Features
• Permanickel contact
• Stainless steel 1/4” diameter shaft
• Gold plated terminals
• Internal tracking surfaces gold plated
• Precision winding with excellent linearity
Spectrol 533 Series
Potentiometer − 1.5 Watt, 7/8” round
case, 1/4” dia. shaft, 3 turn, precision
wirewound
Spectrol No. NTE Part No.
533−1−1−101 502−0130 100 7/8” P12
533−1−1−201 502−0131 200 7/8” P12
533−1−1−501 502−0132 500 7/8” P12
533−1−1−102 502−0133 1K 7/8” P12
533−1−1−202 502−0134 2K 7/8” P12
533−1−1−502 502−0135 5K 7/8” P12
533−1−1−103 502−0136 10K 7/8” P12
533−1−1−203 502−0137 20K 7/8” P12
Value
(Ohms)
Shaft
Length
Resistance Element Data
Resistance
Value
(Ohms)
100 .111 .1114 100.00 10.0
200 .097 .1954 70.70 14.1
500 .069 .3424 44.70 22.4
1K .063 .6331 31.60 31.6
2K .041 .8206 22.40 44.7
5K .044 2.2330 14.10 70.7
10K .034 3.4510 10.00 100.0
20K .031 6.1790 7.07 141.0
Resolution
(%)
Ohms
per Turn
Max Current
@ 70°C
Ambient
(mA)
Across Coil
Diag
No.
Max
Voltage
(Volts)
P12
(19.05)
.200 (5.08)
Min
123
1
.312 (7.92)
2
Clockwise
.062
(1.57)
Wiper
3
L.750
3/8−32 UNEF−2A
.625 (15.88) R Max
30°
.2497
(6.34)
.875 (22.22)
Dia
L = Shaft Length (See Table)
Specifications
Electrical
Resistance Range: 50 Ω to 20K Ω
Resistance Tolerance: ±5%
Linearity (independent): ±0.25%
Noise: 100 Ω ENR
Rotation: 1080° +10°, −0°
Power Rating: 1 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: 1080° +10°, −0°
Starting Torque (maximum): 50 gm−cms (0.7 oz in)
Stop Strength (static): 5.4 Kgm−cm (75 oz in)
Rotation Life: 300,000 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
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