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Bourns 53AAAB28A10L Sealed Square Control
The Bourns 53AAA-B28-A10L is a sealed 1/2” square control potentiometer designed for demanding industrial environments. It utilizes either conductive plastic or cermet materials for the resistive element, offering both linear and audio taper options. The potentiometer features a robust mechanical design with a metal bushing and shaft, and is sealed to withstand board washing. Its versatility is enhanced by its ability to be gangable and its suitability for both PC board and bushing mounting. The Bourns 53AAA-B28-A10L is ideal for applications requiring precise control and reliable performance in harsh conditions.
Bourns 53AAAB28A10L Sealed Square Control 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 inf nite
- 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
- Rotational Life (No Load): 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: 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 53AAAB28A10L?
You can click on the BUY or RFQ button to purchase 53AAAB28A10L from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 53AAAB28A10L?
You can download the 53AAAB28A10L datasheet or visit the Bourns website for support.
Who is the manufacturer of 53AAAB28A10L?
Bourns