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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Load Capacitance:
20pF
Operating Temperature:
-40℃~+85℃
Equivalent Series Resistance(ESR):
-
Frequency:
24MHz
Mfr. Part #:
8DSC240G0020L
Package:
SMD3225-4P
Key Attributes
Model Number:
8DSC240G0020L
Product Description
Product Overview
The Changxing Seam3225 4PIN 24.000000MHz Quartz Crystal Resonator (Model: 8DSC240G0020L) is a high-precision, high-frequency stability SMD crystal resonator designed for demanding applications. It excels at reducing EMI effects, making it an ideal choice for Bluetooth devices, wireless communication sets, DSCs, PDAs, and mobile phones. This RoHS Compliant / Pb Free product offers reliable performance within a specified operating temperature range.
Product Attributes
- Brand: CHANGXING ELECTRONICS CO.,LTD.
- Product Model: Seam3225 4PIN 24.000000MHz
- Customer Part No.: 8DSC240G0020L
- Product No.: Seam3225
- Series: 8D Series
- Certifications: RoHS Compliant / Pb Free
- Crystal Cutting Type: AT CUT (thickness shear mode)
- Sealing Type: Seam Sealing
- Packaging: EIA-481-2
Technical Specifications
| Parameter | Units | Min. | Max. | Notes |
|---|---|---|---|---|
| Nominal Frequency | MHz | 24.000000 | Fund | |
| Frequency Tolerance at 25 3 | ppm | 10 | ||
| Load Capacitance | pF | 20 | ||
| Operating Temperature | -40 | +85 | ||
| Storage Temperature Range | -55 | +125 | ||
| Frequency Tolerance | ppm | 30 | Over Operating Temp. Range | |
| Aging (1st Year) | ppm | 3 | ||
| Pulling Sensitivity | ppm/pF | 12 | TS | |
| Motional Capacitance | fF | 40 | C1 | |
| Effective Resistance | 100 | Rr | ||
| Shunt Capacitance | pF | 5 | C0 | |
| Drive Level | uW | 100 | ||
| Insulation Resistance | M | 500 | at DC 100V | |
| Spurious Response | dB | -3.0 | ||
| Dimensions (L x W x H) | mm | 3.2 x 2.5 x 0.7 | SMD | |
| Reel Quantity | pcs per reel | 3,000 | (WHITE) |
Dimensions:
| Symbol | Dimension (mm) | Tolerance (mm) |
|---|---|---|
| L | 3.40 | 0.1 |
| W | 2.70 | 0.1 |
| H | 1.40 | 0.1 |
| L1 | 4.00 | 0.1 |
| W1 | 4.00 | 0.11 |
| A | 1.75 | 0.1 |
| B | 1.55 | 0.05 |
| C | 8.0 | 0.2 |
| D | 11.5 | 0.2 |
| E | 13 | 0.5 |
| F | 178 | 1.0 |
| G | 8.0 | +1.0/-0 |
| H | 4.00 | 0.11 |
Marking: LOGO, MHz, , ,
Reflow Condition: CX24.0
Material Composition Declaration:
| Part | Material Name | Material Mass (mg) | Material Mass (%) | Constituent Name | CAS No. | Material Analysis (%) |
|---|---|---|---|---|---|---|
| 1 Base | Ceramics | 15.01 | 87.09% | Al2O3 | 1344-28-1 | 92.40% |
| SiO2 | 7631-86-9 | 4.31% | ||||
| Cr2o3 | 1308-38-9 | 1.50% | ||||
| MgO | 1309-48-4 | 0.69% | ||||
| CaO | 1305-78-8 | 1.10% | ||||
| 2 Cover | Metallizing | 0.45 | 2.60% | |||
| 3 Adhesive | Polymer | |||||
| Silicone resin | 15.00% | |||||
| Petroleum solvent | 5.00% | |||||
| Crystalline silica | 14808-60-7 | 5.00% | ||||
| 4 Electrode | Metal | 20.91 | 121.20% | Fe | 7439-89-6 | 47.71% |
| Ni | 7440-02-0 | 26.11% | ||||
| Co | 7440-48-4 | 15.44% | ||||
| W | 7440-33-7 | 62.50% | ||||
| Au | 7440-57-5 | 4.61% | ||||
| Ni | 7440-02-0 | 32.89% | ||||
| 5 Solder | Metal | 3.62 | 20.91% | Ag | 7440-22-4 | 75.00% |
| Ni | 7440-02-0 | 10.74% | ||||
| Fe | 7439-89-6 | 4.77% | ||||
| 6 Wafer | Quartz | 0.20 | 1.15% | SiO2 | 14808-60-7 | 100.00% |
| Cr | 7440-47-3 | 5.56% | ||||
| Ag | 7440-22-4 | 94.44% |
Reliability Specifications:
1. Mechanical Endurance:
- Vibration: JIS C6701, 10 ~ 2000 Hz, Perpendicular axes each test time 4 hours.
- Drop Test: 150 cm height, 3 times on concrete floor.
- Mechanical Shock: MIL-STD-202F, half sine wave (1000 G), 0.5m sec. duration time, three mutually perpendicular axes each 3 times.
- Resistance To Soldering Heat: MIL-STD-883E, Pre-heat time 60 ~ 120 sec., Test temperature 260 5 , Test time 10 1 sec.
- Solderability: IEC-68-02-27, Flux Rosin resin methyl alcohol solvent (1:4), Immersion time 5 1 seconds.
2. Environmental Endurance:
- High Temp & Humidity: JIS C5023, 85 3, RH 85%, 500Hrs.
- Low Temp. Storage: MIL-STD-883E, -40 3 for 500 12 hours.
- Pressure Cooker Storage: MIL-STD-883E, 125 3, RH 100%, 2 bar, 240Hrs.
- Thermal Shock: MIL-STD-883E, Total 100 cycles of the following temperature cycle: +125 3 for 500 12 hours to -40 3 for 500 12 hours.
- High Temp. Storage: MIL-STD-883E, Pre-heat temperature 125 (Total test time 12 hours).
- Helium Bombing: MIL-STD-883E, 4.5 Kgf / cm2 for 2 hr.
- Gross Leak Test: Standard Sample For Automatic Gross Leak Detector, Test Pressure: 2Kg / cm2.
- Fine Leak: MIL-STD-883E, Amplitude 1.52 mm/20G, Sweep time 20 minute.
2504101957_CHANGXING-ELECTRONICS-8DSC240G0020L_C46613755.pdf
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