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Specifications
Normal temperature Frequency Tolerance:
±30ppm
Frequency Stability:
±20ppm
Operating Temperature:
-20℃~+70℃
Load Capacitance:
20pF
Frequency:
20.945MHz
Mfr. Part #:
K38209452030
Package:
DT-38
Key Attributes
Model Number:
K38209452030
Product Description
Product Overview
This specification sheet details the KAIYEXIANG Quartz Crystal Resonator, model 3*8/20.945 MHZ. Designed for precise frequency control, this component offers stable performance with a load capacitance of 20PF and a frequency tolerance of 30ppm.
Product Attributes
- Brand: KAIYEXIANG ()
- Origin: Shenzhen, China ()
- Original Model: K38209452030
Technical Specifications
| Parameter | Value | Condition |
| Model Type | 38 | |
| Vibration Mode | Fundamental | |
| Nominal Frequency | 20.945 MHz | |
| Frequency Tolerance | 30ppm | at 252 |
| Temperature Frequency Drift | 20ppm | |
| Load Capacitance | 20 PF | |
| Resonant Resistance | 60 max | |
| Shunt Capacitance | 3.0pF max | |
| Drive Level | 100W | |
| Aging Rate | 3ppmyear | |
| Insulation Resistance | 500M | DC10015V |
| Test Instrument | 250B | |
| Free Fall (Shock) | Frequency deviation 5ppm after 3 drops from 35cm onto 2cm thick board. | |
| Vibration | Frequency variation 20ppm after 30min vibration in X, Y, Z directions (10~55Hz, 0.75mm amplitude). | |
| Temperature Cycling | Appearance without damage. Performance requirements same as vibration. | -10 to +60, 3 cycles (2-3min transition, 30min dwell) |
| Solderability | Tinned area >95%. Performance requirements same as vibration. | Immersion in 2355 solder bath for 20.5 sec (2-3.0mm from lead end) |
| Resistance to Soldering Heat | No abnormalities in appearance. Performance requirements same as vibration. | Immersion in 25010 solder bath for 3.50.5 sec (2-2.5mm from lead end) |
| Low Temperature Resistance | Performance requirements same as vibration. | Stored at -253 for 2 hours, then recovered at room temperature for 2 hours. |
| High Temperature Resistance | Performance requirements same as vibration. | Stored at +702 for 2 hours, then recovered at room temperature for 2 hours. |
| Constant Humidity Heat | Appearance without abnormalities. Performance requirements same as vibration. | Stored at 403, RH932 for 48 hours, then recovered for 2 hours. |
| High Temperature Aging | Frequency change 5ppm, Resistance change 25. | Aged at 1202 for 48 hours, then recovered at room temperature for 2 hours. |
2310101743_KYX-K38209452030_C18209030.pdf
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