TT Electronics/IRC

GQ8B021581GCT

GQ8B021581GCT Description

The GQ8B021581GCT from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications in demanding electronic circuits. This 16-pin QSOP (Quarter-Small Outline Package) device integrates 15 resistors with a 1.58KΩ resistance value, offering a 2% tolerance and a ±50ppm/°C temperature coefficient for stable operation across a wide temperature range (70°C to 125°C). Encased in a ceramic package, it ensures excellent thermal stability and durability, making it suitable for harsh environments. With a 0.75W (3/4W) total power rating and 0.05W per resistor, it balances power dissipation and compactness, ideal for space-constrained designs.

GQ8B021581GCT Features

• Circuit Designator: BUS configuration simplifies PCB layout for bus line termination.
• High Power Handling: 0.75W total power (0.05W per resistor) outperforms standard networks in power density.
• Precision Thin Film: ±50ppm/°C TCR and 2% tolerance ensure accuracy in signal conditioning and analog circuits.
• Robust Construction: Ceramic case and gull-wing termination enhance mechanical and thermal reliability.
• Surface-Mount Design: QSOP package (4.9mm x 6.02mm x 1.47mm) with 0.64mm pitch enables high-density assembly.
• Wide Voltage Range: Supports up to 100V, suitable for industrial and automotive peripherals (though non-automotive graded).

GQ8B021581GCT Applications

This resistor network excels in:

1. Signal Termination: Precision impedance matching in high-speed data buses (e.g., DDR, PCIe).
2. Analog/Digital Conversion: Stable voltage division in ADC/DAC circuits due to low TCR.
3. Industrial Controls: Reliable performance in PLC I/O modules and sensor interfaces.
4. Test & Measurement Equipment: Low drift critical for calibration circuits.
5. Medical Electronics: Noise-resistant signal paths in patient monitoring systems.

Conclusion of GQ8B021581GCT

The GQ8B021581GCT stands out for its ceramic-encased thin-film technology, combining precision, power efficiency, and compactness. While not RoHS-compliant, its 70–125°C operating range and 100V rating make it a robust choice for industrial and communication systems. Engineers will value its BUS-oriented design and low TCR for critical analog applications, though alternatives should be sought for automotive-grade needs. Its tube packaging ensures safe handling during SMT processes.

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