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4818P-2-121

4818P-2-121 Description

The 4818P-2-121 from Bourns Inc. is a high-performance 17-resistor bussed network in an 18-pin SOIC package, designed for precision surface-mount applications. With a 120-ohm resistance per element and a tight ±2% tolerance, this device ensures reliable signal conditioning and voltage division in compact circuits. Its ±100ppm/°C temperature coefficient guarantees stable performance across varying thermal conditions, while the 80mW power rating per resistor balances efficiency and durability. Encased in a 0.490" x 0.220" (12.45mm x 5.59mm) footprint and a low-profile 2.40mm height, it suits space-constrained designs. Compliant with REACH and MSL 1 (Unlimited), it’s ideal for automated assembly.

4818P-2-121 Features

• 17 bussed resistors in a single 18-pin package, reducing component count and PCB footprint.
• 120Ω ±2% tolerance for precise current limiting and impedance matching.
• Low TCR (±100ppm/°C) ensures minimal resistance drift under thermal stress.
• 80mW power dissipation per element for robust operation in analog/digital circuits.
• Compact SOIC package (12.45mm x 5.59mm) with 2.40mm profile, optimized for high-density layouts.
• MSL 1 (Unlimited) and tape & reel packaging, enabling seamless integration into pick-and-place processes.
• REACH and EAR99 compliant, meeting global environmental and export standards.

4818P-2-121 Applications

• Voltage dividers in sensor interfaces and ADC/DAC circuits.
• Pull-up/down networks for microcontroller I/O lines and bus termination.
• Signal conditioning in industrial automation and instrumentation.
• Consumer electronics, such as smart home devices, where space and reliability are critical.
• Automotive subsystems requiring stable resistance under thermal cycling.

Conclusion of 4818P-2-121

The 4818P-2-121 stands out for its integration density, precision, and thermal stability, making it a superior choice over discrete resistors in space-sensitive designs. Its bussed architecture simplifies layout, while Bourns’ quality assurance ensures long-term reliability. Ideal for high-volume, automated production, this resistor network is a versatile solution for modern electronics demanding compactness and performance.