SDR0302-391KL
Compact 390uH fixed inductors for power applications
Manufacturer： bourns
series introduction
# Introduction to the SDR0302 - 391KL Product Series
## Overview
The SDR0302 - 391KL product series represents a cutting - edge solution in the field of electronic components. Engineered with precision and innovation, this series is designed to meet the diverse and demanding requirements of modern electronic applications. Whether it's for consumer electronics, industrial automation, or telecommunications, the SDR0302 - 391KL series offers reliable performance and high - quality functionality.
## Physical Characteristics
### Dimensions
The SDR0302 - 391KL components are built with a compact form factor, following the 0302 size standard. This small size makes them ideal for use in space - constrained circuit boards, allowing for more efficient use of available space in electronic devices. The precise dimensions ensure compatibility with a wide range of pick - and - place machines during the manufacturing process, enabling seamless integration into mass - production lines.
### Packaging
The series is typically available in tape - and - reel packaging. This packaging method is well - suited for automated assembly processes, reducing the risk of component damage during handling and transportation. The tape - and - reel format also allows for easy storage and inventory management, ensuring that components are readily accessible when needed.
## Electrical Specifications
### Resistance Value
The "391" in the SDR0302 - 391KL model number indicates a resistance value. Using the standard resistor coding system, the resistance value is 390 ohms. This specific resistance value is carefully calibrated to provide accurate and stable electrical performance within the intended application.
### Tolerance
The components in this series offer a tight tolerance level, denoted by the "KL" in the model number. A low tolerance ensures that the actual resistance value of each component closely matches the specified value. This is crucial in applications where precise resistance values are required for proper circuit operation, such as in voltage dividers, signal conditioning circuits, and precision measurement systems.
### Power Rating
The SDR0302 - 391KL series is designed to handle a specific power rating. This power rating determines the maximum amount of power that the resistor can dissipate without overheating or experiencing performance degradation. The appropriate power rating is selected based on the expected electrical load in the application, ensuring reliable operation under normal and even some abnormal conditions.
## Performance Features
### Temperature Stability
One of the key performance features of the SDR0302 - 391KL series is its excellent temperature stability. The resistors are engineered to maintain a relatively constant resistance value over a wide range of operating temperatures. This is achieved through the use of high - quality materials and advanced manufacturing processes. Temperature stability is essential in applications where the operating environment may experience significant temperature variations, such as in automotive electronics or outdoor - installed equipment.
### Low Noise
The series exhibits low electrical noise characteristics. Noise in a resistor can introduce unwanted interference into a circuit, affecting the accuracy and reliability of the overall system. The SDR0302 - 391KL resistors are designed to minimize noise generation, making them suitable for use in sensitive electronic circuits, such as audio amplifiers, communication receivers, and medical devices.
### High Frequency Response
With the increasing demand for high - speed electronic systems, the SDR0302 - 391KL series offers good high - frequency response. The resistors are optimized to minimize parasitic effects, such as capacitance and inductance, which can degrade the performance of a circuit at high frequencies. This makes them well - suited for use in high - speed data transmission, radio frequency (RF) circuits, and other applications where high - frequency signals are involved.
## Applications
### Consumer Electronics
In consumer electronics, the SDR0302 - 3
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SRU2013 Series
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