What is the best resistor type for snubbers?
Can i use any type of the resistor ?
Thanx for replys
Can i use any type of the resistor ?
Thanx for replys
A snubber resistor just has to be resistive at the relevant frequency, and able to cope with the power level. It doesn't have to be non-inductive or non-magnetic or non-anything else.
Some valve amplifier aficionados here have vigorously asserted (screamed) that anything across a mains transformer secondary winding, needs to be "safe" when a 1500V mains surge occurs. They conclude that secondary snubber resistors must be fireproof, and snubber capacitors must be rated to handle several kilovolts. These earnest people steadfastly assert (scream) this, even if the equipment contains surge protection components like MOVs and TVSs; and even if the equipment connects to the mains through an expensive mains conditioner/protector box externally; even if this external box uses the "series" protection topology like ZeroZurge, Brick Wall, SurgeX etc.
Following this advice does, I suppose, make the equipment safer (marginally so); also bigger, and more expensive too. I myself am not as much of a skeptic towards MOVs and ZeroSurges as these imperative people.
Following this advice does, I suppose, make the equipment safer (marginally so); also bigger, and more expensive too. I myself am not as much of a skeptic towards MOVs and ZeroSurges as these imperative people.
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