Product Overview
The Seam3225 is a high-precision Quartz Crystal Resonator designed for demanding applications requiring high frequency stability and reduced EMI effects. It is an ideal choice for Bluetooth devices, wireless communication sets, DSCs, PDAs, and mobile phones. This product is RoHS Compliant and Pb Free, ensuring environmental responsibility.
Product Attributes
- Brand: CHANGXING ELECTRONICS CO.,LTD.
- Origin: Fujian, China
- Product Series: 8D Series / Seam Sealing Crystals
- Certifications: RoHS Compliant / Pb Free
Technical Specifications
| Model | Nominal Frequency (MHz) | Frequency Tolerance ( ppm) | Load Capacitance (pF) | Oscillation Mode | Drive Level (uW) | Aging (1st Year, ppm) | Operating Temperature Range () | Storage Temperature Range () | Shunt Capacitance (pF) | Effective Resistance () | Pulling Sensitivity (ppm/pF) | Insulation Resistance (M) | Spurious Response (dB) | Dimensions (mm) | Reel Quantity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seam3225 4PIN 12.000000MHz 8DSC120G0010L | 12.000000 | 10 (at 25 3) | 10 | Fund | 100 (Max.) | 3 | -40+85 | -55+125 | 5 (Max.) | 80 (Max.) | N/A | 500 (Min. at DC 100V) | -3.0 (Max.) | 3.2 x 2.5 x 0.7 | 3,000 pcs per reel |
Packaging
Standard Reel Quantity: 3,000 pcs per reel (WHITE)
Dimensions
| Dimension | Value (mm) |
|---|---|
| A | 1.400.1 |
| B | 3.400.1 |
| C | 2.700.1 |
| D | 4.000.1 |
| E | 8.00.2 |
| F | 4.000.1 |
| G | 1.550.05 |
| H | 1.750.1 |
| L | 1781.0 |
| L1 | 130.5 |
| W | 11.50.2 |
| W1 | 8.0+1.0 |
Marking
LOGO, MHz, , , ()
Reflow Condition
Standard conditions apply.
Reliability Specifications
Mechanical Endurance: Vibration, Mechanical Shock, Drop Test, Solderability.
Environmental Endurance: High Temp & Humidity, Low Temp. Storage, Temperature Cycle, Pressure Cooker Storage, High Temp. Storage, Fine Leak, Gross Leak Test.
Material Composition Declaration
Product Name: Seam 3225
Product Weight (mg): 17.322
| Part Name | Material Name | Material Mass (mg) | Material Mass (%) | Constituent Name | CAS No. | Material Analysis (%) |
|---|---|---|---|---|---|---|
| Base ( Ceramics) | Al2O3 Aluminum oxide | - | 92.40% | Al2O3 | 1344-28-1 | - |
| SiO2 Silicon oxide | - | 4.31% | SiO2 | 7631-86-9 | - | |
| Cr2o3 Chromium oxide | - | 1.50% | Cr2o3 | 1308-38-9 | - | |
| MgO Magnesium oxide | - | 0.69% | MgO | 1309-48-4 | - | |
| CaO Calcium oxide | - | 1.10% | CaO | 1305-78-8 | - | |
| Electrode () | Metal | - | - | Fe Iron | 7439-89-6 | 40.70% |
| - | - | Ni Nickel | 7440-02-0 | 21.80% | ||
| - | - | Co Cobalt | 7440-48-4 | 12.80% | ||
| - | - | Ag silver | 7440-22-4 | 21.00% | ||
| - | - | Cu | 7440-50-8 | 3.70% | ||
| Metallizing () | W Tungsten | - | 62.50% | W | 7440-33-7 | - |
| Au Gold | - | 4.61% | Au | 7440-57-5 | - | |
| Ni Nickel | - | 32.89% | Ni | 7440-02-0 | - | |
| Fe Iron | - | 47.71% | Fe | 7439-89-6 | - | |
| Cover () | Ni Nickel | - | 26.11% | Ni | 7440-02-0 | - |
| Co Cobalt | - | 15.44% | Co | 7440-48-4 | - | |
| () Ni | Ni Nickel | - | 10.74% | Ni | 7440-02-0 | - |
| Adhesive () | Metal | - | - | Ag Silver | 7440-22-4 | 75.00% |
| - | - | - | 5.00% | |||
| - | - | - | 5.00% | |||
| - | - | - | 15.00% | |||
| Chip () | Quartz | 0.45 | 2.60% | SiO2 Silicon oxide | 14808-60-7 | 100.00% |
| Solder () | Cr Chromium | - | 5.56% | Cr | 7440-47-3 | - |
| Ag Silver | - | 94.44% | Ag | 7440-22-4 | - | |
| Base Material () | 4J29 | 0.20 | 1.15% | - | - | - |
| 0.05 | 0.29% | - | - | - | ||
| 3.62 | 20.91% | - | - | - | ||
| - | - | - | - | - |
2504101957_CHANGXING-ELECTRONICS-8DSC120G0010L_C46613548.pdf
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