NTE Electronics 74X Series Catalog Page
Features
• Multifinger wiper for better contact resistance
• Fully sealed housing for immersion cleaning
• Small compact size
Spectrol 74X Series
Trimmer − 1/4” square, multiturn
cermet
T10
Shaft:.070 (1.78) Dia
Slot: .023 (0.58) x
.030 (0.76)
.250 (6.35)
.039 (1.0)
.039
(1.0)
Spectrol No. NTE Part No.
74X−100 500−0260 10 Side T10
74X−200 500−0261 20 Side T10
74X−500 500−0262 50 Side T10
74X−101 500−0263 100 Side T10
74X−201 500−0264 200 Side T10
74X−501 500−0265 500 Side T10
74X−102 500−0266 1K Side T10
74X−202 500−0267 2K Side T10
74X−502 500−0268 5K Side T10
74X−103 500−0269 10K Side T10
74X−203 500−0270 20K Side T10
74X−503 500−0271 50K Side T10
74X−104 500−0272 100K Side T10
74X−204 500−0273 200K Side T10
74X−504 500−0274 500K Side T10
74X−105 500−0275 1M Side T10
Value
(Ohms)
Adjust Diag No.
.250
(6.35)
.197 (5.0)
.100 (2.54)
.039
(1.0)
.100
(2.54)
123
.118 (3.0) Dia
.100 (2.54)
.047
(1.2)
.170
(4.32)
Wiper
2
1
Clockwise
Specifications
Electrical
Effective Travel: 12 turns nom
Resistance Range: 10Ω to 1 Meg Ω
Resistance Tolerance: ±10%
End Resistance: 2Ω max
Temperature Coefficient of Resistance: ±100 ppm/°C
Power Rating: 1/4 Watt @ 85°C derated to 0 Watts @ 125°C
Dielectric Withstanding Voltage: 600V AC
Insulation Resistance: 1000 Meg Ω min
Contact Resistance Variation: 3% or 3Ω, whichever is greater
Mechanical
Stop: Contact idles at stop
Operating Torque: 21.6mNm max
Resistance Element: Cermet
2−Terminal Adjustability: 0.05% of RT
3−Terminal Adjustability: 0.01% of applied voltage
Environmental
Operating Temperature: −55°C to +125°C
Electrical Endurance: 1000 hour
Mechanical Life: 200 cycles
3
NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com
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