SRR1240-4R7M BOURNS Inductors Coils Filters

Review BOURNS 22dc 68 Pieces

The Bourns SRR1240-4R7M 22DC 68 is a high-performance, adjustable current, shunt resistor designed for use in a wide range of industrial and power electronic applications. This resistor is specifically designed to provide accurate and reliable current sensing in DC power circuits, making it an excellent choice for applications such as solar inverters, uninterruptible power supplies (UPS), battery chargers, and other power conversion systems.

The Bourns SRR1240-4R7M 22DC 68 features a low TCR (Temperature Coefficient of Resistance) of 150 ppm/ C, ensuring precise and stable current sensing over a wide temperature range. It has a maximum power rating of 22W and a resistance value of 4.7 at 25 C, making it suitable for currents up to 12.5A (assuming a maximum voltage of 17V). The resistor is also RoHS compliant, ensuring that it meets the latest environmental regulations.

One of the key features of this resistor is its adjustability. The Bourns SRR1240-4R7M 22DC 68 comes with a built-in trimmer potentiometer, which allows users to fine-tune the resistance value to meet their specific application requirements. The trimmer potentiometer can be adjusted using a screwdriver, providing easy and convenient calibration.

The resistor is also designed with a robust construction, featuring a high-quality ceramic body and thick, gold-plated terminals. This ensures that the resistor can withstand the rigors of industrial applications, including high temperatures, vibration, and harsh environments. The terminals are also designed to provide excellent electrical contact, ensuring reliable and stable current sensing.

In summary, the Bourns SRR1240-4R7M 22DC 68 is a high-performance, adjustable current, shunt resistor designed for use in a wide range of industrial and power electronic applications. Its low TCR, adjustability, robust construction, and high power rating make it an excellent choice for applications such as solar inverters, uninterruptible power supplies (UPS), battery chargers, and other power conversion systems.

The Bourns SSR1240-4R7M 22DC 68 is a variable resistor, specifically a Trim Potentiometer, which is commonly used for adjusting and calibrating electronic circuits. Let's discuss the potential pros and cons of purchasing this component.

1. High Precision: This trim potentiometer offers a maximum resistance tolerance of 1%, ensuring accurate adjustments in sensitive electronic circuits.

2. Stable Resistance Value: The temperature coefficient is specified at 22 ppm/ C, which means the resistance value remains relatively constant over a wide temperature range.

3. Robust Design: The Bourns SSR1240 series is known for its durability and long-term reliability due to the use of a metal film resistive element and a robust shaft design.

4. Wide Operating Temperature: The operating temperature range is from -55 C to 125 C, making it suitable for various applications in different environments.

5. Easy to Use: The component has a rotary design, making it easy to use for manual adjustments.

1. Manual Adjustment: Since it is a trim potentiometer, adjustments must be made manually, which can be time-consuming and labor-intensive for large-scale applications.

2. Sensitivity to Vibration: Due to its small size and rotary design, the trim potentiometer may be sensitive to mechanical vibrations, which can affect the accuracy of the resistance value.

3. Limited Power Handling: This component is not designed for high power applications, with a maximum power rating of 0.25W.

In conclusion, the Bourns SSR1240-4R7M 22DC 68 trim potentiometer is an excellent choice for applications requiring high precision and stability in resistance value, particularly in environments with a wide temperature range. However, it may not be the best option for applications that require automatic adjustments, large-scale production, or high power handling.

If your application requires high precision, stability, and a manual adjustment, the Bourns SSR1240-4R7M 22DC 68 trim potentiometer would be a suitable choice. However, if you need automatic adjustments, large-scale production, or high power handling, you may want to consider alternative solutions, such as programmable potentiometers or motorized potentiometers.

Details:

With its specific model number and detailed specifications, this indicator is ideal for use in a wide range of electronic equipment supplies. The Bourns SRR1240-4R7M 22dc r is a high-quality indicator designed for electronic circuits. Whether for industrial or commercial purposes, these indicators provide consistent performance and durability your electronic projects.

specifications electroinduct:

• brand: Bourns
• mpn: Srr1240-4r7m
• part type: Coil Filter

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• category: Business & Industrial > Electronic Semiconductors > Passive Components > Inductors, Coils Filters

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• started: june 8, 2026
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