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Bourns 91A1AB28A22L Single-Turn Panel Control
The Bourns 91A1A-B28-A22L is a versatile 5/8” square single-turn panel control designed for a variety of industrial applications. It provides virtually infinite electrical circuit isolation and is available with metal or plastic shaft options. This potentiometer offers a broad resistance range, linear and audio tapers, and robust environmental performance, making it suitable for demanding environments. Its compact size and ease of integration make it a valuable component in control systems and instrumentation.
Bourns 91A1AB28A22L Single-Turn Panel Control Specifications:
- Standard Resistance Range: 1 K ohms to 1 megohm (Linear), 100 ohms to 1 megohm (Linear), 1 K ohms to 1 megohm (Audio)
- Total Resistance Tolerance: 10 % or 20 %
- Independent Linearity: ±5 %
- Absolute Minimum Resistance: 2 ohms maximum
- Effective Electrical Angle: 240 ° ± 5 ° (Linear), 225 ° ± 5 ° (Audio)
- Contact Resistance Variation: ±1 % or 3 ohms (whichever is greater)
- Dielectric Withstanding Voltage: 1,500 VAC minimum (Sea Level), 500 VAC minimum (70,000 Feet)
- Insulation Resistance: 1,000 megohms minimum
- Power Rating: +70 °C Single Section Assembly: 1 watt (Linear), 0.5 watt (Audio), +70 °C Multiple Section Assembly: 0.5 watt/section (Linear), 0.25 watt/section (Audio)
- Theoretical Resolution: Essentially infinite
- Operating Temperature Range: -40 °C to +125 °C
- Storage Temperature Range: -55 °C to +125 °C
- Temperature Coefficient: ±1,000 ppm/°C
- Vibration: 15 G
- Shock: 30 G
- Load Life: 1,000 hours
- Rotational Life: 100,000 cycles
- Moisture Resistance: ±10 % TRS maximum (Linear), ±5 % TRS maximum (Audio)
- IP Rating: IP 40
- Moisture Sensitivity Level: 1
- Stop Strength: 45.19 N-cm (1/4” D shaft), 33.89 N-cm (1/8” D shaft)
- Mechanical Angle: 300 ° ±5 °
- Torque Starting: 0.3 max.
- Running Torque: 0.21 to 1.06 N-cm (A & R Bushings), 0.14 to 1.06 N-cm (C & U Bushings)
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Frequently Asked Questions
Where can I buy Bourns 91A1AB28A22L?
You can click on the BUY or RFQ button to purchase 91A1AB28A22L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 91A1AB28A22L?
You can download the 91A1AB28A22L datasheet or visit the Bourns website for support.
Who is the manufacturer of 91A1AB28A22L?
Bourns