Bourns, Inc. Tariff Inquiry

4309R-101-103LF

4309R-101-103LF Description

The 4309R-101-103LF from Bourns Inc. is an 8-resistor bussed network array housed in a compact 9-pin SIP (Single In-line Package). Designed for through-hole mounting, it offers a resistance value of 10kΩ per element with a tight tolerance of ±2% and a low temperature coefficient of ±100ppm/°C, ensuring stable performance across varying thermal conditions. The array operates at 200mW power per resistor and features a 50ppm/°C resistor-ratio drift, making it suitable for precision applications. Its ROHS3 compliance and REACH Affected status align with modern environmental standards, while its Not Applicable MSL rating simplifies handling and storage.

4309R-101-103LF Features

• High-Density Integration: Combines 8 resistors in a space-saving 0.884" x 0.085" (22.45mm x 2.16mm) footprint, ideal for PCB designs with constrained layouts.
• Robust Performance: ±100ppm/°C TCR and ±2% tolerance ensure accuracy in analog signal conditioning and voltage division.
• Bussed Circuit Design: Simplifies connections in pull-up/pull-down networks, reducing wiring complexity.
• Durable Construction: Through-hole mounting provides mechanical stability for industrial environments.
• Wide Compatibility: Part of Bourns' 4300R series, known for reliability in harsh conditions.

4309R-101-103LF Applications

This resistor network excels in:

• Analog Signal Processing: Voltage dividers, DAC/ADC interfaces.
• Industrial Control Systems: PLCs, sensor calibration circuits.
• Consumer Electronics: Audio equipment, power management.
• Automotive Electronics: ECU signal conditioning (non-safety-critical).
• Test & Measurement: Precision reference networks.

Conclusion of 4309R-101-103LF

The 4309R-101-103LF stands out for its precision, compactness, and bussed architecture, offering engineers a reliable solution for space-constrained, high-accuracy designs. Its low TCR, robust power handling, and environmental compliance make it a versatile choice for industrial, automotive, and consumer applications. Bourns' reputation for quality ensures long-term performance, making this array a cost-effective alternative to discrete resistors.