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CRC3A4E221JT

CRC3A4E221JT Description

The CRC3A4E221JT from KYOCERA AVX is a high-performance, surface-mount resistor network designed for precision applications in compact electronic assemblies. This obsolete but reliable component belongs to the CRC series, featuring four isolated 220Ω resistors with a ±5% tolerance and a low ±250ppm/°C temperature coefficient. Encased in a 1206 (3216 Metric) convex package with long-side terminals, it offers a compact footprint of 3.20mm x 1.60mm and a low-profile height of 0.60mm, making it ideal for space-constrained designs. Rated at 62.5mW per element, it ensures stable performance in moderate-power circuits. The device is compliant with EAR99 and REACH Unaffected standards, with moisture sensitivity level MSL 1 (Unlimited), ensuring robustness in diverse environments.

CRC3A4E221JT Features

• 4 isolated 220Ω resistors in a single package, reducing board space and assembly complexity.
• 1206 convex package with long-side terminals for improved mechanical stability and solder joint reliability.
• ±5% tolerance and ±250ppm/°C TCR for consistent performance across temperature variations.
• 62.5mW power rating per resistor, suitable for signal conditioning and low-power applications.
• Surface-mount design (3216 Metric) with a 0.60mm profile, enabling use in thin, high-density PCBs.
• Tape & Reel (TR) packaging for automated assembly efficiency.
• Obsolete status but retains value in legacy designs or replacements due to its proven reliability.

CRC3A4E221JT Applications

This resistor network excels in applications requiring precision resistance matching and space savings, such as:

• Signal termination and pull-up/down circuits in digital systems (e.g., microcontrollers, FPGAs).
• Voltage division and current limiting in sensor interfaces and analog signal chains.
• Consumer electronics, including portable devices, where compactness and reliability are critical.
• Industrial control systems benefiting from its stable performance under varying temperatures.
• Legacy equipment maintenance, where direct replacements for obsolete designs are needed.

Conclusion of CRC3A4E221JT

The CRC3A4E221JT is a versatile, space-efficient resistor network offering balanced performance in tolerance, power handling, and thermal stability. While marked obsolete, its convex 1206 package and isolated resistor configuration make it a pragmatic choice for designs prioritizing footprint optimization and repeatable performance. Engineers seeking a cost-effective, proven solution for low-power analog or digital circuits will find this component a reliable option, particularly in legacy or space-sensitive applications.