The SFPKA450KD4A-R1 is a ceramic resonator manufactured by Murata Electronics North America. Ceramic resonators are passive electronic components used for frequency control in electronic circuits. They provide a stable and cost-effective alternative to quartz crystals in many applications.

Applications

• Microcontrollers: Provides a clock signal for microcontrollers in various embedded systems.
• Remote controls: Used in remote control units for generating the carrier frequency.
• Wireless communication devices: Found in basic wireless devices like key fobs or simple transceivers where high frequency accuracy isn't paramount.
• Consumer electronics: Used in various consumer electronic devices such as toys, appliances, and audio equipment.
• Industrial control: Provides a timing source for simple industrial control applications.

Features

• Compact Size: The resonator is designed with a small footprint, suitable for space-constrained applications.
• Stable Frequency: Provides a stable oscillation frequency under varying temperature and voltage conditions.
• Cost-Effective: Offers a lower-cost alternative to quartz crystals, making it suitable for high-volume production.
• Lead-Free Construction: Manufactured using lead-free materials, compliant with RoHS standards.
• Wide Operating Temperature Range: Functions reliably within a broad range of temperatures, suitable for diverse environments.
• Surface Mount Device (SMD): Designed for surface mount assembly, simplifying the manufacturing process.

Benefits

• Ease of Integration: Simple to integrate into electronic circuits with minimal external components required.
• Reliable Performance: Delivers stable and consistent frequency control for various applications.
• Cost Savings: Reduces overall system cost compared to using quartz crystals.
• Environmentally Friendly: Compliant with environmental regulations, ensuring safe and responsible manufacturing practices.
• Versatile Usage: Suitable for a wide range of applications requiring a stable clock signal.
• Reduced Footprint: The small size allows for compact device designs.

Relevant Details

The SFPKA450KD4A-R1 operates at a nominal frequency of 4.5 MHz. It is typically available in a ceramic package designed for surface mount technology. Key specifications to consider when using this resonator include its frequency tolerance, operating temperature range (typically -20°C to +80°C), and aging characteristics. It is essential to consult the manufacturer's datasheet for detailed electrical characteristics, soldering guidelines, and reliability information to ensure optimal performance in the intended application.