Texas Instruments

SE555D

SE555D Description

The SE555D from Texas Instruments is a precision 555-type timer/oscillator designed for surface-mount applications, offering reliable timing and oscillation functions in a compact 8-SOIC package. Operating within a 4.5V to 18V supply range, this IC delivers a 100kHz frequency with a 10mA supply current, making it suitable for low-power designs. It is classified under EAR99 and complies with ROHS3 and REACH environmental standards, ensuring global usability. With a Moisture Sensitivity Level (MSL) of 1 (Unlimited), it is robust for extended storage and handling.

SE555D Features

• Wide Voltage Range (4.5V–18V): Supports flexible power supply configurations.
• Low Supply Current (10mA): Enhances energy efficiency in battery-operated systems.
• High Frequency (100kHz): Ideal for precision timing applications.
• Surface-Mount (8-SOIC): Compact footprint for space-constrained PCB designs.
• Industrial Compliance: ROHS3, REACH Unaffected, EAR99 certified for broad market acceptance.
• Last Time Buy Status: Recommended for legacy designs requiring long-term reliability.

SE555D Applications

The SE555D excels in:

• Precision Timing Circuits: Used in pulse generation, delay circuits, and sequential timing.
• Oscillators: Stable clock generation for microcontrollers and digital systems.
• Industrial Control Systems: Timer functions in automation, sensors, and safety interlocks.
• Consumer Electronics: Found in toys, LED flashers, and audio tone generators.
• Automotive Electronics: Timing modules for lighting and sensor triggers.

Conclusion of SE555D

The SE555D stands out as a versatile, high-performance timer/oscillator with wide voltage tolerance, low power consumption, and industrial-grade reliability. Its surface-mount design and compliance with global standards make it a preferred choice for modern electronics requiring precise timing solutions. While marked as Last Time Buy, it remains a dependable option for legacy and new designs seeking proven 555 timer functionality.