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Bourns 3299P1253 Square Trimmer Potentiometer
The Bourns 3299P-1-253 is a precision trimming potentiometer designed for a wide range of industrial applications requiring fine adjustment of resistance. Featuring a 3/8" square format and multiturn capability, this potentiometer provides high resolution and stability. It operates effectively within a temperature range of -55°C to +125°C and is available in RoHS compliant versions, making it suitable for environmentally conscious designs. The potentiometer's robust construction and sealed design ensure reliable performance in harsh environments, making it ideal for applications such as motor control, sensor calibration, and precision instrumentation.
Bourns 3299P1253 Square Trimmer Potentiometer Specifications:
- Standard Resistance Range: 10 to 2 megohms
- Resistance Tolerance: ±10 %
- Absolute Minimum Resistance: 1 % or 2 ohms max.
- Contact Resistance Variation: 1.0 % or 3 ohms max.
- Adjustability Voltage: ±0.01 %
- Adjustability Resistance: ±0.05 %
- Adjustability Resolution: Infinite
- Insulation Resistance: 500 vdc. 1,000 megohms min.
- Dielectric Strength: 900 vac (Sea Level), 350 vac (70,000 Feet)
- Effective Travel: 25 turns nom.
- Power Rating: 0.5 watt (70 °C)
- Temperature Range: -55 °C to +125 °C
- Temperature Coefficient: ±100 ppm/°C
- Seal Test: 85 °C Fluorinert Humidity
- Vibration: 20 G (1 % ΔTR; 1 % ΔVR)
- Shock: 100 G (1 % ΔTR; 1 % ΔVR)
- Load Life: 1,000 hours 0.5 watt @ 70 °C
- Rotational Life: 200 cycles
- Torque: 3.0 oz-in. max.
- Mechanical Stops: Wiper idles
- Terminals: Solderable pins
- Weight: 0.035 oz.
- Marking: Manufacturer’s trademark, resistance code, wiring diagram, date code, manufacturer’s model number and style
- Wiper: 50 % (Actual TR) ±10 %
- Flammability: U.L. 94V-0
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Frequently Asked Questions
Where can I buy Bourns 3299P1253?
You can click on the BUY or RFQ button to purchase 3299P1253 from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 3299P1253?
You can download the 3299P1253 datasheet or visit the Bourns website for support.
Who is the manufacturer of 3299P1253?
Bourns