3602 RHOPOINT | Alldatasheet

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L LL LLOW OWOW OWOW T T T T THERMAL HERMALHERMAL HERMALHERMAL EMF R EMF R EMF R EMF R EMF R EED EEDEED EEDEED R R R R RELAYS ELAYSELAYS ELAYSELAYS 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 Record- ers. If your requirements differ from the selection options, please consult Coto’s Factory to discuss a custom reed relay. Refer to page 41 for Thermal EMF test methods.

3600 S 3600 S3600 S 3600 S3600 SERIES ERIESERIES ERIESERIES F F F F FEATURES EATURESEATURES EATURESEATURES

u Low Thermal EMF: < 5 µV through < 0.5 µV with 50 nV stability. u Patented Low Thermal Design. Patent #4,084,142. u Low power coils to ensure low thermal EMF. u High Insulation Resistance - 1012 Ω 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 for reducing capacitive coupling.

3600 Series/Low Thermal EMF Reed Relays

Dimensions in Inches (Millimeters) Bottom View

COTO TECHNOLOGY RHOPOINT COMPONENTS LTD Holland Rd, Hurst Green, Oxted, Surrey, RH8 9AX,ENGLAND Model Number 3602 x36504 x36602 Parameters Test Conditions Units 2 Form A 3 Form A 3 Form A THERMAL EMF OPTIONS Measured after 5 minutes at nominal coil voltage Refer to Reed Relay Technical Section for Details µV Differential <5µV <3µV <1µV <0.5µV Differential <5µV <3µV <1µV <0.5µV Differential <5µV <3µV <1µV <0.5µV COIL SPECS. Nom. Coil Voltage VDC 5 12 5 12 5 12 Coil Resistance +/- 10%, 25° C Ω 350 2000 350 2000 350 2000 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 Life Expectancy-Typical Signal Level 1.0V, 1mA x 106 Ops. 500 500 500 Static Contact Resistance Dynamic Contact Resistance (max. init.) 0.5V, 50mA at 100 Hz, 1.5 msec Ω 0.200 0.200 0.200 RELAY SPECIFICATI ONS Insulation Resistance (minimum) Between all Isolated Pins at 100V, 25°C, 40% RH Ω x 10 12 x 1012 x 1012 Capacitance - Typical Across Open Contacts Shield Floating Shield Guarding pF pF 1.2 0.2 1.2 0.2 1.2 0.2 Contact to Shield Contacts Open Shield & Coil Tied Common pF pF 2.5 2.5 2.5 2.5 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 Release Time - Typical Zener-Diode Suppression 3 msec. 0.1 0.1 0.1 Storage Temp: -35°C to +100°C; Operating Temp: -20°C to +85°C Solder Temp: 270°C max; 10 sec. max The operate and release voltage and the coil resistance are specified at 25°C. These values vary by approximately 0.4%/°C as the ambient temperature varies. Vibration: 20 G’s to 2000 Hz; Shock: 50 G’s Top View: Dot stamped on top of relay refers to pin #1 location Grid = .1"x.1" (2.54mm x 2.54mm) Notes: 1Consult factory for life expectancy at other switching loads. 2Model 3660: Reed switch between pins #9 & #10 is not low thermal and is tied in common with the electrostatic shield. 3Consists of 20V Zener-diode and 1N4002 diode in series, connected in parallel with coil. 4Model 3650: Reed switch between pins #7 & #8 is not low thermal and is not tied in common with the electrostatic shield. Pin numbers for reference only.