Need to calculate RC snubber for Relay Bounce in 170VDC …
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 …
Driving transformer primary side with TRIAC - All About Circuits
Oct 20, 2025 · It's a high-commutation triac, so it doesn't necessarily need a snubber, but adding a snubber never did any harm. And, just out of interest, what is the voltage and current of the …
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 …
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 …
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 …
RC Snubber Values - All About Circuits
Dec 23, 2012 · Instead, put the RC snubber across the relay contacts. Typical snubber values are 0.1mf. & 100 ohms in series. Cheers, DPW [Everything has limitations...and I hate limitations.]
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 …
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 …
Choosing the right snubber diodes - All About Circuits
Apr 30, 2025 · Goal: I want to protect a couple of MCU's inputs (PIC16LF18446) that are connected to reed switches through a 3m (10 foot) cable from inductive kickback using …
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 …