Product parameters
|
PARAMETER |
XT21M4 |
CONDITIONS / REMARKS |
|
|
Nominal frequency range |
19.200 ~ 54.000MHz |
-- |
|
|
Crystal cut and mode |
AT - cut / Fundamental |
-- |
|
|
Frequency tolerance |
±7ppm / ±10ppm / ±12ppm |
Other options available. |
|
|
Frequency stability |
±10ppm |
±12ppm |
Other options available. |
|
Operating temperature range |
-20 to+70°C; |
-30 to +85°C |
Other options available. |
|
Equivalent series resistance |
<100Ω |
19.200 to 30.000MHz |
|
|
<80Ω |
30.001 to 54.000MHz |
||
|
Load capacitance |
7pF, 8pF, 10pF, 12pF |
Please specify. |
|
|
Shunt capacitance |
<3.0pF |
-- |
|
|
Drive level |
10μW TYP / 200μW MAX |
-- |
|
|
Thermistance |
100kΩ±1% |
-- |
|
|
Thermistance β - constant |
4250kΩ |
-- |
|
|
Storage temperature range |
-55 to +125°C |
-- |
|
Product Features
■ High Precision & Ultra-High Frequency Stability:
- Delivers high precision of ±7ppm and ultra - high frequency stability at 54MHz.
■ Ultra small size:
- Boasts an ultra - small 2.0 × 1.6mm form factor, being a SMD passive crystal oscillator.
Applications
- The 2016 Crystal enables compact motherboard and handheld designs, crystal delivers precise RTC timing for 5G communication,mobile communication.
Product advantages
Advanced Surface-Mount TCXO Technology
Utilizing cutting-edge surface-mount technology (SMT), this Temperature-Compensated Crystal Oscillator (TCXO) delivers exceptional miniaturization and automated assembly compatibility for high-density PCB designs.
Industry-Leading Frequency Stability
Achieves remarkable temperature stability across operating conditions, ensuring ultra-precise timing for mission-critical applications such as 5G communications, satellite navigation, and high-speed data centers.
certificate
The Crystal with Thermistor 2016 XT21M4 series products are RoHS/REACH compliant, lead-free & halogen-free.
FAQ
Q1: What is the difference between the "operating temperature range" and "storage temperature range" of a crystal oscillator?
A: Operating temperature range: The temperature range in which the device functions normally (e.g., -40°C to +85°C).
Storage temperature range: The temperature range the device can withstand when not powered (typically wider, e.g., -55°C to +125°C).
Q2: Why may a crystal oscillator fail in a high-humidity environment?
A: Moisture can cause internal metal corrosion or electrode oxidation within the package, leading to frequency drift or complete oscillation failure. It is recommended to use hermetically sealed metal or ceramic packages for better reliability.
Q3: Why do some crystal oscillators require "aging compensation"?
A: Crystal oscillators experience frequency drift over time (aging effect). High-end applications (e.g., satellite communications) require dynamic circuit compensation to maintain precision.
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