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4309R-101-393LF

4309R-101-393LF Description

The 4309R-101-393LF from Bourns Inc. is a high-performance 8-resistor bussed network designed for precision applications in electronic circuits. This through-hole-mounted array features a compact 9-pin SIP (Single In-Line Package) with a 39kΩ resistance per element and a tight ±2% tolerance, ensuring reliable signal conditioning and voltage division. Its ±100ppm/°C temperature coefficient and 50ppm/°C resistor-ratio drift provide exceptional stability across varying environmental conditions. The device operates at 200mW power per element and is housed in a robust tube package, making it suitable for industrial and commercial use.

4309R-101-393LF Features

• Bussed Circuit Configuration: Simplifies PCB layout by connecting resistors in a common-node arrangement.
• High Power Handling: 200mW per resistor ensures durability in demanding applications.
• Low Drift & Stable Performance: ±100ppm/°C TCR and 50ppm/°C ratio drift minimize resistance variations with temperature fluctuations.
• Compact Footprint: 0.884" x 0.085" (22.45mm x 2.16mm) dimensions save board space while supporting high-density designs.
• Compliance: ROHS3 and REACH compliant, meeting global environmental standards.
• Wide Operating Range: Not MSL-rated, making it ideal for non-moisture-sensitive environments.

4309R-101-393LF Applications

This resistor network excels in:

• Voltage Dividers: Precision attenuation in sensor interfaces and ADC circuits.
• Pull-Up/Pull-Down Networks: Signal integrity enhancement in digital systems (e.g., microcontrollers, FPGAs).
• Industrial Controls: Stable performance in PLCs, motor drives, and power supplies.
• Automotive Electronics: Reliable operation in infotainment and ECU modules due to low drift.
• Test & Measurement Equipment: Calibration and reference circuits requiring tight tolerance.

Conclusion of 4309R-101-393LF

The 4309R-101-393LF stands out for its precision, compact design, and robust performance, making it a superior choice for engineers seeking reliability in bussed resistor networks. Its low thermal drift, high power rating, and compliance with environmental standards cater to advanced applications across automotive, industrial, and consumer electronics. Bourns' reputation for quality further ensures this component meets stringent industry demands.