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CRB3A4E391JT

CRB3A4E391JT Description

The CRB3A4E391JT from KYOCERA AVX is a 4-resistor array designed for surface-mount applications, offering a compact and efficient solution for circuit design. This 1206 (3216 Metric) concave package features long-side terminals, ensuring reliable solder joints and mechanical stability. With a resistance value of 390Ω per element and a ±5% tolerance, it provides consistent performance in precision circuits. The device operates within a ±250ppm/°C temperature coefficient, making it suitable for environments with moderate thermal fluctuations. Rated at 62.5mW power per element, it balances power handling and space savings. The isolated circuit type allows for flexible configurations, while its REACH Unaffected and EAR99 ECCN compliance ensures global usability.

CRB3A4E391JT Features

• Compact Design: Measures 0.126" x 0.063" (3.20mm x 1.60mm) with a low profile of 0.028" (0.70mm), ideal for high-density PCBs.
• High Reliability: Moisture Sensitivity Level (MSL) 1 (Unlimited) ensures robustness during storage and assembly.
• Concave Package: Enhances solder joint integrity and reduces tombstoning risks.
• Wide Compatibility: Compatible with tape & reel (TR) packaging for automated assembly processes.
• Stable Performance: ±250ppm/°C temperature coefficient ensures minimal resistance drift.

CRB3A4E391JT Applications

This resistor array excels in:

• Signal Conditioning: Precision voltage dividers and pull-up/pull-down networks in IoT devices.
• Consumer Electronics: Used in smartphones, tablets, and wearables for space-constrained designs.
• Industrial Controls: Reliable performance in sensor interfaces and motor drivers.
• Automotive Systems: Suitable for infotainment and ECU modules due to its stable thermal characteristics.

Conclusion of CRB3A4E391JT

The CRB3A4E391JT is a high-performance, space-saving resistor array tailored for modern electronics. Its concave 1206 package, stable thermal performance, and isolated circuit design make it a superior choice over standard flat-chip arrays. While marked Obsolete, it remains a viable option for legacy designs or applications requiring proven reliability. Engineers seeking a compact, high-quality resistor network for consumer, industrial, or automotive systems will find this component exceptionally capable.