TT Electronics/IRC

GQ8A0145R3JT

GQ8A0145R3JT Description

The GQ8A0145R3JT from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications requiring stable resistance values and robust thermal performance. This 8-resistor isolated network features a 45.3Ω resistance per element with a 5% tolerance and a ±100ppm/°C temperature coefficient, ensuring reliable operation across a wide temperature range of 70°C to 125°C. Housed in a 16-pin QSOP ceramic package, it offers a compact 4.9mm × 6.02mm footprint with a 1.47mm profile, making it ideal for space-constrained designs. The gull-wing termination ensures secure surface-mount (SMD) assembly, while the 100V maximum voltage rating and 0.75W total power dissipation (0.1W per resistor) enhance durability in demanding circuits.

GQ8A0145R3JT Features

• Isolated Circuit Design (ISOL): Each resistor operates independently, minimizing crosstalk in multi-channel systems.
• Ceramic Case & Thin-Film Technology: Delivers superior thermal stability and low noise compared to thick-film alternatives.
• High Power Density: 0.75W total power rating (3/4W) in a miniature QSOP package, optimizing board space.
• Wide Operating Range: Functions reliably from -55°C to +125°C (derated above 70°C), suited for industrial environments.
• Precision Gull-Wing Terminals: 0.64mm pitch ensures compatibility with automated PCB assembly processes.
• Non-Automotive (PPAP No): Tailored for commercial and industrial use, with EU RoHS non-compliance noted for specific legacy applications.

GQ8A0145R3JT Applications

• Signal Conditioning & Isolation: Ideal for ADC/DAC interfaces, sensor bridges, and medical instrumentation requiring matched resistors.
• Telecom & Networking Equipment: Used in line drivers, termination networks, and RF modules due to low parasitic effects.
• Test & Measurement Systems: Ensures accuracy in calibration circuits and precision voltage dividers.
• Industrial Control PCBs: Withstands harsh conditions in motor drives, PLCs, and power management systems.

Conclusion of GQ8A0145R3JT

The GQ8A0145R3JT excels in applications demanding miniaturization, thermal resilience, and electrical isolation. Its ceramic thin-film construction and high power-handling capability distinguish it from generic resistor arrays, while the QSOP gull-wing package ensures manufacturability. Though not RoHS-compliant, it remains a top choice for legacy or specialized systems where performance outweighs regulatory constraints. Engineers will value its balance of precision, durability, and space efficiency in critical analog and mixed-signal designs.