A range of carbon track
potentiometers with printed circuit board mounting terminals. Fixing hole required: 10.5mm (13/32in.). Power rating: 0.4W linear, 0.2W log. Max. volt: 500Vdc. Tolerance: ±20%. Overall shaft length 50mm.
The following values are available with a linear track:
1k, 4k7, 10k, 22k, 47k, 100k, 220k, 470k, 1M, 2M2.
The following values are available with a logarithmic track:
4k7, 10k, 22k, 47k, 100k, 220k, 470k, 1M, 2M2.
Frequently Asked Questions
Q- What material is the shaft made from?
- PH
Answer- Plastic.
Q- what degrees do they turn?
- gl
Answer- 300
Q- What is the working difference between the logarithmic and linear tracks?
- J Wright
Answer- Linear (LIN) track means that the resistance changes at a constant rate as you move the wiper. This is the standard arrangement and you should assume this type is required if a project does not specify the type of track. Presets always have linear tracks.
Logarithmic (LOG) track means that the resistance changes slowly at one end of the track and rapidly at the other end, so halfway along the track is not half the total resistance! This arrangement is used for volume (loudness) controls because the human ear has a logarithmic response to loudness so fine control (slow change) is required at low volumes and coarser control (rapid change) at high volumes. It is important to connect the ends of the track the correct way round, if you find that turning the spindle increases the volume rapidly followed by little further change you should swop the connections to the ends of the track.
Q- What is the spindle diameter of this product ?
- Tim Jarrett
Answer- spindle is 6mm (thread is 10mm)
Q- Can this pot be used for dimming three (red) luxeon star LEDs (with suitable in-line resistor) driven from 12v?
- Nick
Answer- yes it can
Q- Hiya, Do these rotary switches turn fully?
- Harry
Answer- No Sorry.
Q- Can these be used to control the volume of a bass speaker
- RW
Answer- We can see no reason why not.
Q- Does this potentiometer have a flat on its shaft?
- bill
Answer- Yes, that's correct.
Q- Which of these potentiometers would be used to control volume for speakers?
- Toby
Answer- Speaker pot's (L-PADS) we don't stock I'm afraid.
Q- I have a very old car blower system, the switch only sets the motor to full on or off. would this component be suitable for use to slow the fan speed?
- Ben H
Answer- No sorry this product does not support that.
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