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Bourns 91A1AB28B10L Single-Turn Panel Control
The Bourns 91A1A-B28-B10L is a 5/8” square single-turn panel control designed for precise and reliable control in a variety of industrial applications. It offers virtually infinite electrical circuit isolation, available in metal or plastic shaft options, and a wide range of resistance tapers to suit diverse needs. The potentiometer is RoHS compliant and features a robust mechanical design capable of withstanding vibration, shock, and temperature variations. Its versatility and durability make it suitable for applications requiring precise adjustment and long-term reliability.
Bourns 91A1AB28B10L 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
- Vibration: 15 G
- Shock: 30 G
- Load Life: 1,000 hours
- Rotational Life: 100,000 cycles
- Moisture Sensitivity Level: 1
- ESD Classification: N/A
- 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)
- Mounting Torque: 1.7-2.0 N-m (15-18 lb.-in.) maximum
- Variation: 0.35 N-cm (0.5 oz.-in.) maximum
- Weight: Single Section, Metal Bushing
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Frequently Asked Questions
Where can I buy Bourns 91A1AB28B10L?
You can click on the BUY or RFQ button to purchase 91A1AB28B10L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 91A1AB28B10L?
You can download the 91A1AB28B10L datasheet or visit the Bourns website for support.
Who is the manufacturer of 91A1AB28B10L?
Bourns