www.vishay.com

For technical questions, contact: sfer@vishay.com

Document Number: 50026

84

Revision: 24-Sep-08

RT25

Vishay Sfernice

Wirewound Rheostat/Potentiometer

For any special requirement on request: spindle flats, etc.

Please supply detailed drawing.

MARKING

SFERNICE trademark, series, style, power rating in watts, ohmic value (in

Ω or kΩ), tolerance (in %), maximum current in A,

manufacturing date

PARTICULAR CHARACTERISTICS

NOMINAL

RESISTANCE

Ω

MAX. SERVICE

VOLTAGE

V

MAX. CURRENT

THROUGH WIPER

mA

1

5

5000

1.5

6.12

4080

2.2

7.42

3370

3.3

9.08

2750

4.7

10.8

2300

6.8

13

1920

10

15.8

1580

15

19.4

1290

22

23.5

1070

33

28.7

870

47

34.3

730

68

41.2

605

100

50

500

150

61.2

408

220

74.2

337

330

90.8

275

470

108

230

680

130

192

1K

158

158

1.5K

194

129

2.2K

235

107

3.3K

287

87

4.7K

343

73

SPINDLES

Ø

mm

DISTANCE TO MOUNTING

PLATE mm

SCREW DRIVER

SLOT

CODE

6

22

WITH

ASF

25

WITHOUT

AM

WITH

AMF

50

WITHOUT

AL

6

22

WITHOUT

AS

DIAL CG57 (OPTION)

56

47

4 holes Ø 3.5

Ø 12

5

6

7

8

9

10

0

1

2

3

4

56

47

COMMAND SHAFT 29JF (OPTION)

18

Ø 7

Ø 43

21

ORDERING INFORMATION

VITREOUS

RT

25

L

ASF

2K2

10 %

B010

e

SERIES

STYLE

SPINDLE

LOCKING

DEVICE

Optional

VARIATION

LAW

SPECIAL

DESIGN

Method

N°

Optional

WINDING

Optional

SPINDLE

(Code)

for special

spindles

please

supply

detailed

drawing

OHMIC

VALUE

TOLERANCE

PACKAGING

LEAD

(Pb)-FREE

ACC

BOUTON

CADIAN

29JK

CG57

e

ACCESORIES

MODEL

TYPE

STYLE

LEAD (Pb)-FREE

SAP PART NUMBERING GUIDELINES

RT

025

ASF

2201

K

B

XXX

MODEL

STYLE

SPINDLE

OHMIC VALUE

TOLERANCE

PACKAGING

SPECIAL DESIGN

ACCRF

BOUTON

29JF

MODEL

TYPE

STYLE