# MODEL 22 - 3 mm Single Turn Sealed Surface Mount Cermet Trimming Potentiometer

## Electrical Specifications

️· Resistance Range: 10 Ohms to 2 Megohms
️· Resistance Tolerance: ±20%
️· Maximum Input Voltage: 200 Vdc or rms (not exceeding power rating)
️· Power Rating: 0.125W @ 70°C (derating to 0W @ 125°C)
️· End Resistance: 1% or 3 Ohms (whichever is greater)
️· Electrical Travel: 220° nominal
️· Dielectric Strength: 500 V rms
️· Insulation Resistance: Minimum 100 Megohms
️· Resolution: Essentially infinite
️· Contact Resistance Variation: 3% or 3 Ohms (whichever is greater)
️· Temperature Coefficient of Resistance: ±100 ppm/°C (±150 ppm/°C for resistances < 100 Ohms)

## Mechanical Specifications

️· Mechanical Stop: Solid
️· Static Stop Strength: 1.3 in. oz.
️· Maximum Torque: 0.65 in. oz.
️· Nominal Weight: 0.002 oz.
️· Wiper Position: Approximately 50%

## Environmental Specifications

️· Seal: 85°C Fluorinert®
️· Operating Temperature Range: -55°C to +125°C
️· Thermal Shock: 5 cycles, -55°C to +125°C (2% ∆R, 1% ∆V Ratio max.)
️· Moisture Resistance: 3% ∆R
️· Shock: 100G’s (1% ∆R, 1% ∆V Ratio max.)
️· Vibration: 1% ∆R, 1% ∆V Ratio max.
️· High Temperature Exposure: 2% ∆R, 2% ∆V Ratio max.
️· Rotational Life: 3% ∆R
️· Load Life: 3% ∆R, 2% ∆V Ratio max.
️· Resistance to Solder Heat: 260°C for 5 seconds

## Ordering Information & Packaging

️· Models Available: 22A (J Hook), 22S (Side Mount)
️· Tape & Reel (22A): 12mm Tape Width, 4mm Sprocket Pitch, 7-inch Reel, 1000 Units
️· Tape & Reel (22S): 16mm Tape Width, 4mm Sprocket Pitch, 7-inch Reel, 200 Units
️· Standard Resistance Values: 10, 20, 200, 2K, 20K, 200K, 2 Megohms and others.



Outline Drawing
Refer to drawings for Model 22A and 22S.

Circuit Diagram
Refer to circuit diagram.