Household Pierce Gate Oscillator , HC - 49S 10ppm - 20ppm 20PF 8 Mhz Oscillator

Passive Crystal Oscillator HC - 49S 8.000MHz 10ppm - 20ppm 20PF

product application

1 , POS machine

2 , Sound digital effect device

3, Household Electric Appliances

product features

Drive Level Dependence
Temperature-Frequency Characteristics of AT-Type Slice
Spurious Response
Notes on Operation of Quartz Crystal Resonator
Oscillation Circuit
Notes for Ordering
Equivalent Circuit of Crystal Oscillation Circuit
Load Capacitance
Equivalent Circuit

Frequency-Temperature Characteristics

Standard Environmental Condition:

Environmental Temperature:15℃~35℃

Humidity:45%~85%

Atmospheric pressure:86~106KPa

Operating Temperature Range:-20℃~70℃

Crystal Frequency & Resistance will be tested under the following conditions,

Unless extra requirments:

standard temperature(25±2℃) after heat balance.

Storage Temperature Range:-40℃~+85℃

Mechanical test:

The quartz crystal unit shall be subjected to normal atmospheric conditions for 1hr before being tested.

Dropping Test:

The Units are measured for its frequency and resistance in accordance with Table1 & without mechanical damage,after allowing the crystal to fall freely.

From 75 cm of height 3 times on the firmed wood.

Vibration Test:

The Units are measured for its frequency and resistance in accordance with Table 1&without mechanical damage afer subjectiong to 2hrs of vibration with 0.75mm amplitude with 10~55Hz frequency sweep 20 times.

Sealing Tightness:

Find Lead Test:≤1×10^-8atm·cc/S by Helium mass-mass-spectrometer detector,and vacuum and reach 1×10^-3Pa；

Resistance to Soldering Heat:

The Units are measured for its frequency and resistance in accordance with Table 1 after dipping into molten solder with the temperature of 320℃±10℃；For 3~4 secs and at a depth up to a point 2.0mm from the base root.

Product specification

Dimension

Refluence examination

Frequency change:≤±5ppm

product advantage

The new Tianyuan in R & D, design, manufacturing, marketing and service as a whole, have a hundred grade purification workshop. The international advanced automated production lines, special test equipment, the latest technology and professional and technical personnel; has been preparing for the new Tianyuan own industrial park, to further expand the research and production of the higher requirements of the product.

FAQ

Packing

200pcs/bag .

Samples and technical support can be provided free of charge.

     The new Tianyuan is specialized in the quartz crystal, crystal, crystal, a national high-tech enterprise, crystal active components and TFT LCD display R & D, design, manufacturing, marketing and service as a whole, has a thousand grade purification workshop, advanced production equipment, special testing equipment, the latest technology and professional and technical personnel dozens. The products are widely used in security monitoring system, mobile phone, e-book, car audio, car radio, car alarm system, GPS navigation, e-books, tablet computer, digital TV receiver, multimedia communication, clock, computer and other telecom and electronics industry.

      The company since its inception, adhere to the "strategy first, business success, management oriented" business promotion concept, step by step to become the most widely in Shenzhen and similar companies, the industry influential enterprises.