Spectrol 64W Series

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

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

64W-202 500-0199 2K Top T6

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

Dimensional Drawing

Schematic Diagram

Specifications
Electrical
Effective Travel: 25 turns nom
Resistance Range: 10 Ohms to 2 Meg Ohm
Resistance Tolerance: ±10%
End Resistance: Less than 2 Ohms
Temperature Coefficient of Resistance:
      100ppm/°C. 100 Ohms to 2 Meg Ohms
      0 to +250ppm/°C. below 100 Ohms
Power Rating: 1/2W @ +70°C derated to 0W @ +125°C
Dielectric Withstanding Voltage:
      1000V AC at sea level
      250V AC at 80,000 feet (24,400 meters)
Insulation Resistance: 1000 Meg Ohms min
Contract Resistance Variation: 2% or 20 Ohms, whichever is greater

Mechanical
Stop: Contact idles at stop
Operating Torque: 3mNm nom
Resistance Element: Cermet
2-Terminal Adjustability: 0.05% RT
3-Terminal Adjustability: 0.01% of applied voltage

Environmental
Operating Temperature: -55° to +125°C
Electrical Endurance: 1000 hr.
Mechanical Life: 200 cycles

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