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CRB3A4E121JT

CRB3A4E121JT Description

The CRB3A4E121JT from KYOCERA AVX is a high-performance 4-resistor array designed for precision surface-mount applications. This 1206 (3216 Metric) concave long-side terminal package features isolated resistors with a 120Ω resistance and a ±5% tolerance, ensuring reliable performance in compact circuits. With a ±250ppm/°C temperature coefficient and 62.5mW power rating per element, it balances stability and efficiency. The 0.028" (0.70mm) low-profile seated height and 3.20mm x 1.60mm footprint make it ideal for space-constrained designs. Packaged in Tape & Reel (TR), it supports automated assembly processes.

CRB3A4E121JT Features

• 4 isolated resistors in a single 1206 package, reducing board space and assembly complexity.
• Concave long-side terminals enhance solder joint reliability and mechanical stability.
• Low-profile (0.70mm) and compact (3.20mm x 1.60mm) design for high-density PCB layouts.
• ±5% tolerance and ±250ppm/°C TCR ensure consistent performance across temperature variations.
• 62.5mW power dissipation per resistor for robust operation in low-power circuits.
• MSL 1 (Unlimited) moisture sensitivity simplifies handling and storage.

CRB3A4E121JT Applications

• Consumer Electronics: Voltage division, pull-up/down networks in smartphones, tablets, and wearables.
• Industrial Controls: Signal conditioning and termination in PLCs and sensor interfaces.
• Automotive Electronics: ECU and infotainment systems requiring stable resistance networks.
• Telecom Equipment: Impedance matching and filtering in RF modules and baseboards.
• Medical Devices: Precision analog circuits where space and reliability are critical.

Conclusion of CRB3A4E121JT

The CRB3A4E121JT resistor array excels in applications demanding miniaturization, reliability, and thermal stability. Its isolated circuit design, concave terminals, and robust power handling distinguish it from conventional resistor networks. While marked Obsolete, it remains a viable choice for legacy designs or inventory-sensitive projects. Engineers valuing KYOCERA AVX's quality and compact performance will find this component a dependable solution for high-density electronic systems.