The Raltron AS-4.000-6-1520-SMD-3PT-H3-NS1 is a surface-mount crystal operating at 4MHz. This crystal boasts a frequency tolerance of ±30ppm, ensuring stable and accurate timing in your circuits. It features a load capacitance of 6pF and a series resistance (ESR) of 120 Ohms. Designed for surface mount technology (SMD), this 2-Pin crystal is easy to integrate into automated assembly processes. Its compact size makes it suitable for space-constrained applications. As an authorised distributor of Raltron components, Supreme Components International guarantees the authenticity and quality of this crystal. This crystal is commonly used in microcontrollers, communication devices, and other timing-critical applications. Choose Raltron for reliable performance and precision timing solutions.