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RA25XGL20FB103A503100F Datasheet(PDF) 1 Page - TOCOSAMERICA, INC.

Part # RA25XGL20FB103A503100F
Description  25mm 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.

RA25XGL20FB103A503100F 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
57
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . B = 5
Ω to 20kΩ
A,C = 100
Ω to 5kΩ
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); RA25YPR model is linear only.
Power Rating . . . . . B = 1.2 watts; A,C = 0.6 watt, at
40 C
Insulation Resistance . . . . . . . 100M
Ω minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Theoretical Resolution
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 300
5
Shaft Torque
Single Unit . . . . . . 71.4 to 306 gf cm (0.99 to 4.242 oz in)
Tandem Unit . . . 71.4 to 714 gf cm (0.987 to 9.899 oz in)
Dual Unit . . . . . . 71.4 to 459 gf cm (0.987 to 6.363 oz in)
Stop Strength . . . . . . . . . . . . 10.2 kgf cm (141.4 oz in) max.
Mounting Nut Torque . . . . . . 15 kgf cm (207.94 oz in) max.
Solderability . . . . . . . . . . . . . . . . . . . . . . . 235 C, 3 seconds
Marking . . . . . . . . . . Taper, resistance, resistance tolerance,
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;
∆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
RA25 Series
25mm Diameter, Single-Turn, Wirewound Industrial Panel Controls
TOCOS®
P ANEL CONTROLS
Features
25mm diameter, single-turn industrial panel controls
Wirewound element
Linear or audio tapers
Single and tandem units, single shaft; dual unit, dual shaft
Metal shaft and bushing
Shaft lock models available
Panel mounting styles only
Right angle ear-lug terminals
6mm diameter shafts in slot, flat or round end styles
Standard 15mm or 20mm shaft length
Low operating temperature option of
10 C or
30 C, up to
100 C
Resistance (
Ω)
5
10
20
50
100
200
Resistance (
Ω)
500
1,000
2,000
5,000
10,000
Resolution ( % )
1.93
1.32
0.85
0.62
0.45
0.38
Resolution ( % )
0.29
0.19
0.26
0.19
0.15
RA25Y
RA25YG
RA25YPR


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