Document Number: 57073

Revision 16-Jul-03

www.vishay.com

112

Model 830, 860

Vishay Spectrol

For technical questions, contact sfer@vishay.com

POWER RATING CHART

ENVIRONMENTAL SPECIFICATIONS

Vibration

10g thru 500 CPS

Shock

50g

Rotational Life

500,000 shaft revolution

Load Life

900 Hours

Temperature Range

- 55

°C to + 125°C

Moisture Resistant

–

Salt Spray

48 hours

Unit

Units will be marked with Spectrol name and

Identification

model no, resistance and resistance

tolerance, linearity, terminal identification,

and date code

MARKING

1 - 13/16” (46mm) Three and Ten Turn Wirewound

Precision Potentiometer

MATERIAL SPECIFICATIONS

Bushing

Aluminum, nickel plated

Housing and Front Lid

Molded glass filled thermoset

plastic

Rear Lid

Molded glass filled nylon

Shaft

Stainless steel, non magnetic,

non-passivated

Terminals

Brass, plated for solderability

Mounting Hardware

Lock washer:

Internal tooth Steel, nickel plated

Panel nut:

Brass, nickel plated

MAXIMUM

MAXIMUM

STANDARD

CURRENT

VOLTAGE

WIRE

RESISTANCE RESO-

OHMS

AT 70

ACROSS

TEMP.

VALUES

LUTION

PER

AMBIENT

COIL

COEF.

(

(%)

TURN

(mA)

(V)

(ppm/

MODEL 860

20

0.044

0.009

632

13

800

50

0.027

0.014

400

20

800

100

0.024

0.024

283

28

800

200

0.028

0.056

200

40

180

500

0.023

0.115

126

63

20

1K

0.018

0.182

89

89

20

2K

0.020

0.402

63

126

110

5K

0.015

0.754

40

200

20

10K

0.013

1.23

28

283

20

20K

0.010

1.97

20

400

20

50K

0.007

3.69

13

632

20

100K

0.007

6.51

8.9

894

20

200K

0.005

9.63

5.0

1,000

20

500K

0.004

20.0

2.0

1,000

20

MODEL 830

20

0.094

0.019

387

8

800

50

0.074

0.037

245

12

800

100

0.071

0.071

173

17

180

200

0.072

0.145

122

25

20

500

0.064

0.320

77

39

110

1K

0.050

0.500

55

55

110

2K

0.047

0.948

39

77

20

5K

0.035

1.73

24

125

20

10K

0.029

2.92

17

176

20

20K

0.024

4.80

12

250

20

50K

0.017

8.31

8

375

20

100K

0.015

14.5

5

600

20

150K

0.013

20.0

4

750

20

RESISTANCE ELEMENT DATA

0

20

40

60

80

100

120

140

AMBIENT TEMPERATURE IN (

0

2

4

6

8

10

12

860

830