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Bourns 91A2AB24D15D15L Single-Turn Panel Control
The Bourns 91A2A-B24-D15/D15L is a versatile 5/8" square single-turn panel control designed for a variety of industrial applications requiring precise electrical circuit isolation. Available with metal or plastic shaft options and a broad selection of resistance ranges, this potentiometer provides flexibility in design. It boasts robust mechanical and electrical characteristics, including high dielectric withstanding voltage and insulation resistance, ensuring reliable performance in demanding environments. The device is RoHS compliant, aligning with environmental regulations and promoting sustainable practices. Its compact size and ease of integration make it a suitable choice for panel mounting in various control systems.
Bourns 91A2AB24D15D15L Single-Turn Panel Control Specifications:
- Standard Resistance Range: 1 K ohms to 1 megohm (Linear Tapers A, B, E, & H), 100 ohms to 1 megohm (Linear Tapers A & H), 1 K ohms to 1 megohm (Audio Tapers C, D, F, G, S, & T), 1 K ohms to 1 megohm (Audio Tapers C & F)
- Total Resistance Tolerance: 10 % or 20 % (Cermet Element), 5% or 10% (Conductive Plastic Element)
- Independent Linearity: ±5 %
- Absolute Minimum Resistance: 2 ohms maximum
- Effective Electrical Angle: 240 ° ± 5 ° (Linear tapers), 225 ° ± 5 ° (Audio tapers)
- 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 tapers), 0.5 watt (Audio tapers), +70 °C Multiple Section Assembly: 0.5 watt/section (Linear tapers), 0.25 watt/section (Audio tapers), +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 (Linear tapers), ±150 ppm/°C (Audio tapers)
- Vibration: 15 G
- Total Resistance Shift (Vibration): ±2 % maximum
- Voltage Ratio Shift (Vibration): ±5 % maximum
- Shock: 30 G
- Total Resistance Shift (Shock): ±2 % maximum
- Voltage Ratio Shift (Shock): ±5 % maximum
- Load Life: 1,000 hours
- Total Resistance Shift (Load Life): ±10 % maximum (Linear tapers), ±5 % maximum (All tapers)
- Rotational Life: 100,000 cycles
- Total Resistance Shift (Rotational Life): (Linear tapers) 10 ohms or ±15 % TRS max, (Audio tapers) ±20 % maximum
- Contact Resistance Variation (50,000 cycles): ±2 % (Linear tapers), ±3 % (Audio tapers)
- Moisture Resistance: (Linear tapers) ±10 % TRS maximum, (All tapers) ±5 % TRS maximum, (Audio tapers) ±20 % TRS maximum
- Insulation Resistance (Moisture Resistance): 100 megohms minimum
- IP Rating: IP 40
- Moisture Sensitivity Level: 1
- Stop Strength: 45.19 N-cm (4 lb.-in.) (1/4 ” D shaft), 33.89 N-cm (3 lb.-in.) (1/8 ” D shaft)
- Mechanical Angle: 300 ° ±5 °
- Torque Starting: 0.3 max. above average running torque
- Running Torque: 0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.) (Single or Dual Section, A & R Bushings), 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.) (Single or Dual Section, C & U Bushings)
- Mounting Torque: 1.7-2.0 N-m (15-18 lb.-in.) maximum
- Mounting Variation: 0.35 N-cm (0.5 oz.-in.) maximum
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Frequently Asked Questions
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How do I troubleshoot issues or seek technical support for part 91A2AB24D15D15L?
You can download the 91A2AB24D15D15L datasheet or visit the Bourns website for support.
Who is the manufacturer of 91A2AB24D15D15L?
Bourns