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MRS33KBF

MRS33KBF Description

The MRS33KBF from TE Connectivity Passive Product is a high-precision 4-resistor network designed for demanding electronic applications. Housed in a compact 1206 (3216 Metric) convex package with long-side terminals, this surface-mount array offers a 33kΩ resistance per element with an exceptional ±0.1% tolerance and a low ±25ppm/°C temperature coefficient (TCR). The isolated circuit configuration ensures independent resistor performance, while the 62.5mW power rating per element provides reliable operation in low-power circuits. Despite its obsolete status, the MRS33KBF remains a robust choice for legacy designs, featuring ROHS3 compliance and REACH unaffected status for environmental safety.

MRS33KBF Features

• Precision Performance: ±0.1% tolerance and ±25ppm/°C TCR ensure stability in temperature-sensitive applications.
• Compact Design: 0.126" x 0.063" (3.20mm x 1.60mm) footprint with a low 0.026" (0.65mm) profile for space-constrained PCBs.
• High Reliability: Moisture Sensitivity Level (MSL) 1 (Unlimited) guarantees durability in humid environments.
• Matched TCR: Ideal for voltage divider circuits requiring tight resistance matching.
• Surface-Mount Ready: Tape & Reel (TR) packaging enables efficient automated assembly.

MRS33KBF Applications

The MRS33KBF excels in precision analog and signal conditioning circuits, including:

• Voltage dividers in sensor interfaces and ADC/DAC reference networks.
• Feedback networks for op-amps and instrumentation amplifiers.
• Industrial control systems where TCR matching minimizes drift.
• Legacy electronics maintenance due to its obsolete but reliable design.

Conclusion of MRS33KBF

With its high accuracy, compact form factor, and matched TCR, the MRS33KBF resistor network is a proven solution for precision analog designs. While no longer in production, its ROHS3 compliance and industrial-grade reliability make it a viable option for legacy systems or niche applications requiring tight tolerance and thermal stability. Engineers seeking alternatives should consider TE Connectivity's active series for modern replacements.