40MHz 5032 SMD Quartz Crystal 4-Pin 20pF
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Prices updated: 13 Oct 2026
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About this product
A 40 MHz quartz crystal in a 5032 SMD package with four pads. It provides a stable timing reference for microcontrollers and digital circuits, with a specified load capacitance of 20 pF, maximum series resistance of 100 Ω and frequency tolerance of ±20 ppm.
Specifications
- Frequency
- 40 MHz
- Package
- 5032 SMD, 4-pin
- Load capacitance
- 20 pF
- Max series resistance
- 100 Ω
- Frequency tolerance
- ±20 ppm
- Temperature coefficient
- ±30 ppm
Frequently asked questions
Does this crystal need load capacitors?
Yes. A passive crystal is normally used with two capacitors to ground in the oscillator circuit. Their values depend on the 20 pF load capacitance and the board's stray capacitance, so follow the recommended values in your microcontroller's datasheet.
Why does the listing mention 4 pins?
The electrical parameters given (load capacitance and series resistance) describe a passive crystal. Many 5032 crystals have four pads, where two are not connected. Confirm the pinout on the datasheet before PCB layout.
