TT Electronics/IRC

GS4B021371FFT

GS4B021371FFT Description

The GS4B021371FFT from TT Electronics/IRC is a high-performance 7-resistor bussed network in an 8-pin narrow SOIC package. Designed with thin-film technology on a ceramic substrate, it offers a 1.37KΩ resistance per element with a tight ±1% absolute tolerance and ±1% ratio tolerance. The device operates over a wide temperature range (70°C to 125°C derated, 125°C max) and features a ±50ppm/°C temperature coefficient, ensuring stability in demanding environments. With a 0.4W total power rating (0.05W per resistor) and 100V maximum voltage rating, it is suited for precision applications. The gull-wing termination and surface-mount design facilitate automated assembly, while the SOIC package (4.9mm x 5.99mm x 1.45mm) ensures compact PCB integration.

GS4B021371FFT Features

• Bussed Network Topology: Simplifies circuit design by connecting resistors in a shared configuration.
• High Precision: ±1% tolerance and ±50ppm/°C TCR for reliable performance in precision circuits.
• Robust Construction: Ceramic case and thin-film technology enhance durability and thermal stability.
• Space-Efficient: SOIC package with 1.27mm terminal pitch optimizes board space.
• Automation-Friendly: Gull-wing leads enable seamless surface-mount assembly.
• Wide Operating Range: -55°C to +125°C (full power up to +70°C) for versatile use.

GS4B021371FFT Applications

Ideal for analog signal conditioning, voltage division, and impedance matching in:

• Industrial Control Systems: Precision feedback networks in PLCs and sensors.
• Telecommunications: Line termination and filtering in high-frequency circuits.
• Medical Devices: Stable resistor networks for diagnostic equipment.
• Automotive Electronics (non-Automotive qualified): Sensor interfaces and ECU signal processing.
• Test & Measurement: Calibration and reference circuits requiring low drift.

Conclusion of GS4B021371FFT

The GS4B021371FFT excels in precision, compactness, and thermal performance, making it a superior choice for high-reliability applications where space and stability are critical. Its bussed design reduces component count, while ceramic construction ensures longevity. Though not PPAP or Automotive-qualified, it is well-suited for industrial, telecom, and medical markets demanding tight-tolerance networks. Engineers will appreciate its balance of performance and manufacturability in surface-mount designs.