70Y502 Datasheet, PDF (1/3 Pages) Vishay Siliconix – 1 - 1/4 Rectangular Multi-Turn Cermet

70
Vishay Spectrol
1 - 1/4” Rectangular
Multi-Turn Cermet
FEATURES
∑ Improved Wiper
∑ Unique “T” Slider Block Design Assure Excellent Setability
and Stability
∑ CRV of 3% or 3W
∑ Temperature coefficient of 100 ppm/°C
∑ RT Tolerance ± 10% STD (± 5% Available)
DIMENSIONS in inches (millimeters)
MTG. HOLES
0.093 Ø (2.36)
± 0.010
0.025
(0.63)
± 0.010
1.250
(31.75)
± 0.010
0.070
(1.78) _{± 0.010}
0.105
(2.67)
1.000
(25.40)
± 0.015
0.135
(343)
± 0.010
0.125
(3.18)
± 0.010
0.190
(4.83)
± 0.015
0.315
(8.00)
± 0.030
0.500
(12.70)
± 0.003
0.028 Ø .TYP
(0.71)
± 0.010
0.050
(1.27)
0.63 (1.60)
MAXIMUM MENISCUS
#30 AWG LEADS INSULATED 6”
(152.40 MIN. LENGTH
± 0.010 ± 0.010
0.050 0.700
(1.27) (17.28)
± 0.010
0.100
(2.54)
0.030
(0.76)
± 0.010
0.300
(7.62) _{ADJUSTMENT SCREW}
0.110 (2.79) Ø
HEAD SLOT
± 0.015 0.025 (0.64) WIDE X
0.260 0.030 (0.76) DEEP
(6.60)
ELECTRICAL SPECIFICATIONS
Resistance Range
Standard Resistance Tolerance
End Resistance
Actual Effective Electrical Travel
Contact Resistance Variation
Dielectric Withstanding Voltage
Insulation Resistance
Power Rating
Temperature coefficient of resistance
10W thru 2MW
10% (para. 3.7.1)
2% maximum (para. 3.7.2)
20 turns nominal (para. 3.8)
3% or 3W, whichever is greater (para. 3.9)
1000 VAC at sea level, 350 VAC at 80.000 feet
(para. 3.10) 24.400 meters)
1000MW (para. 3.11)
1.0 watt at 85°C derated linearly to zero watts at 150°C (para. 3.5)
maximum voltage not to exceed 400 volts
± 100ppm/°C 100W to 2MW
- 100 to 200ppm/°C 10W, 20W and 50W
www.vishay.com
84
For technical questions, contact: [e-mail]
Document Number: 57076
Revision: 05-Aug-04