Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

Same Sky PTN091 10K Rotary Potentiometer

Details

  • Location: Cabinet-2, Bin 8, Section B
  • Category: Passive Components
  • Brand: Same Sky (formerly CUI Devices)
  • Part Number: PTN091-V10115K1B
  • Model: PTN091
  • Resistance: 10kΩ
  • Quantity: 20 units
  • Status: Available
  • Price Range: $1.50-2.00 per unit
  • Product URL: DigiKey - PTN091-V10115K1B

Description

The Same Sky PTN091 is a standard 9.5mm vertical rotary potentiometer with a 10K ohm linear taper. It features a 15mm knurled shaft for comfortable manual adjustment and is designed for through-hole PCB mounting. This is a reliable, general-purpose potentiometer suitable for volume controls, sensor calibration, parameter adjustment, and other applications requiring variable resistance.

Specifications

Electrical Characteristics

  • Resistance: 10kΩ
  • Tolerance: ±20% (typical)
  • Taper: Linear
  • Power Rating: 0.5W (typical)
  • Voltage Rating: 250V (typical)
  • Temperature Coefficient: ±500ppm/°C (typical)
  • Noise: <1µV/V (typical)

Mechanical Characteristics

  • Package: Through-Hole
  • Diameter: 9.5mm
  • Orientation: Vertical
  • Shaft Type: Knurled
  • Shaft Length: 15mm
  • Shaft Diameter: 6mm
  • Rotation: 270° (typical)
  • Operating Torque: 2-10 mN⋅m
  • Life: 100,000+ cycles
  • Operating Temperature: -40°C to +85°C

Pin Configuration

  • Pin 1: Wiper (output)
  • Pin 2: One end of resistive element
  • Pin 3: Other end of resistive element

Applications

  • Volume controls
  • Brightness/contrast adjustment
  • Sensor calibration and tuning
  • Parameter adjustment in circuits
  • User interface controls
  • Analog signal conditioning
  • Prototyping and breadboard projects

Circuit Examples

Basic Voltage Divider

Connect between supply voltage and ground, with wiper providing adjustable output voltage:

  • Pin 2: +5V (or supply voltage)
  • Pin 3: Ground
  • Pin 1: Adjustable output (0V to +5V)

Sensor Calibration

Use as a trimmer to calibrate sensor readings or adjust circuit parameters during setup.

Technical Notes

  • Linear taper provides proportional resistance change across rotation
  • Knurled shaft provides good grip and tactile feedback
  • 270° rotation allows for fine adjustment control
  • Suitable for both manual and motorized adjustment applications
  • RoHS compliant
  • Standard through-hole leads for easy PCB mounting

Tags

potentiometer, rotary, 10k, through-hole, knurled-shaft, linear-taper, digikey, cabinet-2, bin-8, status-available

Notes

Versatile general-purpose potentiometer suitable for a wide range of applications. The 10K resistance value is one of the most commonly used in electronics. Stock of 20 units provides good supply for multiple projects or prototyping work.