🔹 2pcs 10MHz HC-49S Crystal Oscillator – Through-Hole, 2-Pin
The HC-49S is a standard through-hole crystal oscillator that provides a precise 10MHz frequency reference for microcontrollers, CPUs, and clock generation circuits. It is commonly used as an external clock source for microcontrollers (like Arduino, ESP32, and STM32) and various communication and RF modules.
✅ Specifications:
Frequency: 10MHz
Package: HC-49S (HC-49/US, 2-pin through-hole)
Pin Count: 2
Load Capacitance: 18pF–30pF (common values: 18pF , 20pF , 30pF )
Frequency Tolerance: ±30ppm typical, ±20ppm available
Frequency Stability: ±50ppm typical
Equivalent Series Resistance (ESR): 30Ω–80Ω (varies)
Mode of Oscillation: Fundamental
Operating Temperature: -20°C to +70°C typical
Dimensions: ~11.35mm x 5mm x 3.5mm
📦 Features:
✔️ Reliable fundamental-mode oscillation
✔️ Standard HC-49S package for easy PCB mounting
✔️ Low equivalent series resistance (ESR) for stable startup
✔️ Wide range of available load capacitance options
✔️ RoHS compliant
📦 Applications:
✔️ Microcontroller and CPU clock sources
✔️ Arduino/ESP32/STM32 external crystal
✔️ Real-time clock (RTC) circuits
✔️ Communication and RF modules
✔️ Timing and clock generation circuits
✔️ General-purpose oscillator circuits
Reviews
There are no reviews yet.