Glass Sealed Quartz Crystal Resonator Changxing Electronics 9ASC270G0020L SMD for Frequency Control
Product Overview
The Changxing Electronics 9A Series is a 2-pad SMD glass-sealed quartz crystal resonator designed for automatic mounting and reflow soldering. It offers high reliability, tight tolerance, and stability, making it an ideal choice for portable PCs, PDAs, DSCs, and USB interface cards. The product features a Pb content in sealing glass exempted by RoHS directive, ensuring compliance with environmental standards.
Product Attributes
- Brand: Changxing Electronics
- Product Line: 9A Series
- Type: Quartz Crystal Resonator
- Sealing: Glass Sealed
- Mounting Type: Surface Mount Device (SMD)
- Certifications: RoHS exemption for Pb in sealing glass
- Origin: Fujian, China
Technical Specifications
| Parameter | Model/Value | Notes |
|---|---|---|
| Nominal Frequency | 27.000000 MHz | |
| Product Model | 9ASC270G0020L | |
| Customer Part No. | Glass5032 2PIN | |
| Oscillation Mode | Fund | |
| Crystal Cutting Type | AT CUT (thickness shear mode) | |
| Frequency Tolerance (at 25) | 10 ppm | |
| Frequency Tolerance (Over Operating Temp. Range) | 30 ppm | |
| Load Capacitance | 20 pF | |
| Drive Level | 100 uW | Max. |
| Aging (1st Year) | 3 ppm | Max. |
| Operating Temperature | -40 ~ +85 | |
| Storage Temperature Range | -55 ~ +125 | |
| Effective Resistance (Rr) | 40 | Max. |
| Shunt Capacitance (C0) | 5 pF | Max. |
| Insulation Resistance | 500 M | Min. at DC 100V |
| Pulling Sensitivity (TS) | 20 /ppm | Max. |
| Spurious Response | -3.0 dB | Max. |
| FDLDH | 5 ppm | Max. |
| FDLD | 10 ppm | Max. |
| RLD2 | 40 ppm | Max. |
| DLDF | 10 ppm | Max. |
| DLDH2 | 5 ppm | Max. |
| DLD2 (Low) | 0.0130W/15 steps | |
| Dimensions (L x W x H) | 5.0 x 3.2 x 1.2 mm | |
| Reel Quantity | 1,000 pcs per reel | (WHITE) |
Marking
Changxing Electronics LOGO, Nominal Frequency (MHz), Line Code, Last three digits of Batch Number, Year/Month Code (4-year cycle).
Reflow Condition
Refer to standard reflow soldering profiles for SMD components.
Packing
EIA-481-2 standard reel packaging.
Reliability Specifications
Mechanical Endurance: Mechanical Shock, Vibration, Drop Test.
Environmental Endurance: Resistance To Soldering Heat, Thermal Shock, High Temp. & Humidity, High Temp. Storage, Low Temp. Storage, Gross Leak, Fine Leak, Solderability.
Material Composition Declaration
Contains Pb in sealing glass exempted by RoHS directive.
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