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Bourns 3290H1203 3/8 Square Trimmer Potentiometer
The Bourns 3290H-1-203 is a versatile 3/8" square trimmer potentiometer engineered for demanding industrial applications. Its multiturn design allows for fine and precise adjustments, while the sealed construction ensures reliable operation in harsh environments. Meeting MIL-R-27208 and MIL-R-39015 standards, this potentiometer is ideal for applications requiring high reliability and accuracy. It is RoHS compliant and offers a wide range of resistance values to suit diverse circuit designs. Panel mount option is available.
Bourns 3290H1203 3/8 Square Trimmer Potentiometer Specifications:
- Standard Resistance Range: 10 to 50K ohms
- Resistance Tolerance: ±5 %
- Absolute Minimum Resistance: 0.1 % or 1 ohm max.
- Noise: 100 ohms ENR max.
- Resolution: see standard resistance table
- Insulation Resistance: 500 vdc. 1,000 megohms min.
- Dielectric Strength Sea Level: 1,000 vac
- Dielectric Strength 80,000 Feet: 350 vac
- Adjustment Travel: 25 turns nom.
- Power Rating @ 85 °C: 1.0 watt
- Power Rating @ 150 °C: 0 watt
- Temperature Range: -65 °C to +150 °C
- Temperature Coefficient: ±50 ppm/°C
- Seal Test: 85 °C Fluorinert Humidity MIL-STD-202 Method 106 96 hours (2 % ΔTR; 100 Megohms IR)
- Vibration: 30 G (1 % ΔTR; 0.5 % + resolution ΔVR)
- Shock: 100 G (1 % ΔTR; 0.5 % + resolution ΔVR)
- Load Life: 1,000 hours 1.0 watt @ 85 °C (2 % ΔTR; 500 ohms ENR)
- Rotational Life: 200 cycles (2 % ΔTR; 500 ohms ENR)
- Torque: 5.0 oz-in. max.
- Mechanical Stops: Wiper idles
- Terminals: Solderable printed circuit pins
- Weight: 0.025 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
- Adjustment Tool: H-90
- Resistance Code: see standard resistance table
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Frequently Asked Questions
Where can I buy Bourns 3290H1203?
You can click on the BUY or RFQ button to purchase 3290H1203 from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part 3290H1203?
You can download the 3290H1203 datasheet or visit the Bourns website for support.
Who is the manufacturer of 3290H1203?
Bourns