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664A1002DLF

664A1002DLF Description

The 664A1002DLF from TT Electronics / BI Technologies is a high-precision, surface-mount resistor network designed for applications requiring tight tolerance and stable performance. This 4-resistor array features a 10kΩ resistance per element with an exceptional tolerance of ±0.5% and a low temperature coefficient of ±25ppm/°C, ensuring minimal resistance drift over temperature variations. Housed in an 8-pin SOIC package with dimensions of 4.89mm x 3.90mm (0.193" x 0.154"), it offers a compact footprint ideal for space-constrained designs. The isolated circuit configuration and ±0.1% resistor matching ratio make it suitable for precision analog and signal conditioning circuits.

664A1002DLF Features

• High Precision: ±0.5% tolerance and ±25ppm/°C TCR for stable performance.
• Low Ratio Drift: ±5ppm/°C ensures consistent resistor matching over temperature.
• Compact Design: 1.75mm profile and small footprint for dense PCB layouts.
• Robust Construction: Moisture Sensitivity Level (MSL) 1 (Unlimited) for reliable handling.
• Power Handling: 100mW per resistor, suitable for low-power applications.
• Obsolete Status: REACH unaffected, but availability may require sourcing alternatives.

664A1002DLF Applications

This resistor network excels in precision applications such as:

• Analog Signal Conditioning: Voltage dividers, gain networks in instrumentation.
• Medical Electronics: Patient monitoring systems requiring high accuracy.
• Industrial Controls: Feedback loops, sensor calibration circuits.
• Communications Equipment: RF matching networks, impedance tuning.
• Test & Measurement: Reference circuits where ratio stability is critical.

Conclusion of 664A1002DLF

The 664A1002DLF stands out for its tight tolerance, low drift, and compact form factor, making it a preferred choice for precision electronics. While marked obsolete, its REACH-unaffected status ensures compliance for legacy designs. Engineers should consider this model for applications demanding high stability and minimal performance variance, though alternative sourcing may be necessary due to its discontinued status.