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Bourns 91A1AB28B12L Single-Turn Panel Control
The Bourns 91A1A-B28-B12L is a versatile 5/8" square single-turn panel control designed for a variety of industrial applications requiring precise resistance adjustment. Available with conductive plastic or cermet elements, it offers a broad resistance range and linear/audio tapers to suit diverse circuit needs. Its robust construction, including options for metal or plastic shafts, ensures durability and reliable performance in demanding environments. The potentiometer's RoHS compliance aligns with environmental regulations, making it suitable for modern designs. Typical applications include industrial equipment, instrumentation, and control systems where accurate and stable resistance is critical.
Bourns 91A1AB28B12L Single-Turn Panel Control Specifications:
- Standard Resistance Range: 1 K ohms to 1 megohm
- Total Resistance Tolerance: 10 % or 20 %
- Independent Linearity: ±5 %
- Absolute Minimum Resistance: 2 ohms maximum
- Efective Electrical Angle: 240 ° ± 5 ° (Linear tapers)
- Contact Resistance Variation: ±1 %
- Dielectric Withstanding Voltage: 1,500 VAC minimum (Sea Level)
- Insulation Resistance: 1,000 megohms minimum
- Power Rating: +70 °C Single Section Assembly: 1 watt (Linear tapers)
- Theoretical Resolution: Essentially infinite
- Operating Temperature Range: -40 °C to +125 °C
- Storage Temperature Range: -55 °C to +125 °C
- Vibration: 15 G
- Shock: 30 G
- Load Life: 1,000 hours
- Rotational Life: 100,000 cycles
- Moisture Resistance: ±5 % TRS maximum
- Insulation Resistance (500 VDC): 100 megohms minimum
- IP Rating: IP 40
- Moisture Sensitivity Level: 1
- Stop Strength (1/4” D shaft): 45.19 N-cm (4 lb.-in.)
- Stop Strength (1/8” D shaft): 33.89 N-cm (3 lb.-in.)
- Mechanical Angle: 300 ° ±5 °
- Torque Starting: 0.3 max.
- Running Torque: 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
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Frequently Asked Questions
Where can I buy Bourns 91A1AB28B12L?
You can click on the BUY or RFQ button to purchase 91A1AB28B12L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 91A1AB28B12L?
You can download the 91A1AB28B12L datasheet or visit the Bourns website for support.
Who is the manufacturer of 91A1AB28B12L?
Bourns