Product Overview
The Seam 3225 4PIN 40.000000MHz Quartz Crystal Resonator is a high-precision, high-frequency stability component designed for applications requiring reduced EMI effects. It is an optimal choice for Bluetooth devices, wireless communication sets, DSCs, PDAs, and mobile phones. This product is RoHS Compliant and Pb Free.
Product Attributes
- Brand: CHANGXING ELECTRONICS CO.,LTD.
- Product Series: 8D Series
- Sealing Type: Seam Sealing
- Compliance: RoHS Compliant / Pb Free
- Crystal Cutting Type: AT CUT (thickness shear mode)
Technical Specifications
| Model | Nominal Frequency (MHz) | Frequency Tolerance ( ppm) at 25 3 | Load Capacitance (pF) | Oscillation Mode | Drive Level (W) | Operating Temperature Range () | Storage Temperature Range () | Shunt Capacitance (pF) | Motional Capacitance (C1) | Effective Resistance (Rr) () | Aging ( ppm/year) 1st Year | Pulling Sensitivity (ppm/pF) | Insulation Resistance (M) | Spurious Response (dB) | Dimensions (mm) (L x W x H) | Reel Quantity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seam3225 4PIN | 40.000000 | 10 | 9 | Fund | 100 Max. | -40+85 | -55+125 | 5 Max. | - | 40 Max. | 3 | - | 500 Min. | -3.0 Max. | 3.400.1 x 2.700.1 x 1.400.1 | 3,000 pcs per reel (WHITE) |
| 8DSC400G0009L | 40.000000 | 30 | - | - | 0.01100W/Step | - | - | - | - | - | - | - | 125 at DC 100V | - | - | - |
Packing & Marking
Packing: EIA-481-2 Standard Reel Quantity 3,000 pcs per reel (WHITE).
Marking: LOGO, Nominal Frequency (MHz), Line Code, Last three digits of Production Batch Number, Year/Month Code (four-year cycle).
Reliability Specifications
Mechanical Endurance: Vibration (10-2000 Hz, 4 hours per axis), Mechanical Shock (1000 G, 0.5ms duration, 3 times per axis), Drop Test (150 cm, 3 times).
Environmental Endurance: High Temp & Humidity (85 3, RH 85%, 500Hrs), Low Temp Storage (-40 3, 500 12 hours), Temperature Cycling (100 cycles), Thermal Shock, Pressure Cooker Storage (125 3, RH100%, 2 bar, 240Hrs), High Temp Storage (125 3, 500 12 hours), Resistance To Soldering Heat (260 5, 10 1 sec), Fine Leak, Gross Leak Test.
Material Composition Declaration
Product Name: Seam 3225
Product Weight: 17.322 mg
| Part Name | Material Name | Material Mass (mg) | Material Mass (%) | Constituent Name | CAS No. | Material Analysis (%) |
|---|---|---|---|---|---|---|
| Ceramics Base | Al2O3 | - | 92.40% | Aluminum oxide | 1344-28-1 | - |
| - | SiO2 | - | 4.31% | Silicon oxide | 7631-86-9 | - |
| - | Cr2o3 | - | 1.50% | Chromium oxide | 1308-38-9 | - |
| - | MgO | - | 0.69% | Magnesium oxide | 1309-48-4 | - |
| - | CaO | - | 1.10% | Calcium oxide | 1305-78-8 | - |
| Metallizing (Metal) | Fe | - | 40.70% | Iron | 7439-89-6 | - |
| - | Ni | - | 21.80% | Nickel | 7440-02-0 | - |
| - | Co | - | 12.80% | Cobalt | 7440-48-4 | - |
| - | Ag | - | 21.00% | Silver | 7440-22-4 | - |
| - | Cu | - | 3.70% | - | 7440-50-8 | - |
| Electrode | W | - | 62.50% | Tungsten | 7440-33-7 | - |
| - | Au | - | 4.61% | Gold | 7440-57-5 | - |
| - | Ni | - | 32.89% | Nickel | 7440-02-0 | - |
| - | Fe | - | 47.71% | Iron | 7439-89-6 | - |
| - | Ni (Plating) | - | 26.11% | Nickel | 7440-02-0 | - |
| - | Co | - | 15.44% | Cobalt | 7440-48-4 | - |
| - | Ni (Plating) | - | 10.74% | Nickel | 7440-02-0 | - |
| Metal | Ag | - | 75.00% | Silver | 7440-22-4 | - |
| - | Crystalline Silicon Dioxide | - | 5.00% | - | - | - |
| - | Petroleum Solvent | - | 5.00% | - | - | - |
| - | Silicone Resin | - | 15.00% | Organic Silicone Resin | - | - |
| Wafer | Quartz | 0.45 | 2.60% | SiO2 | 14808-60-7 | 100.00% |
| - | Cr | - | 5.56% | Chromium | 7440-47-3 | - |
| - | Ag | - | 94.44% | Silver | 7440-22-4 | - |
| Adhesive | - | 0.20 | 1.15% | - | - | - |
| Polymer | - | - | 20.91% | - | - | - |
| Base | 4J29 | 0.05 | 0.29% | - | - | - |
| Solder | - | 3.62 | 2.60% | - | - | - |
| Cover | - | - | 36.95% | - | - | - |
| - | - | - | 23.09% | - | - | - |
2504101957_CHANGXING-ELECTRONICS-8DSC400G0009L_C46613771.pdf
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