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Bourns 51AADB28A15L Sealed Control Potentiometer
The Bourns 51AAD-B28-A15L is a sealed 1/2” square control potentiometer designed for demanding applications requiring precise and reliable control. This potentiometer offers both linear and audio taper options, catering to a wide range of user interfaces and system requirements. Its sealed construction protects against moisture and contaminants, making it ideal for harsh environments. The robust mechanical design, including a metal bushing and shaft, ensures durability and long-term performance. Common applications include industrial equipment, automation systems, and audio control panels where a sealed, reliable potentiometer is essential.
Bourns 51AADB28A15L 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 25000 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 51AADB28A15L?
You can click on the BUY or RFQ button to purchase 51AADB28A15L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 51AADB28A15L?
You can download the 51AADB28A15L datasheet or visit the Bourns website for support.
Who is the manufacturer of 51AADB28A15L?
Bourns