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CRC3A4E121JT

CRC3A4E121JT Description

The CRC3A4E121JT from KYOCERA AVX is a high-performance 4-resistor array designed for surface-mount applications. Part of the CRC series, this 1206 (3216 Metric) convex package features long-side terminals for improved mechanical stability. With a compact footprint of 3.20mm x 1.60mm and a low profile of 0.60mm, it is optimized for space-constrained PCB designs. Each resistor in the array has a 120Ω resistance with a ±5% tolerance and a ±250ppm/°C temperature coefficient, ensuring stable performance across varying thermal conditions. The isolated circuit configuration allows independent resistor operation, enhancing design flexibility. Rated at 62.5mW per element, it is suitable for low-power applications.

CRC3A4E121JT Features

• 4 isolated resistors in a single 1206 package, reducing board space and assembly complexity.
• ±5% tolerance and ±250ppm/°C TCR for reliable performance in precision circuits.
• Convex, long-side terminal design improves solder joint reliability and mechanical stress resistance.
• Moisture Sensitivity Level (MSL) 1 ensures compatibility with standard reflow processes without baking requirements.
• REACH Unaffected and EAR99 ECCN compliant, facilitating global supply chain integration.
• Tape & Reel (TR) packaging for automated assembly efficiency.

CRC3A4E121JT Applications

This resistor array is ideal for:

• Signal conditioning in IoT sensors and communication modules, where space and reliability are critical.
• Voltage division in portable electronics, leveraging its low-profile design.
• Pull-up/pull-down networks in microcontroller and FPGA circuits, benefiting from isolated resistors.
• Industrial control systems, where ±250ppm/°C TCR ensures stability under thermal stress.
• Automotive electronics, thanks to its robust construction and moisture resistance.

Conclusion of CRC3A4E121JT

The CRC3A4E121JT offers a compact, high-reliability solution for applications demanding multiple resistors in minimal space. Its isolated design, stable TCR, and industry-standard packaging make it a versatile choice for consumer, industrial, and automotive electronics. While marked Obsolete, it remains a viable option for legacy designs or inventory-based procurement. Engineers should evaluate alternative KYOCERA AVX series for new designs while considering this model for specific use cases requiring its unique balance of performance and form factor.