Spectrol Features • • • Multifinger wiper for better contact resistance Fully sealed housing for immersion cleaning Small compact size 74X Series Trimmer − 1/4” square, multiturn cermet T10 Shaft:.070 (1.78) Dia Slot: .023 (0.58) x .030 (0.76) .039 (1.0) .250 (6.35) .039 (1.0) .250 (6.35) .047 (1.2) .118 (3.0) Dia .197 (5.0) 1 2 3 .100 (2.54) Spectrol No. NTE Part No. Value (Ohms) Adjust Diag 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 .039 (1.0) .100 (2.54) .170 (4.32) 2 .100 (2.54) Wiper 1 3 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 NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com 21