3600 SERIES/LOW THERMAL EMF REED RELAYS 3600 Series Low Thermal EMF Reed Relays The 3600 Series is ideally suited to the needs of Instrumentation, Data Acquisition, and Process Control. The specification tables allow you to select the appropriate relay for your particular application. Recommended for use in Scanners, Multiplexers and Digital or Analog Multipoint Recorders. If your requirements differ from the selection options, please consult Coto’s Factory to discuss a custom reed relay. 3600 Series Features u Low Thermal EMF: < 5 µV through < 0.5 µV with 50 nV stability u Patented Low Thermal Design. U.S. Patent #4,084,142 u Low power coils to ensure low thermal EMF u High Insulation Resistance - 1012Ω 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. High 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 (16.76) 1.20 (30.48) .475 (12.06) .050 (1.27) 1.000 (25.4) .100 .026 DIA. .115 MIN (2.92) (0.66) 10 8 6 4 2 9 7 5 3 1 Bottom View Ordering Information Part Number Model Number 3602 3650 3660 Coil Voltage 05=5 volts 12=12 volts XXXX-XX-X2 Thermal EMF Rating See available ratings in specification table. 9=<5µV 8=<3µV 7=<1µV 5=<0.5µV 07082013 tel: (401) 943.2686 | fax: (401) 942.0920 MODEL NUMBER 3602 36503 36602 Units 2 Form A 3 Form A 3 Form A µV Individual <5µV <3µV <1µV <0.5µV Differential <5µV <3µV <1µV <0.5µV Differential <5µV <3µV <1µV <0.5µV VDC 5 12 5 12 5 12 +/- 10%, 25° C Ω 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 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 Signal Level 1.0V, 10mA x 10 Ops. 500 500 500 Static Contact Resistance (max. init.) 50mV, 10mA Ω 0.100 0.100 0.100 Dynamic Contact Resistance (max. init.) 0.5V, 50mA at 100 Hz, 1.5 msec Ω 0.200 0.200 0.200 Insulation Resistance (minimum) Between all Isolated Pins at 100V, 25°C, 40% RH Ω 1012 1012 1012 Capacitance - Typical Across Open Contacts Contact to Shield Shield Floating Shield Guarding Contacts Open Shield & Coil Tied Common pF pF pF pF 1.2 0.2 2.5 2.5 1.2 0.2 2.5 2.5 1.2 0.2 2.5 2.5 Dielectric Strength (minimum) Between Contacts Contacts to Shield Contacts/Shield to Coil VDC/peak AC VDC/peak AC VDC/peak AC 250 1000 1500 250 1000 1500 250 1000 1500 Operate Time - including bounce - Typical At Nominal Coil Voltage, 30 Hz Square Wave msec. 0.75 0.75 0.75 Parameters Test Conditions Measured after 5 minutes at nominal coil voltage Thermal EMF Options (Refer to Reed Relay Technical Section for details) COIL SPECS. Nom. Coil Voltage Coil Resistance CONTACT RATINGS Life Expectancy-Typical 1 6 RELAY SPECIFICATIONS Release Time - Typical msec. Top View: Grid = .1”x.1” (2.54mm x 2.54mm) 0.1 0.1 0.1 9 7 5 3 1 9 7 5 3 1 9 7 5 3 1 10 8 6 4 2 10 8 6 4 2 10 8 6 4 2 Notes: Consult factory for life expectancy at other switching loads. Model 3660: Reed switch between pins #9 & #10 is not low thermal and is tied in 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. 1 2 Environmental Ratings: Storage Temp: -35°C to +100°C; Operating Temp: -20°C to +85°C; Solder Temp: 270°C max; 10 sec. max All electrical parameters measured at 25°C unless otherwise specified. Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s 07082013 For most recent data visit www.cotorelay.com COTO TECHNOLOGY, INC.