3501-12-911

3500 SERIES/LOW THERMAL EMF REED RELAYS 3500 Series Low Thermal EMF Reed Relays The 3500 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 high accuracy DVM’s, 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. 3500 Series Features u Low Thermal EMF: < 10 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 reliability, hermetically sealed contacts u Form A, Dry or Hg Wetted contacts. High Dielectric Strength u Epoxy coated steel shell provides magnetic shielding u RoHS compliant (except for 3520) DIMENSIONS in Inches (Millimeters) 1.20 (30.48) .500 (12.7) .500 (12.7) .485 MAX (12.32) .485 MAX (12.32) .125 (3.17) .050 (1.27) 1.00 (25.4) .026 DIA. (0.66) 13 .200 (5.08) .300 (7.62) For Model 3501 & 3540 .050 (1.27) .100 (2.54) .100 (2.54) For Model 3502, 3520 & 3541 14 2 1 Bottom View Ordering Information XXXX-XX-X1X Part Number Shielding Options2 Model Number 1=Electrostatic Shield 3501 3502 3520 3540 3541 Coil Voltage 05=5 volts Thermal EMF Rating 12=12 volts See available ratings in specification table. 1=