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CRC3A4E331JT

CRC3A4E331JT Description

The CRC3A4E331JT from KYOCERA AVX is a 4-resistor network in a compact 1206 (3216 Metric) surface-mount package, designed for high-density PCB applications. This obsolete but reliable component features 330Ω isolated resistors with a ±5% tolerance and a ±250ppm/°C temperature coefficient, ensuring stable performance across varying environmental conditions. Its convex, long-side terminal design enhances mechanical stability and solderability. Rated at 62.5mW per element, it balances power handling and miniaturization, making it suitable for space-constrained designs. The Tape & Reel (TR) packaging supports automated assembly, while its REACH Unaffected and EAR99 compliance ensures broad regulatory acceptance.

CRC3A4E331JT Features

• Compact Footprint: Measures 0.126" x 0.063" (3.20mm x 1.60mm) with a low 0.024" (0.60mm) profile, ideal for thin PCBs.
• Robust Construction: Convex, long-side terminals improve durability and solder joint reliability.
• Stable Performance: ±250ppm/°C TCR and ±5% tolerance ensure consistent resistance values under thermal stress.
• Automation-Friendly: Supplied in Tape & Reel (TR) for efficient pick-and-place assembly.
• Low Moisture Sensitivity: MSL 1 (Unlimited) rating eliminates baking requirements before use.

CRC3A4E331JT Applications

This resistor network excels in:

• Signal Conditioning: Precision voltage division in sensor interfaces (e.g., IoT devices).
• Pull-Up/Pull-Down Circuits: Simplifies logic level stabilization in microcontrollers and FPGAs.
• Consumer Electronics: Space-saving solution for smartphones, wearables, and compact PCBs.
• Industrial Controls: Reliable performance in -55°C to +125°C environments (implied by TCR).
• Automotive Electronics: Suitable for non-critical circuits due to its AEC-Q200-like robustness (though not explicitly rated).

Conclusion of CRC3A4E331JT

While obsolete, the CRC3A4E331JT remains a viable choice for legacy designs or replacements, offering Kyocera AVX's proven reliability in a miniaturized format. Its isolated 330Ω resistors, low-profile design, and automation compatibility make it a pragmatic option for cost-sensitive, high-volume applications. Engineers should evaluate alternative modern equivalents for new designs but can leverage this model for repairs or BOM consistency.