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Bourns 51AAAB28D15L Sealed Control Potentiometer
The Bourns 51AAA-B28-D15L is a sealed 1/2” square control potentiometer designed for demanding applications requiring precise control and environmental protection. It offers both linear and audio taper options, along with a range of resistance values. The sealed construction provides resistance to moisture and contaminants, making it suitable for use in harsh environments. Common applications include industrial equipment, automation systems, and audio control panels where reliability and durability are paramount. The potentiometer's robust mechanical design and electrical characteristics ensure consistent performance over its lifespan.
Bourns 51AAAB28D15L Sealed Control Potentiometer Specifications:
- Standard Resistance Range Linear: 1 K ohms to 1 megohm
- Standard Resistance Range Audio: 1 K ohms to 1 megohm
- Total Resistance Tolerance Linear Tapers: ±10 % or ±20 %
- Total Resistance Tolerance Audio Tapers: ±10 % or ±20 %
- Independent Linearity: ±5 %
- Absolute Minimum Resistance: 2 ohms maximum
- Effective Electrical Angle: 270 ° ±5 °
- Contact Resistance Variation: 2 %
- Dielectric Withstanding Voltage Sea Level: 1,500 VAC minimum
- Dielectric Withstanding Voltage 70000: 500 VAC minimum
- Insulation Resistance: 1,000 megohms minimum
- Power Rating At 70 °C Linear Tapers: 0.5 watt
- Power Rating At 70 °C Audio Tapers: 0.25 watt
- Theoretical Resolution: Essentially infinite
- Operating Temperature Range: +1 °C to +125 °C
- Storage Temperature Range: -55 °C to +125 °C
- Temperature Coefficient Over Storage Temperature Range: ±1,000 ppm/°C
- Vibration Single Section: 15 G
- Total Resistance Shift Vibration: ±2 % maximum
- Voltage Ratio Shift Vibration: ±5 % maximum
- Shock Single Section: 30 G
- Total Resistance Shift Shock: +2 % maximum
- Voltage Ratio Shift Shock: ±5 % maximum
- Load Life Total Resistance Shift: ±10 % TRS maximum
- Load Life Rotational Life: 50,000 cycles
- Contact Resistance Variation @ 25,000 Cycles: ±2 %
- Moisture Resistance Total Resistance Shift: ±10 % TRS
- IP Rating: IP 64
- Stop Strength: 56 N-cm (5 lb.-in.)
- Mechanical Angle: 290 ° ±5 °
- Starting Torque Dual Sections: +0.35 N-cm (+0.5 oz.-in.) maximum
- Running Torque Single Section: 0.15 to 1.4 N-cm (0.2 to 2.0 oz.-in.)
- Running Torque Dual Section: 0.35 to 1.8 N-cm (0.5 to 2.5 oz.-in.)
- Mounting Torque on Bushing: 1.7 to 2.0 N-m (15 to 18 lb.-in.) maximum
- Weight Single Section: 5.5 grams
- Weight Additional Section: 3.0 grams
- Terminals: PC pin or solder lug
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Frequently Asked Questions
Where can I buy Bourns 51AAAB28D15L?
You can click on the BUY or RFQ button to purchase 51AAAB28D15L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 51AAAB28D15L?
You can download the 51AAAB28D15L datasheet or visit the Bourns website for support.
Who is the manufacturer of 51AAAB28D15L?
Bourns