TT Electronics/IRC

PFC-D1206-03-3901-1003-DD

PFC-D1206-03-3901-1003-DD Description

The PFC-D1206-03-3901-1003-DD from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 3-pin, 1206 concave SMD component features two resistors with values of 3.9KΩ and 100KΩ, offering a tight tolerance of ±0.5% and a low temperature coefficient of ±25ppm/°C for exceptional stability. With a 0.25W (1/4W) total power rating (0.125W per resistor) and a maximum operating temperature of 150°C, it is engineered for reliability in precision circuits. The 100V maximum voltage rating and thin-film technology ensure low noise and high accuracy, making it ideal for voltage division and signal conditioning. Packaged in tape and reel (T/R), it suits automated assembly processes.

PFC-D1206-03-3901-1003-DD Features

• Precision Resistance: Dual resistors (3.9KΩ/100KΩ) with 0.5% tolerance and ±25ppm/°C TCR for minimal drift.
• Robust Construction: Thin-film technology ensures low noise, high stability, and long-term reliability.
• Compact Design: 1206 case size (3.2mm x 1.6mm x 0.61mm) with concave terminations for secure soldering.
• High-Temperature Operation: Rated for -70°C to +150°C, derated up to 150°C for harsh environments.
• Automation-Friendly: Tape and reel packaging for efficient SMD assembly.
• Voltage Division Optimized: Labeled "VOLT/D" for voltage divider applications, ensuring precise ratio matching.

PFC-D1206-03-3901-1003-DD Applications

This resistor network excels in precision analog and mixed-signal circuits, including:

• Voltage Dividers: Critical in ADC/DAC reference circuits, sensor interfaces, and feedback networks.
• Signal Conditioning: Low-noise amplification and filtering in medical/industrial instrumentation.
• Power Management: Bias networks and load sharing in DC-DC converters.
• Automotive/Industrial Electronics: Despite non-automotive PPAP status, its 150°C rating suits under-hood or high-temperature industrial systems.
• Consumer Electronics: Compact size and accuracy ideal for portable devices and IoT modules.

Conclusion of PFC-D1206-03-3901-1003-DD

The PFC-D1206-03-3901-1003-DD stands out for its precision, thermal resilience, and space-saving design, making it a superior choice for engineers prioritizing stability in tight-tolerance applications. Its thin-film construction and matched resistors reduce design complexity in voltage division, while the 1206 concave SMD format ensures manufacturability. While not RoHS-compliant, its performance in harsh conditions and analog-critical systems justifies selection for specialized designs. Ideal for high-reliability industrial, medical, and instrumentation use cases where accuracy and durability are paramount.