24 MHz Fundamental Mode for Clock Paths
The ECS-240-8-33-AGM-TR: The ECX-32 series delivers a 24 MHz crystal operating in fundamental mode with ±25 ppm frequency tolerance and ±30 ppm frequency stability — tight enough for UART baud generation and USB clock rails where ppm error compounds over time. An 8 pF load capacitance and 40 Ω ESR align with the drive-level requirements of most 32-bit MCU oscillator circuits, meaning it pairs directly with the internal oscillator load cap settings on common ARM-based MCUs without an external series resistor.
Package Footprint and Rework Reality
The thin profile means the crystal sits low on the pad; reflow profile peak should stay within the recommended solder paste guidelines to avoid cracking the ceramic body. Rework — if needed — calls for a pre-bake to drive out moisture before hot-air removal, given the no-lead package and low seated height.