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664A2002ALF

664A2002ALF Description

The 664A2002ALF is a high-precision resistor network manufactured by TT Electronics / BI Technologies, designed for demanding surface-mount applications. Part of the 664 Series, this 4-resistor array features a compact 8-SOIC package with dimensions of 0.193" x 0.154" (4.89mm x 3.90mm) and a low-profile height of 0.069" (1.75mm). Each resistor offers a tight tolerance of ±0.1% and a low temperature coefficient of ±25ppm/°C, ensuring stable performance across varying environmental conditions. With a 20k Ohm resistance per element and a power rating of 100mW, this network is engineered for precision analog and digital circuits.

664A2002ALF Features

• High Precision: Ultra-tight tolerance (±0.1%) and low TCR (±25ppm/°C) for critical applications.
• Matched Resistor Performance: Excellent resistor matching ratio (±0.05%) and low ratio drift (±5ppm/°C) for differential signal processing.
• Compact & Reliable: Surface-mount SOIC package with MSL 1 (Unlimited) moisture sensitivity, suitable for automated assembly.
• Stable Performance: Isolated circuit design minimizes crosstalk, ideal for high-impedance circuits.
• Industry Compliance: REACH Unaffected and ECCN EAR99 certified for global use.

664A2002ALF Applications

This resistor network excels in precision applications such as:

• Medical Instrumentation: High-accuracy sensor interfaces and signal conditioning.
• Industrial Automation: Feedback control systems and bridge networks requiring matched resistors.
• Test & Measurement Equipment: Calibration circuits and precision voltage dividers.
• Communications Systems: RF and analog front-end circuits demanding low drift.

Conclusion of 664A2002ALF

The 664A2002ALF stands out for its exceptional accuracy, stability, and compact form factor, making it a superior choice for precision electronics. While marked as Obsolete, its legacy performance in critical applications ensures continued relevance in specialized designs. Engineers seeking reliable, high-tolerance resistor networks for analog signal processing will find this model indispensable. For replacements, verify compatibility with newer 664 Series variants or equivalent high-precision arrays.