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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Voltage - Supply:
1.8V~3.3V
Operating Temperature:
-40℃~+85℃
Frequency:
20MHz
Mfr. Part #:
4ESC200C0033L
Package:
SMD2520-4P
Key Attributes
Model Number:
4ESC200C0033L
Product Description
Product Overview
The CHANGXING 4E Series is an ultra-small SMD seam-sealed crystal oscillator unit designed for IT products such as WLAN, Bluetooth, DSC, and DSL. It features a tri-state function and is RoHS Compliant and Pb Free. This oscillator operates with CMOS output and is available in a 2.5x2.0mm footprint.
Product Attributes
- Brand: CHANGXING ELECTRONICS CO.,LTD.
- Product Line: 4E Series
- Product Type: SMD Crystal Oscillators
- Output Type: CMOS Output
- Certifications: RoHS Compliant / Pb Free
- Origin: Fujian, China
Technical Specifications
| Specification | Value | Unit | Notes |
|---|---|---|---|
| Nominal Frequency | 20.000000 | MHz | |
| Tolerance @ 25 Degree | 10 | ppm | |
| Stability over Operation Temp. (-55125) | 20 | ppm | |
| Stability over Operation Temp. (-4085) | 3 | ppm/year | |
| Aging | 5010% | % | |
| Operating Temperature Range | -55125 | ||
| Storage Temperature Range | -4085 | ||
| Supply Voltage (Vdd) | 1.83.3 | Vdc | |
| Supply Current (Icc) | 15 | mA max | |
| Standby current | 10 | A max | |
| Output Load | 10 | pF max | |
| Output Symmetry | 5010% | % | |
| Rise/Fall Time | 15 | ns max | |
| Output Voltage VOL | 10%VDD | min | |
| Output Voltage VOH | 90%VDD | min | |
| Enable Voltage High | 70%Vdd | min | |
| Disable Voltage Low | 30%Vdd | max | |
| Start-up Time | 5 | ms max | |
| Phase Jitter(12KHz 20MHz) | 3 | ps max | |
| Output Waveform | CMOS | ||
| Fundamental Oscillation mode | |||
| Output State Control | Enable/disable | ||
| Dimensions (L x W x H) | 2.5 x 2.0 x 0.8 | mm | |
| MSL Level | 1 | IPC/JEDEC J-STD-033C | |
| Product Model | 4ESC200C0033L | ||
| Product Number | 2.5x2.0 OSC 20.000000MHz | ||
| Marking | CX20.0 .**** | (Frequency, Year/Month Code, Batch Code) |
Reflow Condition: Peak: 250+50; Soldering zone: 230 or more, 3010s. Pre-heating zone 1: 150180, 9030s.
Soldering Iron Method: Bit temperature: 35010; Application time: 31 s.
Reliability Specifications:
- Resistance to Soldering Heat: Frequency change 5ppm after test.
- Solderability: Terminals covered >95% with solder.
- Terminal Strength: No visible damages.
- Drop: Frequency change 5ppm after test.
- Vibration: Frequency change 5ppm after test.
- Shock: Frequency change 5ppm after test.
- Humidity: Frequency change 5ppm after test.
- Temperature Cycle: Frequency change 5ppm after test.
- High Temperature Storage: Frequency change 5ppm after test.
- Low Temperature Storage: Frequency change 5ppm after test.
Material Composition Declaration:
| Item | Name of Part | Material Name | Constituent Name | CAS No. | Material Analysis (%) | |
|---|---|---|---|---|---|---|
| 1 | Base (Ceramics) | Al2O3 | Aluminum oxide | 1344-28-1 | 63.88% | |
| SiO2 | Silica | 14464-46-1 | 3.79% | |||
| Cr2o3 | Chromium oxide | 1308-38-9 | 1.29% | |||
| Mo | Molybdenum | 7439-98-7 | 1.00% | |||
| Fe | Iron | 7440-33-7 | 9.25% | |||
| Ni | Nickel | 7439-89-6 | 8.85% | |||
| Co | Cobalt | 7440-02-0 | 4.75% | |||
| Ag | Silver | 7440-48-4 | 2.98% | |||
| Cu | Copper | 7440-22-4 | 2.80% | |||
| 2 | Lid (Kovar) | Metallization | W | Tungsten | 7440-50-8 | 1.04% |
| Au | Gold | 7440-02-0 | 0.24% | |||
| Ni | Nickel | 7440-57-5 | 0.13% | |||
| Fe | Iron | 7439-89-6 | 54.00% | |||
| Co | Cobalt | 7440-48-4 | 17.02% | |||
| Ni | Nickel | 7440-02-0 | 28.32% | |||
| Plate (Ni plating) | Ni | Nickel | 7440-02-0 | 0.66% | ||
| 3 | Adhesive Resin | Epoxy | - | - | 100.00% | |
| 4 | Blank (Quartz) | Silicon oxide | SiO2 | 14808-60-7 | 100.00% | |
| 5 | Wire (Gold) | Gold | Au | 7440-57-5 | 100.00% | |
| 6 | IC Silicon | Silicon | Silicon | 7440-21-3 | 100.00% | |
| 7 | Electrode | Silver | Ag | 7440-22-4 | 100.00% | |
| Solder | Silver | Ag | 7440-22-4 | 74.00% | ||
| Conductive Resin | Ethyl alcohol | 64-17-5 | 0.60% | |||
| Bisphenol A-epichlorohydrin polymer | 25068-38-6 | 0.60% | ||||
| Xylenes (o-, m-, p-isomers) | 1330-20-7 | 0.60% | ||||
| Ethylbenzene | 100-41-4 | 0.06% | ||||
| Silicone resin | - | 8.62% | ||||
| Silica | - | 8.52% | ||||
| Petroleum solvents | - | 7.00% |
2512081627_CHANGXING-ELECTRONICS-4ESC200C0033L_C48927839.pdf
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