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Bourns 3299X1204LF Square Trimmer Potentiometer

The Bourns 3299X-1-204LF is a precision trimmer potentiometer designed for a wide range of industrial and commercial applications requiring fine resistance adjustments. This 3/8" square cermet potentiometer offers a resistance range from 10 to 2 megohms, with a resolution of infinite adjustment. It's sealed construction and wide temperature range (-55°C to +125°C) ensure reliable performance in demanding environments. Available in RoHS compliant versions, the 3299X-1-204LF is a versatile solution for trimming and calibration tasks.

Authorized Distributors
Source:DigiKey
Part No:3299X-1-204LF
Stock:298
Inv Date:05-28-2026
Price: Unit price: $2.87
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Part No:3299X-1-204LF
Stock:0
Inv Date:05-29-2026
Price: Unit price: $2.87
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Part No:3299X-1-204LF
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.87
Buy/RFQ:
Part No:3299X-1-204LF
Stock:300
Inv Date:05-28-2026
Price: Unit price: $1.6
Buy/RFQ:
Part No:3299X-1-204LF
Stock:300
Inv Date:05-28-2026
Price: Unit price: $1.6
Buy/RFQ:

Bourns 3299X1204LF 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: MIL-STD-202 Method 103 96 hours (2 % ΔTR, 10 Megohms IR)
  • Vibration: 20 G (1 % ΔTR; 1 % ΔVR)
  • Shock: 100 G (1 % ΔTR; 1 % ΔVR)
  • Load Life: 1,000 hours 0.5 watt @ 70 °C (3 % ΔTR)
  • Rotational Life: 200 cycles (4 % ΔTR)
  • 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
  • Standard Packaging: 50 pcs. per tube

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Frequently Asked Questions

Where can I buy Bourns 3299X1204LF?

You can click on the BUY or RFQ button to purchase 3299X1204LF from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 3299X1204LF?

You can download the 3299X1204LF datasheet or visit the Bourns website for support.

Who is the manufacturer of 3299X1204LF?

Bourns

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