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RT2407B7

RT2407B7 Description

The RT2407B7 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 35Ω 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 robust signal integrity in high-speed memory systems. With a 50mW power rating per resistor and RoHS compliance, it meets stringent industry standards while being obsolete but still relevant for legacy designs.

RT2407B7 Features

• Precision Resistance: 35Ω ±1% tolerance for accurate DDR termination.
• High-Density Integration: 18 resistors in a space-saving LBGA package (1.34mm max height).
• Stable Performance: ±200ppm/°C thermal stability ensures reliability across temperature fluctuations.
• Dual Terminator Design: Optimized for DDR SDRAM to reduce signal reflection and improve data integrity.
• Industry Compliance: RoHS compliant, EAR99 ECCN, and MSL 1 (unlimited) moisture sensitivity.
• Power Handling: 50mW per resistor for balanced dissipation in high-frequency applications.

RT2407B7 Applications

• DDR Memory Modules: Ideal for termination networks in DDR1/2/3 SDRAM interfaces.
• High-Speed PCB Designs: Reduces crosstalk and EMI in dense circuit layouts.
• Embedded Systems: Suitable for legacy industrial/telecom hardware requiring stable termination.
• Server/Workstation Motherboards: Ensures signal fidelity in memory buses.

Conclusion of RT2407B7

The RT2407B7 resistor network excels in precision, compactness, and thermal stability, making it a reliable choice for DDR memory termination despite its obsolete status. Its dual terminator architecture and low-profile design address critical challenges in high-speed digital systems, while RoHS compliance ensures environmental adherence. Engineers working on legacy upgrades or niche DDR applications will find this component indispensable for maintaining signal integrity without redesigns.