2904-05-101 COTO | Alldatasheet
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Technical content
12 COTO TECHNOLOGY (USA) Tel: (401) 943-2686 / Fax (401) 942-0920 /c54 (Europe) T el: +31-45-5439343 / Fax +31-45-5427216
2900 Series Reed Relays
Ideally suited to the needs of Automated T est Equipment and RF requirements. The specification tables allow you to select the appro- priate relay for your particular application. Slightly larger than the
2200 Series; these relays provide maximum versatility with options
such as a Form C with electrostatic or co-axial shielding. If your requirements differ, please consult your local representative or Coto’s Factory.
2900 Series Features
/whwydiamond Very small (0.20 in2), high reliability reed relays /whwydiamond High Insulation Resistance - 10 12 Ω offered on some models /whwydiamond High speed switching compared to electromechanical relays /whwydiamond Hermetically sealed contacts for long life /whwydiamond Epoxy coated steel shell provides magnetic shielding /whwydiamond Optional Electrostatic Shield for reducing capacitive coupling /whwydiamond Optional Coaxial Shield for 50 Ω impedance and switching of fast rise time digital pulses Dimensions in Inches (Millimeters) Bottom View 2
13For Most Recent Data, Consult the Coto T echnology Website: www.cotorelay.com /c54 E-mail: sales@cotorelay.com Environmental Ratings: Storage T emp: -35°C to +100°C; Operating T emp: -20°C to +85°C Solder T emp: 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 T op 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 2904, 2911 and 2920, pin #7 is tied to optional electro- static shield, pins #6 & #7 are tied to optional coaxial shield. 3Model 2920 has Hg wet contacts - position sensitive, must be mounted within 30° of vertical plane. See schematic. Hg Content per capsule: Form A, 0.04 grams. 4Consists of 56V Zener diode and 1N4148 diode in series, connected in parallel with coil.