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Bourns 91A1AB24B18L Single-Turn Panel Control
The Bourns 91A1A-B24-B18L is a robust 5/8” square single-turn panel control designed for demanding industrial applications. It features a variety of pin-out configurations and shaft options, including metal or plastic shafts, and provides virtually infinite electrical circuit isolation. The potentiometer is RoHS compliant and offers a wide range of resistance values and tapers to suit diverse control needs. Its mechanical characteristics, including stop strength and torque, ensure reliable operation in harsh environments. This component is suitable for applications requiring precise control, durability, and long-term reliability.
Bourns 91A1AB24B18L 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: 1 watt (Linear), 0.5 watt (Audio), +125 °C: 0 watt
- 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, ±150 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)
- Contact Resistance Variation (50,000 cycles): ±2 % (Linear), ±3 % (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 91A1AB24B18L?
You can click on the BUY or RFQ button to purchase 91A1AB24B18L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 91A1AB24B18L?
You can download the 91A1AB24B18L datasheet or visit the Bourns website for support.
Who is the manufacturer of 91A1AB24B18L?
Bourns