Features • • • • • Multifinger precious metal wiper for long term set point stability Central pivot locating gear for improved stability Unique ratchet device integral with gear to ensure long term reliability Double chevron shaft for sealing plus consistant torque and reliable adjustability IC style pins for easier board insertion Spectrol 64Y Series Trimmer − 3/8” square, multiturn cermet T8 .375 (9.52) .064 (1.62) .060 (1.52) Shaft:.078 (1.98) Dia Slot: .023 (0.58) x .030 (0.76) .395 (10.03) .188 (4.78) 3 2 1 .020 (0.51) x .012 (0.03) Typ .087 (2.2) .100 (2.54) .100 (2.54) .190 (4.83) Spectrol No. NTE Part No. Value (Ohms) Adjust Diag No. 64Y−100 500−0240 10 Top T8 64Y−200 500−0241 20 Top T8 64Y−500 500−0242 50 Top T8 64Y−101 500−0243 100 Top T8 64Y−201 500−0244 200 Top T8 64Y−501 500−0245 500 Top T8 64Y−102 500−0246 1K Top T8 Specifications 64Y−202 500−0247 2K Top T8 Electrical 64Y−502 500−0248 5K Top T8 64Y−103 500−0249 10K Top T8 64Y−203 500−0250 20K Top T8 64Y−253 500−0251 25K Top T8 64Y−503 500−0252 50K Top T8 64Y−104 500−0253 100K Top T8 64Y−204 500−0254 200K Top T8 64Y−254 500−0255 250K Top T8 64Y−504 500−0256 500K Top T8 64Y−105 500−0257 1M Top T8 64Y−205 500−0258 2M Top T8 Effective Travel: 25 turns nom Resistance Range: 10Ω to 2 Meg Ω Resistance Tolerance: ±10% End Resistance: Less than 2Ω Temperature Coefficient of Resistance: 100 ppm/°C. 100Ω thru 2 Meg Ω 0 to +250 ppm/°C. below 100Ω Power Rating: 1/2 Watt @ 70°C derated to 0 Watts @ 125°C Dielectric Withstanding Voltage: 1000V AC at sea level 250V AC at 80,000 feet (24,400 meters) Insulation Resistance: 1000 Meg Ω min Contact Resistance Variation: 2% or 20Ω, whichever is greater .045 (1.14) 2 1 Wiper 3 Clockwise Mechanical Stop: Contact idles at stop Operating Torque: 3mNm nom 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 18 NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com