Product Overview
The CHANGXING ELECTRONICS CO.,LTD. 9ESC270C0033L is a 5.0x3.2mm SMD Crystal Oscillator from the 9E Series, featuring CMOS output. This seam-sealed clock crystal oscillator unit offers high precision across a wide frequency range and is designed for automatic mounting and reflow soldering. It provides a Tri-State function, a broad supply voltage range of 1.8V to 5.0V, high stability, low jitter, and low power consumption. Ideal for applications in wireless communication sets, PDAs, and DSCs, this product is RoHS Compliant and Pb Free.
Product Attributes
- Brand: CHANGXING ELECTRONICS CO.,LTD.
- Series: 9E Series
- Product Model: 9ESC270C0033L
- Origin: Fujian, China
- Certifications: RoHS Compliant / Pb Free
- Output Type: CMOS
- Package Type: SMD
Technical Specifications
| Specification | Value | Unit |
|---|---|---|
| Nominal Frequency | 27.000000 | MHz |
| Tolerance @ 25 Degree | 10 | ppm |
| Stability over Operation Temp. | 20 | ppm |
| Operating Temperature Range | -40 to 85 | |
| Storage Temperature Range | -55 to 125 | |
| Supply Voltage (Vdd) | 1.8 to 5.0 | Vdc |
| Supply Current (Icc) | 5 | mA max |
| Standby current (1.8V~3.3V) | 50 | A max |
| Phase Jitter (12KHz 20MHz) | 5 | ps max |
| Rise/Fall Time | 15 | ns max |
| Start-up Time | 10 | ms max |
| Output Load | 10 | pF max |
| Fundamental Oscillation mode | CMOS | |
| Output State Control | Enable/disable | |
| Enable Voltage High | 70%Vdd | min |
| Disable Voltage Low | 30%Vdd | max |
| Output Voltage VOL | 10%VDD | max |
| Output Voltage VOH | 90%VDD | min |
| Output Symmetry | 3 | % |
| Aging | 3 | ppm/year |
| Dimensions | 5.0 x 3.2 x 1.2 | mm |
Reflow Condition
Temperature profile for reflow soldering:
Pre-heating zone 1: 150180, 9030s.
Soldering zone: 230 or more, 3010s.
Peak: 250+50.
Soldering iron method:
Bit temperature: 35010.
Application time of soldering iron: 31 s.
Material Composition Declaration
| No. | Name of Part | Material Name | Constituent name | CAS No. | Material Analysis (%) |
|---|---|---|---|---|---|
| 1 | Base | Ceramics | Al2O3 | 1344-28-1 | 63.88% |
| SiO2 | 14464-46-1 | 3.79% | |||
| Cr2o3 | 1308-38-9 | 1.29% | |||
| Mo | 7439-98-7 | 1.00% | |||
| Fe | 7440-33-7 | 9.25% | |||
| Ni | 7439-89-6 | 8.85% | |||
| Co | 7440-02-0 | 4.75% | |||
| Ag | 7440-48-4 | 2.98% | |||
| Cu | 7440-22-4 | 2.80% | |||
| 2 | Metallization | W | 7440-50-8 | 1.04% | |
| Au | 7440-02-0 | 0.24% | |||
| Ni | 7440-57-5 | 0.13% | |||
| 3 | Adhesive Resin | Epoxy | Fe | 7439-89-6 | 54.00% |
| Conductive Resin | Co | 7440-48-4 | 17.02% | ||
| Ni | 7440-02-0 | 28.32% | |||
| Ni () | 7440-02-0 | 0.66% | |||
| 4 | Blank | Quartz | SiO2 | 14808-60-7 | 100.00% |
| 5 | Wire | Gold | Au | 7440-57-5 | 100.00% |
| 6 | IC | Silicon | Silicon | 7440-21-3 | 100.00% |
| 7 | Electrode | Silver | Ag | 7440-22-4 | 100.00% |
| 8 | Pin | Solder | 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% | |||
| Silicone resin | - | 8.62% | |||
| Silica | - | 8.52% | |||
| Petroleum solvents | - | 7.00% | |||
| 9 | Lid | Kovar | 8.00 |
2512081627_CHANGXING-ELECTRONICS-9ESC270C0033L_C48927853.pdf
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