KYOCERA AVX Tariff Inquiry

CRB3A4E390JT

CRB3A4E390JT Description

The CRB3A4E390JT is a 4-resistor network from KYOCERA AVX's CRB series, designed for surface-mount applications. This 1206 (3216 Metric) concave package features long-side terminals, ensuring reliable solder joints and mechanical stability. With a 39Ω resistance per element and ±5% tolerance, it delivers consistent performance in compact circuits. The ±250ppm/°C temperature coefficient ensures stability across operating conditions, while the 62.5mW power rating per resistor balances efficiency and thermal management. Packaged in tape and reel (TR), it suits automated assembly. Though obsolete, it remains relevant for legacy designs requiring high-density, isolated resistor arrays.

CRB3A4E390JT Features

• Compact Design: 3.20mm x 1.60mm footprint with a 0.70mm profile saves PCB space.
• Robust Construction: Concave, long-side terminals enhance solderability and vibration resistance.
• Stable Performance: ±250ppm/°C TCR minimizes resistance drift under thermal stress.
• High Reliability: MSL 1 (Unlimited) moisture sensitivity ensures compatibility with standard handling.
• Isolated Circuitry: Independent resistors reduce crosstalk, ideal for precision analog/digital systems.
• Industry-Standard Compliance: EAR99, REACH Unaffected, and HTSUS 8533.21.0020 certified for global use.

CRB3A4E390JT Applications

• Voltage Division: Precision dividers in sensor interfaces or ADC circuits.
• Termination Networks: Signal integrity in high-speed digital lines (e.g., SPI, I²C).
• Current Limiting: LED drivers or low-power load protection.
• Legacy Electronics: Maintenance/repair of obsolete industrial or automotive PCBs.
• Impedance Matching: RF/communication modules requiring stable resistance values.

Conclusion of CRB3A4E390JT

The CRB3A4E390JT excels in space-constrained, high-reliability applications with its low-profile, isolated resistor array design. While obsolete, its Kyocera AVX heritage ensures durability, making it a pragmatic choice for legacy systems or designs prioritizing proven performance. Engineers valuing thermal stability, compactness, and ease of assembly will find this model a dependable solution for analog and mixed-signal circuits.