CTS Corporation

RT1403B6

RT1403B6 Description

The RT1403B6 from CTS Corporation is a high-precision 18-resistor network designed for DDR SDRAM termination applications. Packaged in a compact surface-mount BGA format, it measures 0.450" x 0.150" (11.43mm x 3.81mm) with a low-profile height of 0.058" (1.47mm), making it suitable for space-constrained PCB designs. This dual-terminator network features a 25Ω resistance per element with a tight ±1% tolerance and a stable ±200ppm/°C temperature coefficient, ensuring reliable performance in high-speed memory systems.

RT1403B6 Features

• High-Density Integration: Combines 18 resistors in a single 27-pin BGA package, reducing board footprint.
• Precision Performance: ±1% tolerance and ±200ppm/°C TCR for consistent signal integrity in DDR applications.
• Robust Power Handling: 50mW power rating per resistor ensures durability under load.
• Moisture-Resistant: MSL 1 (Unlimited) rating for extended shelf life and reliability.
• Obsolete ECCN Status: Legacy compliance for existing designs, though newer alternatives may be preferred.

RT1403B6 Applications

• DDR Memory Termination: Ideal for DDR SDRAM modules requiring precise impedance matching.
• High-Speed Digital Circuits: Ensures signal integrity in servers, networking equipment, and embedded systems.
• Space-Constrained Designs: Compact BGA package suits thin-profile electronics like laptops and IoT devices.
• Legacy System Maintenance: Supports older designs where ClearONE™ series compatibility is critical.

Conclusion of RT1403B6

The RT1403B6 excels in high-speed memory termination with its precision resistors, compact BGA packaging, and robust thermal performance. While marked obsolete, it remains a viable choice for legacy DDR applications or designs requiring proven reliability. Engineers should evaluate newer alternatives for forward-looking projects but can rely on this network for stable, high-density resistance solutions in constrained layouts.