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RA25YPR20SB103A503101F

Description
25mm Diameter, Single-Turn,Wirewound Industrial Panel Controls
File Size545KB,4 Pages
ManufacturerTOCOS America, Inc.
Websitehttps://tocos.com/
Download Datasheet View All

RA25YPR20SB103A503101F Overview

25mm Diameter, Single-Turn,Wirewound Industrial Panel Controls

RA25
Series
TOCOS
PA N E L C O N T R O L S
®
25mm Diameter, Single-Turn, Wirewound Industrial Panel Controls
RA25Y
RA25YG
RA25YPR
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
Specifications
Electrical
Standard Resistance Range
. . . . . . . . . . . B = 5Ω to 20kΩ
A,C = 100Ω to 5kΩ
Resistance Tolerance
. . . . . . . . . . . . . . . . . 10% standard
( 5%, 2% or 1% special order )
End Resistance
. . . . . . . . . . . . . . . . . . R
!
500Ω = 1Ω max.
R
0
500Ω = 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
. . . . . . . 100MΩ minimum at 500VDC
Dielectric Strength
. . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Theoretical Resolution
Resistance (
)
5
10
20
50
100
200
Resolution ( % )
1.93
1.32
0.85
0.62
0.45
0.38
Resistance (
)
500
1,000
2,000
5,000
10,000
Resolution ( % )
0.29
0.19
0.26
0.19
0.15
Environmental
Temperature Range
. . . . . . . . . . . . . . Y =
or X =
10 C to
30 C to
100 C
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
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
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
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