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The T21 series of thermistor crystal resonators, measuring 2.0 x 1.6 x 0.8 mm and with a frequency range of 19.2-76.8 MHz, offers the advantage of a small footprint that makes it easy to integrate into a wide variety of electronic devices without adding to the overall weight of the device, a feature that makes it ideal for use in high-precision clocks.
T21 Series High Precision Thermistor Crystal Resonators
The T21 series thermistor quartz crystal resonators are equipped with thermistors with temperature compensation to maintain high stability operation under harsh environmental conditions, providing a solution to the nuisance caused by temperature drift.
This series of quartz crystal resonators features low power consumption during operation, which effectively reduces the power consumption of electronic devices and helps to extend the life of electronic devices.
The T21 series thermistor crystal resonators are designed to meet the specific needs of different applications and are widely used in mobile communications, wireless LAN, smart wearable and GPS devices to provide highly accurate time references.
Product features:
✦High reliability for a variety of use environments.
✦Stable frequency signal can be directly raised without external temperature compensation circuit.
✦Fast start-up time for stable frequency output in a short period of time.
✦Suitable for communication equipment.
✦RoHS Compliant / Pb Free.
Crystals specifications:
| ITEMS/TYPE | T21 |
| Frequency Range | 19.2-54MHz |
| Load Capacitance | 12pF, or specify |
| Frequency Tolerance (at 25℃) | ±10 ppm, or specify |
| Frequency Stability Over Operating Temperature Range | ±10 ppm, or specify |
| Operating Temperature Range | -30~+85℃, or specify |
| Shunt Capacitance(C0) | 3pF Max. |
| Drive Level | 1~200μW(50μWtypical ) |
| Aging (at 25 ℃) | ± 1 ppm / year Max. |
| Storage Temperature Range | -40~+105℃ |
| Thermistor Resistance (25℃) | 100kΩ, or specify |
| Thermistor B-constant(25~50℃) |
4250, or specify |
Equivalent Series Resistance(ESR)
| Frequency Range | Mode | ESR. | Frequency Range | Mode | ESR. |
| 19.2~20MHz | FuAT,Fundl | 80 ΩMax. | 40~54MHz | FuAT,Fundl | 30ΩMax |
| 20~40MHz | FuAT,Fundl | 50 ΩMax. |
Dimensions and patterns(unit:mm):
Application:
Why Choose Us？
+ One-stop supply of all frequency control parts.
+The dedicated FAE team offers frequency deviation, resistance, DLD tests, and other auxiliary project tests, along with comprehensive after-sales technical support.
+ 180 warranty and return policy.
+ All our factories are ISO certified and our components are RoHS and REACH compliant.
FAQ:
1.What are the characteristics of Thermal sensitive crystal resonator T21?
T21 has temperature compensation function, low power consumption, small size, fast start-up time, and mature manufacturing process, which is a very cost-effective product.
2.Can T21 series Thermal sensitive crystal resonator be customised?
Yes, we offer customised options for the T21 series to meet specific frequency, stability and packaging requirements. Please contact our sales team for details.
3.How do your products compare to your competitors?
Our products have unique features such as energy saving customisable frequencies to meet the needs of a variety of customers. The sales team can be contacted to learn more.
4.How do you guarantee the quality of your products?
We have strict quality control processes and all our products are certified to international standards.
5.How do your products align with current market trends?
Our products are designed with the latest market trends and customer preferences in mind, and we offer a frequency customisation service, recommending matching products based on the customer's actual application to ensure high demand and relevance.
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