CTS Corporation

RT1402B6

RT1402B6 Description

The RT1402B6 from CTS Corporation is a high-performance 18-resistor network designed for surface-mount (SMD) applications, specifically optimized for DDR SDRAM termination. Part of the ClearONE™ series, this dual-terminator network features a compact BGA package with dimensions of 0.450" x 0.150" (11.43mm x 3.81mm) and a low-profile height of 0.058" (1.47mm), making it ideal for space-constrained PCB designs. With a 50Ω resistance per element and a tight ±1% tolerance, it ensures precise signal integrity in high-speed memory applications.

RT1402B6 Features

• Dual-Terminator Circuit: Optimized for DDR SDRAM to minimize signal reflections and improve data integrity.
• High Precision: ±1% tolerance and ±200ppm/°C temperature coefficient ensure stable performance across operating conditions.
• Robust Power Handling: 50mW power rating per resistor for reliable operation in demanding environments.
• Compact & Low-Profile: BGA package with a 1.47mm seated height suits high-density designs.
• Moisture-Resistant: MSL 1 (Unlimited) rating allows extended storage without baking requirements.
• Obsolete ECCN Status: May require alternative sourcing for new designs but remains viable for legacy systems.

RT1402B6 Applications

• DDR Memory Modules: Primary use in termination networks for DDR1/2/3 SDRAM to reduce signal distortion.
• High-Speed Digital Circuits: Ideal for server motherboards, graphics cards, and embedded systems requiring precise impedance matching.
• Space-Constrained Electronics: Suitable for thin client devices, networking hardware, and IoT modules due to its compact footprint.
• Legacy System Maintenance: Supports repairs or upgrades of older DDR-based systems where modern alternatives are incompatible.

Conclusion of RT1402B6

The RT1402B6 resistor network excels in high-speed memory termination, offering precision, compactness, and reliability for DDR applications. While obsolete for new designs, its optimized electrical performance and robust construction make it a preferred choice for legacy or specialized systems. Engineers valuing signal integrity and space efficiency will find this component indispensable in memory-intensive applications. For modern alternatives, consult CTS Corporation’s latest ClearONE™ series offerings.