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RT1402B7TR13

RT1402B7TR13 Description

The RT1402B7TR13 from CTS Corporation is a high-performance 18-resistor network designed for DDR SDRAM termination applications. Packaged in a compact 27-pin LBGA with dimensions of 9.00mm x 3.00mm (0.354" x 0.118"), this surface-mount device offers a 50Ω resistance per element with a tight ±1% tolerance and a ±200ppm/°C temperature coefficient. Part of the ClearONE™ series, it features a dual terminator circuit configuration, ensuring stable signal integrity in high-speed memory systems. With a 50mW power rating per resistor and MSL 1 (unlimited) moisture sensitivity, it is suitable for automated assembly processes. The product is obsolete but remains relevant for legacy designs requiring reliable termination solutions.

RT1402B7TR13 Features

• Precision Resistance: 18 resistors, each 50Ω ±1%, ensuring consistent performance in termination circuits.
• High-Density Packaging: 27-pin LBGA with a low-profile 1.34mm height, ideal for space-constrained PCB layouts.
• Thermal Stability: ±200ppm/°C temperature coefficient minimizes resistance drift under varying operating conditions.
• DDR SDRAM Optimization: Dual terminator design reduces signal reflection and improves data integrity in high-speed memory interfaces.
• Reliable Construction: REACH Unaffected and EAR99 compliance, with tape-and-reel (TR) packaging for streamlined production.

RT1402B7TR13 Applications

This resistor network excels in DDR memory modules, server motherboards, and high-performance computing systems where precise termination is critical. Its low-profile form factor and surface-mount compatibility make it suitable for densely populated PCBs in data centers, networking equipment, and embedded systems. The ±1% tolerance and stable thermal performance are particularly advantageous in automotive infotainment and industrial control systems requiring long-term reliability.

Conclusion of RT1402B7TR13

The RT1402B7TR13 is a specialized resistor network offering precision, compactness, and thermal resilience for DDR SDRAM termination. While obsolete, its ClearONE™ technology and dual-terminator architecture provide enduring value for legacy designs demanding high signal integrity. Engineers working on memory-intensive applications or upgrading older systems will find this component a robust solution despite its discontinued status.