[TCML] Terry Filter Resistors
bartb at classictesla.com
Sun Jan 25 11:44:28 MST 2009
The manufacturer PN is LTO100F1K and is a TO-247 package. In free air by
itself it's rated at 3.5W. If sinked well (big with external cooling),
it is claimed to handle 100W. That may be more trouble than it's worth
and more expensive than using a standard ceramic power resistor.
If it were not for the cost and complexity, you could go with this type
of package minus forced air cooling by putting say ten 1000 ohm
resistors in parallel on a heatsink (100 ohm total). The current through
each resistor would branch at 1/10 current per resistor. But due to the
cost and complexity, not a good solution. The standard power resistor is
the way to go.
Anyway, here's the datasheet.
Simon Dodd wrote:
> Would these resistors from RS 2509695294 be ok for the main power
> resistors in a terry filter. The only reason I ask is that all the
> terry filters I have seen have used much larger (in size) resistors
> and I am worried that these will burn out too quickly.
> Thanks again
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