Maximizing the reliability of Reed Relays in your designs
If used correctly, a Reed Relay is a superbly reliable device. The switch contacts are hermetically sealed, so do not suffer from oxidization or contamination in the same way as an open electromechanical relay. In reality, though, relays are often considered slightly mundane and little thought is given to them. This sometimes leaves them vulnerable.
This concise technical guide will help you to maximize the reliability of your designs. Topics include:
- Former-less Coils
- Magnetic Interaction
- Temperature Effects
- Contact Abuse
- ‘Hot’ Versus ‘Cold’ Switching
- Why Place a Diode Across a Relay Coil
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