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Bourns 51AAAB28A15L Sealed Control Potentiometer
The Bourns 51AAA-B28-A15L is a sealed 1/2” square control potentiometer designed for demanding applications requiring precise and reliable control. It offers both linear and audio taper options, along with PC board and bushing mount capabilities. The sealed construction protects against moisture and contaminants, making it ideal for harsh environments. This potentiometer is commonly used in industrial equipment, audio systems, and other applications where accurate and durable control is essential. It is RoHS compliant and features a robust mechanical design with a stop strength of 56 N-cm and a mechanical angle of 290° ±5°.
Bourns 51AAAB28A15L 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 51AAAB28A15L?
You can click on the BUY or RFQ button to purchase 51AAAB28A15L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 51AAAB28A15L?
You can download the 51AAAB28A15L datasheet or visit the Bourns website for support.
Who is the manufacturer of 51AAAB28A15L?
Bourns