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 64X Series Trimmer − 3/8” square, multiturn cermet T7 .060 (1.52) .375 (9.52) .064 (1.62) .188 (4.78) .395 (10.03) 3 2 1 .020 (0.51) x .012 (0.03) Typ .100 (2.54) .087 (2.2) Shaft:.078 (1.98) Dia Slot: .023 (0.58) x .030 (0.76) .190 (4.83) Spectrol No. NTE Part No. Value (Ohms) Adjust Diag No. 64X−100 500−0215 10 Side T7 64X−200 500−0216 20 Side T7 64X−500 500−0217 50 Side T7 64X−101 500−0218 100 Side T7 64X−201 500−0219 200 Side T7 64X−501 500−0220 500 Side T7 64X−102 500−0221 1K Side T7 Specifications 64X−202 500−0222 2K Side T7 Electrical 64X−502 500−0223 5K Side T7 64X−103 500−0224 10K Side T7 64X−203 500−0225 20K Side T7 64X−253 500−0226 25K Side T7 64X−503 500−0227 50K Side T7 64X−104 500−0228 100K Side T7 64X−204 500−0229 200K Side T7 64X−254 500−0230 250K Side T7 64X−504 500−0231 500K Side T7 64X−105 500−0232 1M Side T7 64X−205 500−0233 2M Side T7 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 NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com 17