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4308M-102-221

4308M-102-221 Description

The 4308M-102-221 from Bourns Inc. is a high-performance 4-resistor network designed for precision applications in electronic circuits. This through-hole-mounted array features 220Ω resistors with a tight ±2% tolerance, ensuring consistent performance across varying conditions. Its isolated circuit type allows independent resistor operation, making it versatile for complex designs. The device operates within a ±100ppm/°C temperature coefficient, with a resistor-ratio-drift of 50ppm/°C, ensuring stability in thermally dynamic environments. Packaged in a tube, the 4308M-102-221 is part of Bourns' 4300M series, known for reliability in industrial and consumer electronics.

4308M-102-221 Features

• 4 isolated resistors in an 8-pin SIP configuration, offering design flexibility.
• Compact footprint: Measures 0.784" x 0.085" (19.91mm x 2.16mm) with a 0.250" (6.35mm) height, ideal for space-constrained PCBs.
• High power handling: 400mW per element for robust performance in demanding circuits.
• Low drift: 50ppm/°C resistor-ratio-drift minimizes performance variance over temperature fluctuations.
• REACH compliant and EAR99/ECCN classified, suitable for global supply chains.
• Non-MSAL (Not Applicable) moisture sensitivity, simplifying storage and handling.

4308M-102-221 Applications

This resistor array excels in:

• Voltage division and current limiting in analog signal conditioning.
• Pull-up/pull-down networks for digital logic circuits (e.g., microcontrollers, FPGAs).
• Sensor interfacing, where stable resistance ratios are critical (e.g., bridge circuits).
• Industrial control systems requiring high tolerance to thermal and electrical stress.
• Consumer electronics, including audio equipment and power management modules.

Conclusion of 4308M-102-221

The 4308M-102-221 stands out for its precision, thermal stability, and compact design, making it a superior choice over generic resistor arrays. Its isolated configuration and low drift are particularly advantageous in precision analog and mixed-signal applications. Bourns' reputation for quality ensures reliability in mission-critical systems, from industrial automation to advanced consumer devices. For engineers seeking a balance of performance and durability, this model delivers exceptional value.