dimensions in inches (millimeters) 2270 series reed relays ideally suited to the needs of automated test equipment and instrumentation requir - ing -40oc to +125 o c operation. if your requirements difer, please consult your local representative or cotos factory. 2270 series features u very small footprint (0.17 in 2 ), high reliability reed relays u high insulation resistance - 10 12 available with model 2274 u long life/high reliability u hermetically sealed contacts for long life u epoxy coated steel shell provides magnetic shielding u wide operating temperature range -40oc to +125 o c u specifcally engineered for oem designs and maintenance of existing production fxtures u rohs compliant 2270 series reed relays for -40 o c to 125 o c .125 .810 .700 (17.78) (12.7) .500 (20.57) (3.18) (2.54) (5.72) .020 .225 .210 (0.46) .018 dia. pins (0.51) .100 (5.33) 4 3 21 5 7 86 ordering information part number xxxx-xx-0x1 model number 2274 (form 1a) 2271 (form 1c) coil voltage 05=5 volts 12=12 volts shielding options 2 0=no shielding (2271 only) 2=coaxial shield (2274 only) bottom view tel: (401) 943.2686 | fax: (401) 942.0920 wide operating range -40oc to +125oc 06262014
notes: 1 consult factory for life expectancy at other switching loads. 2 model 2274, pins #6 & #7 are tied to coaxial shield. environmental ratings: storage temp: -40c to + 125c; operating temp: -40c to + 125c; solder temp: 270c max; 10 sec. max all electrical parameters measured at 25c unless otherwise specifed. vibration: 20 gs to 2000 hz; shock: 50 gs coto technology, inc. for most recent data visit www.cotorelay.com 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 model number 2274 2271 parameters test conditions units 1 form a 1 form c coil specs. nom. coil voltage vdc 5 12 5 12 coil resistance +/- 10%, 25 c 100 550 100 550 operate voltage must operate by vdc - max. 2.5 6.7 2.5 6.7 release voltage must release by vdc - min. 0.4 1.0 0.4 1.0 contact ratings switching voltage max dc/peak ac resist. volts 200 100 switching current max dc/peak ac resist. amps 0.5 0.25 carry current max dc/peak ac resist. amps 1.0 0.5 contact rating max dc/peak ac resist. watts 10 3 life expectancy-typical 1 signal level 1.0v, 10ma x 10 6 ops. 500 100 rated loads x 10 6 ops. 5 5 static contact resistance (max. init.) 50mv, 10ma 0.100 0.150 dynamic contact resistance (max. init.) 0.5v, 50ma at 100 hz, 1.5 msec 0.200 0.200 relay specifications insulation resistance (minimum) between all isolated pins at 100v, 25c, 40% rh 10 12 10 11 capacitance - typical across open contacts shield floating shield guarding pf pf 0.9 0.2 0.9 n/a dielectric strength (minimum) between contacts contacts to shield contacts/shield to coil vdc/peak ac vdc/peak ac vdc/peak ac 250 250 1500 200 n/a 1500 operate time - including bounce at nominal coil voltage, 30 hz square wave msec. 0.5 (typ.) 1.0 (typ.) release time - typical msec. 0.1 2.0 top view: dot stamped on top of relay refers to pin #1 location grid = .1x.1 (2.54mm x 2.54mm) 06262014
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