Data Sheet

63
www.vishay.com
Vishay Spectrol
Revision: 27-Sep-11
2
Document Number: 57027
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
ELECTRICAL SPECIFICATIONS
Effective travel 270° nominal
Resistance range 100  to 2 M
Resistance tolerance ± 10 %
End resistance 2  or 1 % whichever is greater
Temperature coefficient of resistance (typical) ± 100 ppm/°C
Power rating
0.5 W at + 70 °C derated linearly to 0 W at 125 °C
maximum voltage not to exceed 250 V
Circuit diagram
Dielectric withstand voltage 1000 V
AC
at sea level; 250 V
AC
at 80 000 ft (24 000 m)
Insulation resistance (500 V
DC
) 1000 M minimum
Contact resistance variation 1 % or 1  , whichever is greater
MECHANICAL SPECIFICATIONS
Mechanical travel 300° ± 50
Starting torque 35 mNm max.
Weight 0.03 oz. (0.85 g) max.
Resistance element Cermet
2 terminal adjustability ± 0.15 % of RT
3 terminal adjustability ± 0.05 % of applied voltage
Terminals Pure Sn (code e3)
ENVIRONMENTAL SPECIFICATIONS
Temperature range - 55 °C to + 125 °C
Climatic category 55/125/21
Sealing Fully sealed - IP67
PERFORMANCES
TESTS CONDITIONS
MAX.
(R)
CHANGE PER CECC
PER IEC PER MIL
V
AB
/V
AC
41100
Vibration 98 m/s
2
, 10 Hz to 500 Hz 1 % 2 % (PARA 2.3.2) Test FC (IEC 6-2-6) Method 204
Electrical endurance 1000 h 3 % - (PARA 2.5.16) - No equiv.
Soldering - - - (PARA 2.3.7) Test TB (IEC 68-2-20) Method 208
Resistance to heat - 1 % - (PARA 2.3.7) Test B (IEC 68-2-20A) Method 210
Damp heat steady state 21 days 3 % - (PARA 2.1) Test C (IEC 68-2-3) Method 103
Mechanical life 200 cycles 3 % - - Method 2 -
Terminal strength 2.2 lbs. (1 kg) min. - - - -
MARKING
• Vishay trademark
•Model
• Resistance value
• Tolerance
• Date code
• Terminal identification
a
c
b
cw
(2)
(3)
(1)