Using Flyback Diodes in Relays Prevents Electrical Noise in Your Circuits | PCB Design Blog | Altium
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Relay Coil Suppression with single Zener Diode across BJT - Electrical Engineering general discussion - Eng-Tips
![inductor - Minimum specs before a flyback diode is needed for a relay? - Electrical Engineering Stack Exchange inductor - Minimum specs before a flyback diode is needed for a relay? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/tryYf.png)
inductor - Minimum specs before a flyback diode is needed for a relay? - Electrical Engineering Stack Exchange
![flyback - Can a Zener diode that protects a switch against inductance when the switch opens, affect turn on speed of the valve when you close it again? - Electrical Engineering Stack Exchange flyback - Can a Zener diode that protects a switch against inductance when the switch opens, affect turn on speed of the valve when you close it again? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/yljgF.png)
flyback - Can a Zener diode that protects a switch against inductance when the switch opens, affect turn on speed of the valve when you close it again? - Electrical Engineering Stack Exchange
![Component Options for Relay Coil Surge Suppression - Design Tools and Resources - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key Component Options for Relay Coil Surge Suppression - Design Tools and Resources - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key](https://global.discourse-cdn.com/digikey/original/2X/5/5ba59d5b0cabb108b648704ea8be793ae8f96c2f.png)