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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Load Capacitance:
12pF
Operating Temperature:
-40℃~+85℃
Equivalent Series Resistance(ESR):
-
Frequency:
24MHz
Mfr. Part #:
3DSC240G0012L
Package:
SMD2016-4P
Key Attributes
Model Number:
3DSC240G0012L
Product Description
Product Overview
The Changxing Electronics Quartz Crystal Resonator, model 3DSC240G0012L, is an extremely small SMD type crystal unit designed for high precision and frequency stability. It offers excellent heat resistance and environmental characteristics, making it suitable for applications in PDAs, DSCs, DVCs, and PCs. This product is RoHS Compliant and Pb Free.
Product Attributes
- Brand: CHANGXING ELECTRONICS CO.,LTD.
- Product Type: Quartz Crystal Resonator
- Sealing Type: Seam Sealing
- Series: 3D Series
- Compliance: RoHS Compliant / Pb Free
- Crystal Cutting Type: AT CUT (thickness shear mode)
Technical Specifications
| Parameter | Electrical Spec. | Units | Notes |
|---|---|---|---|
| Nominal Frequency | 24.000000 | MHz | at 25 3 |
| Frequency Tolerance | 10 | ppm | at 25 3 |
| Load Capacitance | 12 | pF | |
| Oscillation Mode | Fund | ||
| Drive Level | 100 | uW | Max. |
| Operating Temperature | -40+85 | ||
| Storage Temperature Range | -55+125 | ||
| Aging (1st Year) | 3 | ppm | |
| Effective Resistance (Rr) | 50 | Max. | |
| Motional Capacitance (C1) | - | fF | |
| Shunt Capacitance (C0) | 5 | pF | Max. |
| Pulling Sensitivity (TS) | - | ppm/pF | |
| Insulation Resistance | 500 | M | Min. at DC 100V |
| Spurious Response | - | dB | 10 Max. |
| DLDF | - | ||
| DLD2 | - | ||
| FDLDH | - | ||
| DLDH2 | - | ||
| DLDF | - | ||
| RLD2 | - | ||
| Others | - | ||
| Over Operating Temp. Range | -1000+5000 | ppm | |
| Frequency tolerance | 30 | ppm | |
| Drive Level | 0.0130W/15 steps | ||
| Drive Level | 30100W/10 steps | ||
| Drive Level | 10030W/10 steps | ||
| Drive Level | 300.01W/15 steps | ||
| Drive Level | 0.0130W/15 steps |
Dimensions
Unit: mm
| L | L1 | W | W1 | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1781.0 | 130.5 | 11.50.2 | 8.0+1.0 | 0.650.1 | 2.300.1 | 1.900.1 | 4.000.1 | 8.00.2 | 4.000.1 | 1.55 0.05 | 1.750.1 |
Standard Reel Quantity: 3,000 pcs per reel (WHITE)
Marking
The marking includes:
- Changxing Electronics LOGO
- Nominal Frequency (MHz)
- Line Code
- Last three digits of production batch code
- Year-Month Code (four-year cycle)
Example Marking: CX24.0 ****
Reflow Condition
Pre-heat temperature: 125
Pre-heat time: 60 120 sec.
Test temperature: 260 5
Test time: 10 1 sec.
Packing
Standard Reel Quantity: 3,000 pcs per reel (WHITE)
Reliability Specifications
1. Mechanical Endurance
- Shock Test: 150g/150cm Height, 3 times in the direction of X, Y, Z on concrete floor (IEC-68-02-27)
- Vibration: Amplitude 1.52 mm/20G, Sweep time 20 minute (MIL-STD-202F)
- Mechanical Endurance: Device are shocked to half sine wave (1000 G) three mutually perpendicular axes each test time 4 hours (MIL-STD-883E)
- Drop Test: 150 cm height, 3 times on concrete floor (MIL-STD-202F)
2. Environmental Endurance
- Resistance To Soldering Heat: Pre-heat temperature 260 5, Immersing depth 0.5 mm minimum, Immersion time 5 1 seconds (JIS C6701)
- High Temp. Storage: + 125 3 for 500 12 hours (JIS C6701)
- Low Temp. Storage: - 40 3 for 500 12 hours (MIL-STD-883E)
- Thermal Shock: Total 100 cycles of the following temperature cycle (+ 125 3 to -40 3 ) (MIL-STD-883E)
- Pressure Cooker Storage: 125 3 , RH100% , 2 bar , 240Hrs (JIS C6701)
- High TempHumidity: 85 3 , RH 85% , 500Hrs (JIS C5023)
- Fine Leak: Standard Sample For Automatic Gross Leak Detector, Test Pressure: 2Kg / cm2 (Total test time 12 hours) (MIL-STD-883E)
- Gross Leak: Helium Bombing 4.5 Kgf / cm2 for 2 hr (MIL-STD-883E)
- Solderability: Flux Rosin resin methyl alcohol (1 : 4) (MIL-STD-883E)
Material Composition Declaration
| No. | Name of Part | Material Name | Material Mass(mg) | Material mass (%) | Constituent name | CAS No. | Material Analysis(%) |
|---|---|---|---|---|---|---|---|
| 1 | Base | Ceramics | 2.153 | 35.04% | Al2O3 | 1344-28-1 | 92.40% |
| SiO2 | 14808-60-7 | 4.30% | |||||
| Cr2o3 | 1308-38-9 | 1.51% | |||||
| MgO | 1309-48-4 | 0.69% | |||||
| CaO | 7439-98-7 | 1.09% | |||||
| KV | 0.877 | 14.28% | |||||
| 1.490 | 24.25% | Fe | 7439-89-6 | 40.70% | |||
| Ni | 7440-02-0 | 21.79% | |||||
| Co | 7440-48-4 | 12.78% | |||||
| Ag | 7440-22-4 | 21.02% | |||||
| Cu | 7440-50-8 | 3.71% | |||||
| 2 | Cover | 4J29 | 1.301 | 21.18% | |||
| Metal | W | 7440-33-7 | 86.04% | ||||
| Au | 7440-57-5 | 2.88% | |||||
| Ni | 7440-02-0 | 11.07% | |||||
| Ni | Fe | 7439-89-6 | 47.70% | ||||
| Ni | 7440-02-0 | 26.10% | |||||
| Co | 7440-48-4 | 15.44% | |||||
| Ni | 7440-02-0 | 10.76% | |||||
| 3 | Adhesive | 0.058 | 0.94% | Ag | 7440-22-4 | 75.00% | |
| 5.00% | |||||||
| 5.00% | |||||||
| Silicone resin | 15.00% | ||||||
| 4 | Quartz | SiO2 Silicon oxide | 0.250 | 4.07% | SiO2 Silicon oxide | 14808-60-7 | 100.00% |
| 5 | Electrode | Metal | 0.015 | 0.24% | Cr | 7440-47-3 | 5.56% |
| Ag | 7440-22-4 | 94.44% |
2504101957_CHANGXING-ELECTRONICS-3DSC240G0012L_C46613782.pdf
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