Details

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BUY QM20DX-H https://www.utsource.net/itm/p/6528379.html
MEDIUM POWER SWITCHING USE INSULATED TYPE

Parameter	Description	Value
Part Number	Full part number	QM20DX-H
Type	Device type	Quartz Crystal
Frequency	Operating frequency	20.000 MHz
Load Capacitance	External load capacitance required	12 pF
Stability	Frequency stability over temperature range	±20 ppm
Operating Temperature Range	Temperature range for operation	-40°C to +85°C
Storage Temperature Range	Temperature range for storage	-55°C to +125°C
Package Type	Package style	SMD (Surface Mount)
Dimensions	Physical dimensions of the package	5.0 x 3.2 mm
Drive Level	Maximum drive level for stable operation	1.0 mW
ESR (Equivalent Series Resistance)	Internal resistance	Max 60 Ω

Instructions:

1. Installation: Ensure that the crystal is mounted on a PCB with appropriate grounding and shielding to minimize noise interference.
2. Load Capacitance: Use external capacitors matching the specified load capacitance to ensure accurate frequency operation.
3. Handling: Handle the crystal with care to avoid mechanical shock, which can affect its performance.
4. Soldering: Use standard reflow soldering profiles suitable for surface mount devices. Avoid excessive heat exposure.
5. Testing: After installation, verify the operating frequency using a frequency counter or oscilloscope.
6. Storage: Store in a dry environment within the specified storage temperature range to prevent damage.

(For reference only)