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 64W Series Trimmer − 3/8” square, multiturn cermet T6 .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) .190 (4.83) Spectrol No. NTE Part No. Value (Ohms) Adjust Diag No. 64W−100 500−0192 10 Top T6 64W−200 500−0193 20 Top T6 64W−500 500−0194 50 Top T6 64W−101 500−0195 100 Top T6 64W−201 500−0196 200 Top T6 64W−501 500−0197 500 Top T6 64W−102 500−0198 1K Top T6 Specifications 64W−202 500−0199 2K Top T6 Electrical 64W−502 500−0200 5K Top T6 64W−103 500−0201 10K Top T6 64W−203 500−0202 20K Top T6 64W−253 500−0203 25K Top T6 64W−503 500−0204 50K Top T6 64W−104 500−0205 100K Top T6 64W−204 500−0206 200K Top T6 64W−254 500−0207 250K Top T6 64W−504 500−0208 500K Top T6 64W−105 500−0209 1M Top T6 64W−205 500−0210 2M Top T6 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 .095 (2.41) 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 16 NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com