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Bourns 91A1AG24D18L Single-Turn Panel Control
The Bourns 91A1A-G24-D18L is a versatile 5/8” square single-turn panel control designed for various industrial applications requiring precise electrical circuit isolation. Available with metal or plastic shaft options, this potentiometer offers a broad resistance range and linear/audio tapers to suit diverse control needs. It boasts robust mechanical strength, vibration resistance, and is compliant with RoHS directives, making it suitable for demanding environments and modern designs. Its features include a wide operating temperature range and high dielectric withstanding voltage, ensuring reliable performance in challenging conditions.
Bourns 91A1AG24D18L Single-Turn Panel Control Specifications:
- Standard Resistance Range: 1 K ohms to 1 megohm (Linear tapers B & E), 100 ohms to 1 megohm (Linear tapers A & H), 1 K ohms to 1 megohm (Audio tapers D,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 (Linear tapers) 1 watt, +70 °C Single Section Assembly (Audio tapers) 0.5 watt, +70 °C Multiple Section Assembly (Linear tapers) 0.5 watt/section, +70 °C Multiple Section Assembly (Audio tapers) 0.25 watt/section, +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 (Conductive Plastic Element), ±150 ppm/°C (Cermet Element)
- 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
- ESD Classification: N/A
- 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 91A1AG24D18L?
You can download the 91A1AG24D18L datasheet or visit the Bourns website for support.
Who is the manufacturer of 91A1AG24D18L?
Bourns