Crystal Oscillator 4.000 MHz Clock Source
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Prices updated: 12 Oct 2026
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About this product
A 4.000 MHz crystal oscillator used as a stable clock source for microcontrollers and digital circuits. Its fixed frequency sets the timing for processor operation, serial communication and counters.
Specifications
- Frequency
- 4.000 MHz
- Type
- Crystal oscillator
- Application
- Clock source for microcontrollers and digital circuits
Frequently asked questions
Does it need load capacitors?
A two-pin crystal needs two load capacitors as specified in the microcontroller datasheet. A four-pin packaged oscillator only needs power and ground, and its output drives the clock input.
Can a 4 MHz clock be used with any microcontroller?
Many 8-bit and ARM microcontrollers accept an external 4 MHz clock, but the allowed range is set by each device's datasheet. Confirm the supported frequency before wiring.
