TT Electronics/IRC

GQCA035491BT

GQCA035491BT Description

The GQCA035491BT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding isolation and signal conditioning applications. This 24-pin QSOP (Quarter Small Outline Package) device features 12 isolated resistors, each with a 5.49KΩ resistance, a tight 0.1% tolerance, and a low ±25ppm/°C temperature coefficient. Encased in a ceramic package, it offers superior thermal stability and reliability in harsh environments. With a 1W total power rating (0.1W per resistor) and a 100V maximum voltage rating, it is engineered for precision analog and digital circuits requiring stable performance across a 70°C to 125°C operating range.

GQCA035491BT Features

• High Precision: 0.1% tolerance and ±25ppm/°C TCR ensure minimal drift in critical applications.
• Robust Construction: Ceramic case enhances thermal dissipation and mechanical durability.
• Isolated Design: 12 resistors with independent isolation (ISOL) reduce crosstalk in multi-channel systems.
• Surface-Mount Compatibility: Gull-wing termination and QSOP package (8.66mm x 6.02mm x 1.47mm) enable compact PCB layouts.
• Wide Temperature Range: Operates reliably from -70°C to +125°C with derated power.
• High Voltage Handling: 100V rating suits industrial and instrumentation use.

GQCA035491BT Applications

• Precision Instrumentation: Ideal for DAC/ADC reference networks, bridge circuits, and sensor signal conditioning.
• Medical Electronics: Stable performance in patient monitoring systems and diagnostic equipment.
• Industrial Automation: Used in PLC I/O modules, isolators, and control systems requiring low drift.
• Telecommunications: Signal isolation in RF front-end circuits and baseband processing.
• Automotive Test Systems: Despite not being automotive-grade, its ceramic package suits benchtop testing and prototyping.

Conclusion of GQCA035491BT

The GQCA035491BT stands out for its combination of precision, isolation, and ruggedness, making it a top choice for engineers designing high-reliability systems. Its thin-film technology and ceramic encapsulation deliver unmatched stability in fluctuating temperatures, while the QSOP footprint balances density and manufacturability. While not PPAP or RoHS compliant, its performance-centric design caters to niche applications where accuracy and durability outweigh regulatory constraints. For precision networks in harsh environments, this resistor array is a compelling solution.