Product Overview
This product is a SMD CRYSTAL SEAM 3.2*2.5, a fundamental mode oscillator designed for electronic applications. It offers a nominal frequency of 20.000000 MHz with a load capacitance of 7 pF and a drive level of less than 100 uW. Key specifications include a frequency tolerance of -10 to 10 ppm at 25 and a stability over operating temperature of 30 ppm. The device operates within a temperature range of -40 to 85 and has a storage temperature range of -55 to 125. It is RoHS compliant and manufactured by Shenzhen Yajingxin Electron Co.,Ltd.
Product Attributes
- Brand: Shenzhen Yajingxin Electron Co.,Ltd
- Origin: Shenzhen
- Product Name: SMD CRYSTAL SEAM 3.2*2.5
- Customer P/N: N/A
- Revision: A
- RoHS Compliant: Yes
Technical Specifications
| Parameter | Min | Max | Units | Notes |
|---|---|---|---|---|
| Holder Type () | SEAM 3.2*2.5 | |||
| Mode of Oscillation () | Fundamental | |||
| Frequency () | 20.000000 | MHZ | ||
| Load Capacitance (CL) () | 7 | pF | ||
| Drive Level () | 100 | uW | 100 | |
| Equivalent Resistance () | 30 | 30 | ||
| Shunt Capacitance (Co) () | 3 | pF | Max | |
| Motional Capacitance (C1) () | N/A | N/A | fF | |
| Frequency Tolerance at 25 () | -10 | 10 | ppm | |
| Stability over operation temperance () | 30 | ppm | 25 | |
| Insulation Resistance (at DC 100V) () | 500 | M | Min @100V | |
| Operating Temperature Range () | -40 | 85 | ||
| Storage Temperature Range () | -55 | 125 | ||
| Aging () | 3 | ppm/year | ||
| DLD2 | N/A | N/A | ||
| FLD2 | N/A | N/A | ppm | |
| RLD2 | N/A | N/A | ||
| SPDB | N/A | N/A | db | |
| Other () | N/A | N/A |
Suggested Reflow Profile
| Feature | Details | Unit |
|---|---|---|
| Total time (Max.) | 200 | sec. |
| Solder melting point | 220 | |
| Average Ramp-up Rate (Ts max to Tp) | 3 | /second |
| Preheat - Temperature Min (Ts min) | 125 | |
| Preheat - Temperature Max (Ts max) | 200 | |
| Preheat - Time (ts min to ts max) | 60180 | seconds |
| Time maintained above T1 | 60150 | seconds |
| Temperature (T1) | 217 | |
| Peak/Classification Temperature (Tp) | 260 | |
| Time within 5 of actual Peak Temperature (tp) | 2040 | seconds |
| Ramp-down rate (Max.) | 6 | /second |
| Time 25 to Peak Temperature (Max.) | 8 | minutes |
| Suggested reflow times (Max.) | 3 | Times |
2509011105_Yajingxin-YC20MQBCE2X_C51308742.pdf
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