Features
  • Multifinger wiper for better contact resistance variation
  • Unique "T" slider block for excellent stability and setability
  • Chevron shaft for sealing and smooth consistant torque
  • IC style pins for easier board insertion
    		•  Spectrol 43P Series
    Trimmer - 3/4" rectangular, multiturn,
    cermet
    Photo of 43P Series Trimmer

    Spectrol No. NTE Part No. Value
    Ohms    		 Diag.
    No.
    43P-100 500-0001 10 T1
    43P-200 500-0002 20 T1
    43P-500 500-0003 50 T1
    43P-101 500-0004 100 T1
    43P-201 500-0005 200 T1
    43P-501 500-0006 500 T1
    43P-102 500-0007 1K T1
    43P-202 500-0008 2K T1
    43P-502 500-0009 5K T1
    43P-103 500-0010 10K T1
    43P-203 500-0011 20K T1
    43P-253 500-0012 25K T1
    43P-503 500-0013 50K T1
    43P-104 500-0014 100K T1
    43P-204 500-0015 200K T1
    43P-254 500-0016 250K T1
    43P-504 500-0017 500K T1
    43P-105 500-0018 1M T1
    43P-205 500-0019 2M T1
    Dimensional Drawing

    T1

    Schematic Diagram

    Specifications
    Electrical
    Effective Travel: 20 turns nom
    Resistance Range: 10 Ohms to 2 Meg Ohm
    Resistance Tolerance: ±10%
    End Resistance: 2 Ohms max
    Temperature Coefficient of Resistance:
          ±100ppm/°C. 100 Ohms to 2 Meg Ohms
          -100 to +200ppm/°C. 10 Ohms, 20 Ohms, 50 Ohms
    Power Rating: 3/4W @ +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: 1% or 1 Ohm, whichever is greater

    Mechanical
    Stop: Wiper idles against stops
    Starting Torque: 22.5mNm max
    Resistance Element: Cermet
    Setability: ±0.05% RT
    Rotation Life: 200 cycles min with max change of ±2% in total resistance

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

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