TT Electronics/IRC

GS4A0166R5JCT

GS4A0166R5JCT Description

The GS4A0166R5JCT from TT Electronics/IRC is a high-performance ceramic resistor network designed for precision applications requiring stable resistance values under varying thermal conditions. Housed in an 8-pin narrow SOIC package, this 4-resistor isolated network features a 66.5Ω resistance per element with an absolute tolerance of ±5% and an exceptional ratio tolerance of ±0.25%. Its thin-film technology ensures low noise and high reliability, while the ±100ppm/°C temperature coefficient guarantees minimal resistance drift across its operating range of -70°C to +125°C. Rated for 0.1W per resistor (0.4W total) and 100V maximum voltage, it is ideal for space-constrained, high-density PCB designs.

GS4A0166R5JCT Features

• Ceramic SOIC-C Series Construction: Offers superior thermal stability and mechanical robustness compared to polymer-based networks.
• Isolated Elements: Each resistor operates independently, reducing crosstalk in sensitive circuits.
• Precision Thin Film: Delivers tighter tolerances (±5% absolute, ±0.25% ratio) and lower TCR than thick-film alternatives.
• Wide Temperature Range: Derated power operation up to 125°C suits automotive and industrial environments (though not PPAP-certified).
• Compact Footprint: 4.9mm (L) × 5.99mm (D) × 1.45mm (H) with 1.27mm gull-wing pitch for high-density SMT assembly.
• Non-RoHS Compliant: Suitable for legacy or specialized applications where lead-free compliance is not mandated.

GS4A0166R5JCT Applications

• Signal Conditioning: Precision voltage dividers in sensor interfaces (e.g., thermocouples, strain gauges).
• Industrial Controls: Isolated feedback networks in motor drives and power supplies.
• Test & Measurement Equipment: Stable reference resistors for calibration circuits.
• Aerospace & Defense: Reliable performance in harsh thermal environments (note: non-automotive grade).
• Legacy Electronics Repair: Direct replacement for obsolete SOIC resistor networks in older PCB designs.

Conclusion of GS4A0166R5JCT

The GS4A0166R5JCT stands out for its ceramic substrate, isolated thin-film resistors, and tight ratio tolerance, making it a robust choice for precision analog circuits. While not RoHS-compliant or automotive-grade, its thermal stability, compact form factor, and high-voltage rating cater to demanding industrial and instrumentation applications. Engineers will appreciate its balance of performance and durability in critical designs where resistance accuracy and thermal drift are paramount.