Spectrol 535 Series

Spectrol
Features
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•
•
•
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Permanickel contact
Stainless steel 1/4” diameter shaft
Gold plated terminals
Internal tracking surfaces gold plated
Precision winding with excellent linearity
535 Series
Potentiometer − 1.5 Watt, 7/8” round
case, 1/4” dia. shaft, 5 turn, precision
wirewound
P12
.750
(19.05)
L
.200 (5.08)
Min
1
3
2
.625 (15.88) R Max
30°
.312 (7.92)
.062
(1.57)
.2497
(6.34)
3/8−32 UNEF−2A
2
Wiper
1
Spectrol No.
NTE Part No.
Value
(Ohms)
Shaft
Length
Diag
No.
535−1−1−101
502−0145
100
7/8”
P12
535−1−1−201
502−0146
200
7/8”
P12
535−1−1−501
502−0147
500
7/8”
P12
535−1−1−102
502−0148
1K
7/8”
P12
535−1−1−202
502−0149
2K
7/8”
P12
535−1−1−502
502−0150
5K
7/8”
P12
535−1−1−103
502−0151
10K
7/8”
P12
535−1−1−203
502−0152
20K
7/8”
P12
535−1−1−503
502−0153
50K
7/8”
P12
Resistance Element Data
Max Current
@ 70°C
Ambient
(mA)
Max
Voltage
Across Coil
(Volts)
.0746
122.00
12.2
.061
.1220
86.60
17.3
500
.049
.2459
54.70
27.4
1K
.041
.4113
38.70
38.7
2K
.031
.6331
27.40
54.8
5K
.034
1.7230
17.30
86.6
10K
.030
3.0160
12.20
122.0
20K
.020
3.9910
8.66
173.0
50K
.015
7.4560
5.47
274.0
Resistance
Value
(Ohms)
Resolution
(%)
100
.075
200
40
Ohms
per Turn
.875 (22.22)
Dia
3
Clockwise
L = Shaft Length (See Table)
Specifications
Electrical
Resistance Range: 50 Ω to 50K Ω
Resistance Tolerance: ±5%
Linearity (independent): ±0.25%
Noise: 100 Ω ENR
Rotation: 1800° +10°, −0°
Power Rating: 1.5 Watt @ 70°C derated to 0 Watts @ 125°C
Insulation Resistance: 1000 Meg Ω min, 500VDC
Dielectric Strength: 1000V RMS min 50Hz
Absolute Minimum Resistance: Not to exceed linearity x total
resistance or 1Ω, whichever is greater
Temperature Coefficient of Resistance: 20ppm/°C (wire only)
End Voltage: 0.25% of total applied voltage, max
Mechanical
Bearing Type Bushing: Sleeve bearing
Resistance Element: See Table
Rotation: 1800° +10°, −0°
Starting Torque (maximum): 50 gm−cms (0.7 oz in)
Stop Strength (static): 5.4 Kgm−cm (75 oz in)
Rotation Life: 500,000 shaft revolutions
Environmental
Operating Temperature: −55°C to +125°C
Load Life: 900 hr.
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com