3600 SERIES/LOW THERMAL EMF REED RELAYS 3600 Series Low Thermal EMF Reed Relays e 3Th 600 Series is ideally suited to the needs of Instrumentation, Data Acquisition, and Process Control . The specicfi ation tables allow you to select the appropriate relay for your particular application R . ecommended for use in Scanners, Multiplexers and Digital or Analog Multipoint Recorders I . f your requirements differ from the selection options, please consult Cotos Factory to discuss a custom reed relay . 3600 Series Features u Low Thermal EMF: < 5 V through < 0 . 5 V with 50 nV stability u Patented Low Thermal Design U S . Patent 4,084,142 u Low power coils to ensure low thermal EMF 12 u High Insulation Resistance - 10 u Control/Signal isolation of 1500 VDC u High speed switching compared to electromechanical relays u High reliability, hermetically sealed contacts u Various Form A contacts H . igh Dielectric Strength u Epoxy coated steel shell provides magnetic shielding u Electrostatic shield standard for reducing capacitive coupling u RoHS compliant DIMENSIONS in Inches (Millimeters) .660 1.20 (16.76) (30.48) .475 (12.06) .050 .100 (1.27) 1.000 (25.4) .115 MIN (2.92) .026 DIA. (0.66) 9 10 8 7 6 5 3 4 2 1 Bottom View Ordering Information XXXX--XX X2 Part Number Model Number Thermal EMF Rating See available ratings in specication table. 3602 3650 3660 9=<5V Coil Voltage 8=<3V 05=5 volts 7=<1V 12=12 volts 5=<0.5V tel: (401) 943.2686 fax: (401) 942.0920 22 page3 2 3602 3650 3660 MODEL NUMBER Parameters Test Conditions Units 2 Form A 3 Form A 3 Form A Individual Differential Differential Measured after <5V <5V <5V 5 minutes at nominal Thermal EMF Options V <3V <3V <3V coil voltage (Refer to Reed Relay <1V <1V <1V Technical Section for details) <0.5V <0.5V <0.5V COIL SPECS. Nom. Coil Voltage VDC 5 12 5 12 5 12 Coil Resistance +/- 10%, 25 C 350 2000 350 2000 350 2000 Operate Voltage Must Operate by VDC - Max. 3.8 9.0 3.8 9.0 3.8 9.0 Release Voltage Must Release by VDC - Min. 0.4 1.0 0.4 1.0 0.4 1.0 CONTACT RATINGS Switching Voltage Max DC/Peak AC Resist. Volts 150 150 150 Switching Current Max DC/Peak AC Resist. Amps 0.25 0.25 0.25 Carry Current Max DC/Peak AC Resist. Amps 1.5 1.5 1.5 Contact Rating Max DC/Peak AC Resist. Watts 5 5 5 1 6 Life Expectancy-Typical Signal Level 1.0V, 10mA x 10 Ops. 500 500 500 Static Contact 50mV, 10mA 0.100 0.100 0.100 Resistance (max. init.) Dynamic Contact 0.5V, 50mA 0.200 0.200 0.200 Resistance (max. init.) at 100 Hz, 1.5 msec RELAY SPECIFICATIONS Insulation Resistance Between all Isolated Pins 12 12 12 10 10 10 (minimum) at 100V, 25C, 40% RH Shield Floating pF 1.2 1.2 1.2 Capacitance - Typical Shield Guarding pF 0.2 0.2 0.2 Across Open Contacts Contacts Open pF 2.5 2.5 2.5 Contact to Shield Shield & Coil Tied Common pF 2.5 2.5 2.5 Between Contacts VDC/peak AC 250 250 250 Dielectric Strength Contacts to Shield VDC/peak AC 1000 1000 1000 (minimum) Contacts/Shield to Coil VDC/peak AC 1500 1500 1500 Operate Time - including At Nominal Coil Voltage, msec. 0.75 0.75 0.75 bounce - Typical 30 Hz Square Wave Release Time - Typical msec. 0.1 0.1 0.1 9 7 5 3 1 9 7 5 3 1 9 7 5 3 1 To p V i e w : Grid = .1x.1 (2.54mm x 2.54mm) Notes: 1 Consult factory for life expectancy at other switching loads . 2 Model 3660: Reed switch between pins 9 & 10 is not low thermal and is tied in 10 8 6 4 2 10 8 6 4 2 10 8 6 4 2 common with the electrostatic shield . 3 Model 3650: Reed switch between pins 3 & 4 is not low thermal and is not tied in common with the electrostatic shield . Pin numbers for reference only . Environmental Ratings: + + Storage Temp: -35C to 100C Operating Temp: -20C to 85C 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 COTO TECHNOLOGY, INC. For most recent data visit www.cotorelay.com page 23