Open links in new tab
  1. Solenoid Flyback protection - All About Circuits

    Aug 31, 2022 · A diode connected across the solenoid in the direction that prevents current from flowing while the solenoid is being driven. Back EMF from the solenoid will reverse the voltage across is and …

  2. Designing Flyback Converter | Forum for Electronics

    Jul 8, 2024 · If you interleave wind a flyback, then the snubber loss is usually lower than any shortform calcualtion gives it. High power flybacks (300W+) can use a small flyback in the RCD snubber itself …

  3. Coil Flyback Current / Voltage - All About Circuits

    Jan 29, 2024 · The "flyback" voltage will be equal to the diode forward voltage drop, as that will be the maximum across the inductor. So the inductive energy will be dissipated in the diode forward drop …

  4. Flyback for dc motor - All About Circuits

    May 21, 2019 · I understand about flyback diodes around motors and the ubiquitous 100nF across terminals (and the ones from terminals to chassis for Christmas Tree decoration fans), just wondered …

  5. [SOLVED] - Isolated Flyback SMPS- High ripple on the output voltage?

    Apr 27, 2021 · Hi dear team, I made a switched mode power supply circuit using UC3845. And I made the circuit on the lab using flyback transformer from Würth elektronik...

  6. [SOLVED] - Flyback snubber not working! | Forum for Electronics

    Feb 23, 2016 · Hi guys, I'm trying to replicate and understand an offline flyback converter and I have some questions for those with experience. The circuit I'm trying to replicate is this one. It uses the …

  7. Power stage transfer function for flyback - Forum for Electronics

    Jun 13, 2021 · The flyback and buck-boost resemble each other because their core generates all power sent to the output stage. Specifically, the collapsing flux field provides current.

  8. High voltage startup circuits of flyback controllers (NCP1239 & NCP1219)

    Sep 5, 2024 · Hi, **..Question 1..** In AND8393 page 2 it shows a diode (D13) and two 1206 resistors (R41=R42= 1k82) being used in the HV startup circuit to NCP1219. The startup current is only 12mA …

  9. 24V DC Contactor Coil - Flyback Diode Required - All About Circuits

    Feb 26, 2022 · I have a series of contactors with 24V DC coils. These are being driven via an open collector output on a CNC controller (the spec sheet says it can handle max 50V and 500mA) Is a …

  10. TV flyback transformer replacement without RC snubber?

    Mar 6, 2019 · The only replacement flyback I've found, which according to the eBay listing it's a replacement Kf4825G flybacks, does not come with the RC snubber. This is the eBay listing for it. …