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4309R-101-273LF

4309R-101-273LF Description

The 4309R-101-273LF from Bourns Inc. is a high-performance 8-resistor bussed network housed in a compact 9-pin SIP (Single In-line Package). Designed for precision applications, this 27kΩ array features a tight ±2% tolerance and a low ±100ppm/°C temperature coefficient, ensuring stable performance across varying environmental conditions. With a 200mW power rating per element, it delivers reliable power handling in densely packed circuits. The 4300R series component is RoHS3 compliant and REACH affected, adhering to stringent environmental standards. Its through-hole mounting and tube packaging facilitate easy integration into industrial and commercial PCB designs.

4309R-101-273LF Features

• 8 bussed resistors in a single package, reducing component count and PCB footprint.
• 27kΩ resistance with ±2% tolerance for precision signal conditioning.
• Low TCR (±100ppm/°C) and 50ppm/°C resistor-ratio drift, ideal for temperature-sensitive applications.
• 200mW power dissipation per resistor, ensuring durability in high-load scenarios.
• Compact dimensions (22.45mm x 2.16mm) and 4.95mm height, suitable for space-constrained designs.
• Through-hole SIP package for robust mechanical attachment.
• RoHS3 compliant and MSL Not Applicable, simplifying storage and handling.

4309R-101-273LF Applications

This resistor network excels in:

• Voltage division and pull-up/pull-down circuits in microcontrollers and logic systems.
• Sensor signal conditioning, particularly in automotive and industrial sensors requiring stable resistance ratios.
• Power supply buffering and current limiting in embedded systems.
• Analog-to-digital converter (ADC) interfaces, where consistent resistance values are critical.
• Legacy equipment repairs, thanks to its through-hole design and industry-standard SIP footprint.

Conclusion of 4309R-101-273LF

The 4309R-101-273LF combines precision, compactness, and reliability, making it a standout choice for engineers seeking high-density resistor networks with low thermal drift. Its bussed configuration simplifies circuit design, while Bourns' quality assurance ensures long-term performance. Ideal for industrial, automotive, and consumer electronics, this model balances cost-effectiveness with technical rigor, outperforming discrete resistors in space and efficiency-critical applications.