|Place of Origin:||China|
|Certification:||SGS REACH ISO9001:2008|
|Model Number:||49SMD 12.288MHZ|
|Minimum Order Quantity:||1|
|Supply Ability:||1 week|
|Frequency Stability Vs. Temp（FL-T）:||20PPM||Operating Temperature Range (OTR):||-20℃ ~ +70℃|
ultra low frequency oscillator,
gps reference oscillator
12.288MHZ Low Frequency Cystal Oscillator HC - 49SMD PC / PC Peripheral / IT 10PPM 12.288MHZ
1 , Digital audio effects
2 , Network transport ADSL
The clock generator oscillator and clock chip composed of the main board, most of the components on the motherboard, the clock signal provided by the clock generator, clock generator, clock circuit is the core of the motherboard, the motherboard. The motherboard as the heart of the crystal main clock oscillator, crystal oscillator and real-time sound card, NIC crystal.
Operating Temperature Range:
Crystal Frequency & Resistance will be tested under the following conditions,
Unless extra requirments:
standard temperature(25±2℃) after heat balance.
The quartz crystal unit shall be subjected to normal atmospheric conditions for 1hr before being tested.
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.
A. Test surface: 30mm thick hard board;
B. Drop height: 75cm;
C. Drop times: 3 times;
D. Begins to drop posture: the leading end is upward;
E. Initial and final test items: frequency, resistance
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.
|Frequency Tolerance(at25℃)||±10PPm ,±5PPm at25℃+/-2℃|
|Frequency Stability vs. Temp(FL-T)||±10PPm,±20PPm ,±30PPm|
|Operating Temperature range||-20~+70℃ -40~+85℃|
|Storage Temperature range||-45~+80℃|
|Temperature Characteristics||±10PPm ±20PPm|
|Load Capacitance||8 to 20 Pf or Serles|
1. Our products are all original and new from manufacturer. It must be work if the model number is correct.
2. We have advanced testing equipments
3. Get the international standard management sysem ISO9001,RoHS
4. All products before sending client,we make 72 hours aging test
5. We have 180days warranty
6. During the guarantee period, if the items you purchased from our store are out of perfected quality, pls notify us within 3 days after delivery, we will return the new products when we got your message.
4.1.5 Refluence examination
Samples and technical support can be provided free of charge.