth and faster rise time than alternative technologies. this is particularly important in mixed signal ic testers. this four-in- one bga packaging allows relays to be integrated easily on boards designed for surface mount processing. notes: 1 protected by one or more of the following us patents: 6025768, 6052045, 6294971, 6683518, re38381 and other foreign patents. top view ball pattern top view schematic top view b41 receiver board pad layout * dimensions shown are before soldering. dimensions in inches (mm) metric dimensions govern general dimensional tolerance: .006 ( 0.15) *
51 for most recent data, consult the coto technology website: www.cotorelay.com e-mail: sales@cotorelay.com b41 4-channel rf relays notes: 1 all parameters specified per eia/narm standards for dry reed relays, # rs-421 and rs-436, if a suitable parametric standard exists. 2 unless otherwise noted, all parameters are specified at 25c and 40% rh. 3 life expectancies based on characteristic life (63.2% failure) calculated from the 2-parameter weibull distribution. contact resistance >2.0 ? defines end of life. 4 frequency at which the difference between output and input signal amplitude exceeds -3db. 5 maximum increase in operate voltage for any channel when all channel coils are driven at nominal coil voltage and with the same drive polarity. environmental ratings: storage temperature: -35c to + 100c. operating temperature: -20c to + 85c. vibration: sinusoidal vibration with an amplitude of 10g over a 10hz to 2000hz frequency range shall neither cause a closed channel activated at the nomi- nal coil voltage to open, nor an open channel to close. max soldering temperature: 438f(226c) for 1 minute dwell time. temperature measured at a relay ball termination. moisture sensitive component. handle as j-std-020b level 5a.
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