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RA20Y15SB203X2203F Datasheet(PDF) 1 Page - TOCOSAMERICA, INC.

Part # RA20Y15SB203X2203F
Description  20mm Diameter, Single-Turn,Wirewound Industrial Panel Controls
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Manufacturer  TOCOS [TOCOSAMERICA, INC.]
Direct Link  http://www.tocos.com
Logo TOCOS - TOCOSAMERICA, INC.

RA20Y15SB203X2203F Datasheet(HTML) 1 Page - TOCOSAMERICA, INC.

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TOCOS AMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173
Tel: 847-884-6664
Fax: 847-884-6665
E-mail: sales@tocos.com
www.tocos.com
53
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . B = 10
Ω to 20kΩ
A,C = 100
Ω to 3kΩ
Resistance Tolerance . . . . . . . . . . . . . . . . .
10% standard
(
5%,
2% or
1% special order )
End Resistance . . . . . . . . . . . . . . . . . . R ! 500
Ω =1Ω max.
R 0 500
Ω = 0.2% max.
Resistance Taper . . . . B = linear; A = CW audio (logarithm);
C = CCW audio (logarithm)
Power Rating . . . . . . . . B = 1 watt; A,C = 0.5 watt, at
40 C
Insulation Resistance . . . . . . . 100M
Ω minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Theoretical Resolution
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 290
5
Shaft Torque
Single Unit . . . . . 30.6 to 204 gf cm (0.424 to 2.828 oz in)
Tandem Unit . . . . . 71.2 to 510 gf cm (0.987 to 7.07 oz in)
Stop Strength . . . . . . . . . . . 6.12 kgf cm (84.84 oz in) max.
Mounting Nut Torque . . . . . . 15 kgf cm (207.94 oz in) max.
Solderability . . . . . . . . . . . . . . . . . . . . . . . 235 C, 3 seconds
Marking . . . . . . . . . . . . . Model type, taper, resistance code,
shaft type, terminal identification, date code
Environmental
Temperature Range . . . . . . . . . . . . . . Y =
10 Cto
100 C
or X =
30 Cto
100 C
Temperature Characteristics . . . . . . . . . . .
85 C, 5 hours
without load
∆T/R ) 5%
Low Temperature Exposure . . . . . . .
10 C ( Y ),
30 C ( X )
1 hour without load
∆T/R ) 3%
Load Life . . . . . . . . . . . .
40 C, 1,000 hours with rated load
∆T/R ) 3%
Moisture and Load Life . . . . . . . . . . . .
40 C, 90-95%RH,
500 hours with 1/10 rated load
∆T/R ) 5%
Vibration . . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude,
2 directions, 2 hours each
∆T/R ) 1%
Soldering Heat Resistance . . . . . . . . . 350 C, 3.5 seconds;
260 C, 5 seconds (PCB units)
∆T/R ) 2%
Rotational Life . . . . 15,000 cycles (500 cycles for shaft lock
models only) with 1/2 rated load
∆T/R ) 3%
R = Total Resistance Value;
∆T/R = Total Resistance Change
RA20 Series
20mm Diameter, Single-Turn, Wirewound Industrial Panel Controls
TOCOS®
P ANEL CONTROLS
Features
20mm diameter, single-turn industrial panel controls
Wirewound element
Linear or audio tapers
Single or tandem units, single shaft
Metal shaft and bushing
Panel and PCB mounting styles
Shaft lock available
6mm diameter shafts in slot, flat or round end styles
Standard 10mm or 15mm shaft length
Lug or right angle mount pin terminals
Low operating temperature option of
10 C or
30 C, up to
100 C
Resistance (
Ω)
10
20
50
100
200
500
Resistance (
Ω)
1,000
2,000
5,000
10,000
20,000
Resolution ( % )
0.62
1.12
0.78
0.62
0.46
0.38
Resolution ( % )
0.44
0.35
0.25
0.18
0.14
RA20Y
RA20YP2


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