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RT2405B7TR7

RT2405B7TR7 Description

The RT2405B7TR7 from CTS Resistor Products is a high-density 18-resistor network array designed for precision termination in DDR SDRAM applications. Housed in a compact 36-pin LBGA package with dimensions of 9.00mm x 4.00mm (0.354" x 0.157"), this surface-mount component offers a 22Ω resistance per element with a tight ±1% tolerance and a ±200ppm/°C temperature coefficient. Its dual-terminator circuit configuration ensures stable performance in high-speed memory interfaces, while the 50mW power rating per resistor provides reliable operation under typical load conditions. The device is RoHS compliant and REACH unaffected, making it suitable for environmentally conscious designs.

RT2405B7TR7 Features

• 18-resistor array in a 36-pin LBGA for space-efficient PCB layouts.
• 22Ω resistance with ±1% tolerance for precise signal termination.
• ±200ppm/°C temperature coefficient ensures stability across operating conditions.
• Dual-terminator circuit optimized for DDR SDRAM applications.
• 50mW power dissipation per resistor for robust performance.
• Moisture Sensitivity Level (MSL) 1 allows unlimited floor life.
• Tape & Reel (TR) packaging for automated assembly compatibility.
• RoHS compliant and REACH unaffected, meeting global environmental standards.

RT2405B7TR7 Applications

• DDR SDRAM memory modules: Ideal for termination resistors in high-speed data buses.
• Server and workstation motherboards: Ensures signal integrity in dense memory arrays.
• Embedded systems: Suitable for compact designs requiring reliable termination.
• Networking equipment: Provides stable performance in high-frequency applications.

Conclusion of RT2405B7TR7

The RT2405B7TR7 resistor network stands out for its precision, compact form factor, and DDR SDRAM optimization. While marked as obsolete, its high-density design, low thermal drift, and robust power handling make it a reliable choice for legacy or specialized applications. Engineers seeking a proven solution for memory termination will find this component well-suited for demanding environments.