RA25YG20SB103A503101K datasheet, PDF

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RA25YG20SB103A503101K: Description25mm diameter, single-turn,wirewound industrial panel controls; File Size545KB，4 Pages; ManufacturerTOCOS America, Inc.; Websitehttps://tocos.com/

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RA25YG20SB103A503101K Overview

25mm diameter, single-turn,wirewound industrial panel controls

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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.

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 (

Ω

)

100

200

Resolution ( % )

1.93

1.32

0.85

0.62

0.45

0.38

Resistance (

Ω

)

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

Temperature Characteristics

. . . . . . . . . . .

85 C, 5 hours

without load

∆T/R

)

Low Temperature Exposure

. . . . . . .

10 C ( Y ), 30 C ( X )

1 hour without load

∆T/R

)

Load Life

. . . . . . . . . . . .

40 C, 1,000 hours with rated load

∆T/R

)

Moisture and Load Life

. . . . . . . . . . . . 40 C, 90-95%RH,

500 hours with 1/10 rated load

∆T/R

)

Vibration

. . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude,

2 directions, 2 hours each

∆T/R

)

Soldering Heat Resistance

. . . . . . . . . 350 C, 3.5 seconds;

∆T/R

)

Rotational Life

. . . . 15,000 cycles (500 cycles for shaft lock

models only) with 1/2 rated load

∆T/R

)

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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