Beijing Silk Road Enterprise Management Services Co., Ltd.
                                                                                                           
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CMOS output crystal oscillator CHANGXING ELECTRONICS 4ESC270C0033L ultra small SMD package with precise frequency stability

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

Product Overview

The CHANGXING 4E Series is an ultra-small SMD seam-sealed crystal oscillator unit designed for IT product applications including WLAN, Bluetooth, DSC, and DSL. This CMOS output oscillator offers a tri-state function and is RoHS Compliant and Pb Free. It is ideal for applications requiring precise frequency control in compact electronic devices.

Product Attributes

  • Brand: CHANGXING ELECTRONICS CO.,LTD.
  • Origin: Fujian, China
  • Product Line: 4E Series
  • Certifications: RoHS Compliant / Pb Free
  • Output Type: CMOS Output
  • Package Type: SMD (Surface Mount Device)
  • Sealing: Seam sealed

Technical Specifications

Specification Value Unit Condition/Notes
Nominal Frequency 27.000000 MHz
Tolerance @ 25 Degree ±10 ppm
Stability over Operation Temp. ±20 ppm -40∼85 °C
Aging ±3 ppm/year
Operating Temperature Range -55 to 125 °C
Storage Temperature Range -40 to 85 °C
Supply Voltage (Vdd) 1.8 to 3.3 Vdc
Supply Current (Icc) 5 mA max
Standby current 10 μA max
Rise/Fall Time 15 ns max
Output Voltage VOL 10% VDD
Output Voltage VOH 70% VDD min
Output Load 10 pF max
Output Symmetry 50 ±10%
Phase Jitter (12KHz – 20MHz) 3 ps max
Start-up Time 5 ms max
Enable Voltage High 70% Vdd min
Disable Voltage Low 30% Vdd max
MSL Level 1 IPC/JEDEC J-STD-033C
Model Number 4ESC270C0033L
Dimensions 2.5 x 2.0 x 0.8 mm SMD
Product Number 2.5x2.0 OSC 27.000000MHz
Base Material Ceramics
Lid Material Kovar
Crystal Material Quartz (Silicon oxide)
Wire Material Gold
IC Material Silicon
Electrode Material Silver
Adhesive Resin Epoxy

Reflow Condition: Peak: 250±50°C; Soldering zone: ≥230°C for 30±10s; Pre-heating zone 1: 150–180°C for 90±30s.

Soldering Iron Method: Bit temperature: 350±10°C; Application time: 3±1s.


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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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