2970 SERIES REED RELAYS FOR -40 C TO 125C 2970 Series Reed Relays Ideally suited to the needs of Automated Test Equipment and Instrumentation. The 2970 series offers a 1 Form A and 1 Form C coaxial relay for special -40C to +125C Wide Operating Range testing environments. If your requirements differ, please consult your local representa - -40C to +125C tive or Cotos Factory. 2970 Series Features u Coaxial shield for 50 impedance u High Insulation Resistance u Hermetically sealed contacts for long life u Epoxy coated steel shell provides magnetic shielding u Wide operating temperature range -40C to +125 C u RoHS compliant DIMENSIONS in Inches (Millimeters) .250 .820 (6.35) (20.82) .280 (7.11) .020 .500 (0.51) (12.7) .100 .125 (2.54) (3.18) .700 .022 Dia. pins (17.78) (0.56) 1 2 3 4 86 5 7 Bottom View Ordering Information Part Number 297X-XX-00 Model Number 2974 (Form 1A) Coil Voltage 2971 (Form 1C) 05=5 volts 12=12 volts 24042014 tel: (401) 943.2686 fax: (401) 942.0920 22 page2 2 2974 2971 MODEL NUMBER 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 230 1500 230 1500 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 200 150 Switching Current Max DC/Peak AC Resist. Amps 0.5 0.25 Carry Current Max DC/Peak AC Resist. Amps 1.5 1.0 Contact Rating Max DC/Peak AC Resist. Watts 10 3 1 6 Life Expectancy-Typical Signal Level 1.0V, 10mA x 10 Ops. 500 100 Static Contact 50mV, 10mA 0.100 0.150 Resistance (max. init.) Dynamic Contact 0.5V, 50mA 0.200 0.200 Resistance (max. init.) at 100 Hz, 1.5 msec RELAY SPECIFICATIONS Insulation Resistance Between all Isolated Pins 12 10 10 10 (minimum) at 100V, 25C, 40% RH Capacitance - Typical Shield Floating pF 1.0 2.0 Across Open Contacts Shield Guarding pF 0.3 1.0 Between Contacts VDC/peak AC 350 200 Dielectric Strength Contacts to Shield VDC/peak AC 350 200 (minimum) Contacts/Shield to Coil VDC/peak AC 1500 1500 Operate Time - including At Nominal Coil Voltage, msec. 0.5 1.0 bounce - Typical 30 Hz Square Wave Release Time - Typical msec. 0.1 2.0 Top View: 5 4 5 4 6 3 Dot stamped on top of relay refers to pin 1 location 6 3 Grid = .1x.1 (2.54mm x 2.54mm) 7 2 7 2 8 1 8 1 Notes: 1 Consult factory for life expectancy at other switching loads. 2 Model 2974 & 2971, 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 specified. Vibration: 20 Gs to 2000 Hz Shock: 50 Gs 24042014 COTO TECHNOLOGY, INC. For most recent data visit www.cotorelay.com page 23