RA25 Tokyo Cosmos Electric Co., Ltd, RA25 Datasheet
RA25
Manufacturer Part Number
RA25
Description
25mm Diameter, Single-turn,wirewound Industrial Panel Controls
Manufacturer
Tokyo Cosmos Electric Co., Ltd
Datasheet
1.RA25.pdf
(4 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RA25Y
Manufacturer:
TOCOS
Quantity:
20 000
Company:
Part Number:
RA25Y-20S
Manufacturer:
TOCOS
Quantity:
20 000
Company:
Part Number:
RA25Y20S
Manufacturer:
TOCOS
Quantity:
20 000
Company:
Part Number:
RA25Y20S10K
Manufacturer:
TOCOS
Quantity:
20 000
Features
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . B = 5Ω to 20kΩ
Resistance Tolerance . . . . . . . . . . . . . . . . .
End Resistance . . . . . . . . . . . . . . . . . . R ! 500Ω = 1Ω max.
Resistance Taper . . . . B = linear; A = CW audio (logarithm);
Power Rating . . . . . B = 1.2 watts; A,C = 0.6 watt, at
Insulation Resistance . . . . . . . 100MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Theoretical Resolution
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Shaft Torque
Stop Strength . . . . . . . . . . . . 10.2 kgf
Mounting Nut Torque . . . . . . 15 kgf
Solderability . . . . . . . . . . . . . . . . . . . . . . . 235 C, 3 seconds
Marking . . . . . . . . . . Taper, resistance, resistance tolerance,
1177 East Tower Road, Schaumburg, IL 60173
Resistance ( Ω )
C = CCW audio (logarithm); RA25YPR model is linear only.
Single Unit . . . . . . 71.4 to 306 gf
Tandem Unit . . . 71.4 to 714 gf
Dual Unit . . . . . . 71.4 to 459 gf
RA25
100
200
Single and tandem units, single shaft; dual unit, dual shaft
Panel mounting styles only
10
20
50
5
25mm Diameter, Single-Turn, Wirewound Industrial Panel Controls
Standard 15mm or 20mm shaft length
RA25Y
25mm diameter, single-turn industrial panel controls
Resolution ( % )
1.93
1.32
0.85
0.62
0.45
0.38
( 5%, 2% or 1% special order )
terminal identification, date code
Series
Resistance ( Ω )
•
•
10,000
cm (0.987 to 9.899 oz
cm (0.987 to 6.363 oz
•
1,000
2,000
5,000
cm (0.99 to 4.242 oz
•
Right angle ear-lug terminals
500
R 0 500Ω = 0.2% max.
–
cm (207.94 oz
•
cm (141.4 oz
A,C = 100Ω to 5kΩ
Tel: 847-884-6664
10% standard
Resolution ( % )
TOCOS
Low operating temperature option of
0.29
0.19
0.26
0.19
0.15
•
•
–
in) max.
in) max.
40 C
•
•
•
in)
in)
in)
5
AMERICA, INC.
Fax: 847-884-6665
Environmental
Temperature Range . . . . . . . . . . . . . . Y =
Temperature Characteristics . . . . . . . . . . . 85 C, 5 hours
Low Temperature Exposure . . . . . . .
Load Life . . . . . . . . . . . .
Moisture and Load Life . . . . . . . . . . . . 40 C, 90-95%RH,
Vibration . . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude,
Soldering Heat Resistance . . . . . . . . . 350 C, 3.5 seconds;
Rotational Life . . . . 15,000 cycles (500 cycles for shaft lock
R = Total Resistance Value; ∆T/R = Total Resistance Change
Metal shaft and bushing
RA25YG
Wirewound element
6mm diameter shafts in slot, flat or round end styles
E-mail: sales@tocos.com
TOCOS
RA25YPR
P A N E L C O N T R O L S
10 C or
Linear or audio tapers
40 C, 1,000 hours with rated load
models only) with 1/2 rated load
Shaft lock models available
500 hours with 1/10 rated load
30 C, up to 100 C
2 directions, 2 hours each
or X =
10 C ( Y ),
1 hour without load
30 C to 100 C
10 C to 100 C
www.tocos.com
∆T/R ) 5%
∆T/R ) 3%
∆T/R ) 3%
∆T/R ) 5%
∆T/R ) 2%
∆T/R ) 3%
∆T/R ) 1%
without load
30 C ( X )
®
57
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RA25 Summary of contents
Page 1
... End Resistance . . . . . . . . . . . . . . . . . . R ! 500Ω = 1Ω max 500Ω = 0.2% max. Resistance Taper . . . . B = linear audio (logarithm CCW audio (logarithm); RA25YPR model is linear only. Power Rating . . . . . B = 1.2 watts; A,C = 0.6 watt, at Insulation Resistance . . . . . . . 100MΩ minimum at 500VDC Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute Theoretical Resolution Resistance ( Ω ...
Page 2
... RA25 Series RA25Y & RA25X Panel Mount, Single Unit, Single Shaft Right Angle Ear-Lug Terminals RA25YL & RA25XL Panel Mount, Single Unit, Single Shaft with Shaft Lock Right Angle Ear-Lug Terminals RA25YPR Panel Mount, Single Unit, Single Knurled Shaft with Push-Lock ...
Page 3
... RA25 Series RA25YG Panel Mount, Ganged Tandem Unit, Single Shaft Right Angle Ear-Lug Terminals on Each Unit RA25YGL Panel Mount, Ganged Tandem Unit, Single Shaft with Shaft Lock Right Angle Ear-Lug Terminals on Each Unit RA25YD Panel Mount, Dual Unit, Dual Concentric Shaft ...
Page 4
... Examples: B103A503 or if both units are the same: B103X2 Resistance Taper Linear. Shaft End Style Slotted Flatted Round (RA25YPR model has knurled end style.) For Single Shaft: Specify the shaft length (FMS) and shaft end style as shown. For Dual Concentric Shaft: ...