Product Overview
This document outlines the specifications for the CHANGXING ELECTRONICS CO.,LTD. Quartz Crystal Oscillator, specifically the 3.2x2.5mm SMD Crystal Oscillators, CMOS Output / 8E Series. These ultra-small, seam-sealed clock crystal oscillator units are designed for applications in WLAN, Bluetooth, DSC, DSL, and other IT products. They feature a tri-state function and are RoHS Compliant / Pb Free.
Product Attributes
- Brand: CHANGXING ELECTRONICS CO.,LTD.
- Product Series: 8E Series
- Product Type: Quartz Crystal Oscillator
- Output Type: CMOS Output
- Compliance: RoHS Compliant / Pb Free
- Origin: Fujian, China
Technical Specifications
| Specification | Value | Unit | Notes |
|---|---|---|---|
| Nominal Frequency | 50.000000 | MHz | |
| Tolerance @ 25 Degree | 10 | ppm | |
| Stability over Operation Temp. | 20 | ppm | |
| Operating Temperature Range | -4085 | ||
| Storage Temperature Range | -55125 | ||
| Supply Voltage (Vdd) | 1.83.3 | Vdc | |
| Supply Current (Icc) | 5 | mA max | |
| Standby current | 1.8 | A max | |
| Rise/Fall Time | 5 | ns max | |
| Output Load | 15 | pF max | |
| Start-up Time | 10 | ms max | |
| Phase Jitter(12KHz20MHz) | 5010% | ps max | |
| Aging | 3 | ppm/year | |
| Output State Control | Enable/disable | ||
| Enable Voltage High | 70%Vdd | min | |
| Disable Voltage Low | 30%Vdd | max | |
| Output Symmetry | 10%VDD | ||
| Output Voltage VOL | 90%VDD | max | |
| Output Waveform | CMOS | ||
| Fundamental Oscillation mode | Level 1 | ||
| Dimensions | 3.2 x 2.5 x 1.0mm | SMD | |
| Product Number | 8ESC500C0033L | ||
| Product Weight | 29.568 | mg |
Reflow Condition
Soldering profile: Peak: 250+50. Soldering zone: 230 or more, 3010s. Pre-heating zone 1: 150180, 9030s.
Soldering iron method: Bit temperature: 35010. Application time of soldering iron: 3+1 s.
Packing
EIA-481-2 standard packing.
Reliability Specifications
Standard test condition (TEMP.: 2015. Relative humidity: 6520%). For any discrepancy in GO/NG, test will be done at TEMP.252. R.H. 655%.
- Drop: Frequency change after test 5ppm. No visible damages.
- Vibration: Frequency change after test 5ppm. No visible damages.
- Resistance to Soldering Heat: Frequency change after test 5ppm. No visible damages. Terminals shall be covered more than 95% with solder.
- Temperature Cycle: Frequency change after test 5ppm. No visible damages.
- Low Temperature Storage: Frequency change after test 5ppm.
- Humidity: Frequency change after test 5ppm.
- Shock: Frequency change after test 5ppm.
- High Temperature Storage: Frequency change after test 5ppm.
- Solderability: Terminals shall be covered more than 95% with solder. No visible damage.
- Terminal Strength: No visible damages.
Material Composition Declaration
| No. | Name of Part | Material Name | Constituent name | CAS No. | Material Analysis (%) |
|---|---|---|---|---|---|
| 1 | Base | Ceramics | Aluminum oxide | 1344-28-1 | 63.88% |
| Silica | 14464-46-1 | 3.79% | |||
| Chromium oxide | 1308-38-9 | 1.29% | |||
| Molybdenum | 7439-98-7 | 1.00% | |||
| Iron | 7440-33-7 | 9.25% | |||
| Nickel | 7439-89-6 | 8.85% | |||
| Cobalt | 7440-02-0 | 4.75% | |||
| Silver | 7440-48-4 | 2.98% | |||
| Copper | 7440-22-4 | 2.80% | |||
| Metallization | Tungsten | 7440-50-8 | 1.04% | ||
| Gold | 7440-02-0 | 0.24% | |||
| Nickel | 7440-57-5 | 0.13% | |||
| Iron | 7439-89-6 | 54.00% | |||
| Cobalt | 7440-48-4 | 17.02% | |||
| Nickel | 7440-02-0 | 28.32% | |||
| Plate | Nickel (plating) | Nickel | 7440-02-0 | 0.66% | |
| 2 | Lid | Kovar | |||
| Epoxy | Adhesive Resin | - | 100.00% | ||
| Conductive Resin | Silicone resin | - | 8.62% | ||
| Silica | - | 8.52% | |||
| Petroleum solvents | - | 7.00% | |||
| 3 | Blank | Quartz | Silicon oxide | 14808-60-7 | 100.00% |
| 4 | Wire | Gold | Gold | 7440-57-5 | 100.00% |
| 5 | IC | Silicon | Silicon | 7440-21-3 | 100.00% |
| 6 | Electrode | Silver | Silver | 7440-22-4 | 74.00% |
| 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% |
2512081627_CHANGXING-ELECTRONICS-8ESC500C0033L_C48927818.pdf
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