Need to calculate RC snubber for Relay Bounce in 170VDC Discharge ...
May 15, 2025 · I tried an RC snubber made of a series 10 ohm and 10nF capacitor and saw significant improvements in the coupled noise and relay bounce peak vales. The relay contact bounce peaks …
Relay Snubber - All About Circuits
May 20, 2025 · I want to design a suitable RC snubber across the motor to protect two HFKA/012-2ZST relays, which are used to control its two terminals. I don’t know how the formulas in equation (4) are …
How do I design a Snubber for a DC motor with rotation reversal?
Sep 23, 2024 · The microcontroller part of the circuit is working as expected, but I wanted to know if, in case I include an RC Snubber for circuit protection, I should make any changes to the original design …
What is this device across the contactor coil? - All About Circuits
Feb 2, 2024 · On the location question again, so it doesn't matter at all if the snubber/diode is placed across the coil/load or the contacts supplying power to the coil/load, it doesn't make a blind bit of …
RC Snubber Values - All About Circuits
Dec 23, 2012 · Hi, I have been fighting with a noisy pump that is switched by a relay. I have decided to give a RC snubber across the pump a try to see if it will quite it down. I'm however having some …
RC snubber high power DC motor - All About Circuits
Aug 22, 2023 · The snubber can be brought in parallel with the motor just before the direction reversal and disconnected afterwards by the use of a timing capacitor. This is something you'd usually do with …
Snubbers....? | All About Circuits
Feb 17, 2014 · In my experience, snubbers are used to reduce oscillatory ringing. If you are just seeing spikes on one or both edges of the pulsed power to a phase it may be some other issue such as …
Help in snubber circuit design for a H-bridge - All About Circuits
Mar 29, 2008 · This h-bridge is a 24V and use to drive a DC brush motor which is 24V, 150W. After i test it, the driver can work but when i switch the direction, the lower part N-mosfet will burn. Because of …
Snubber Circuit for a 3-phase inductive load - All About Circuits
Mar 19, 2023 · Hi I am using a contactor to run a 3-phase 1-hp motor instantaneously for a few seconds. I need to add snubber to avoid voltage spikes. My questions: a) What kind of snubber circuit should I …
Dampen Inductive Kickback using Flyback Diode or RC Snubber?
Jul 11, 2024 · A snubber will likely cause the coil current to decay faster, if that's a consideration. But the snubber R and C values must be properly selected to give a damped response with the maximum …