|Place of Origin:||China|
|Certification:||SGS REACH ISO9001:2008|
|Model Number:||SMD 3.8*8.0mm|
|Minimum Order Quantity:||1|
|Packaging Details:||3Kor 9K/tape.|
|Supply Ability:||1 week|
|Frequency Stability:||20PPM||Operating Temperature Range:||-20℃ ~ +70℃|
|Shunt Capacitance (C0):||＜1.0pF||Aging Rate A Year:||≤±3ppm/Year|
Epson SMD Tuning Fork Crystal MC-306 32.768khz 3.8*8.0 12.5pf 20ppm
Wide Frequency range
Tape & Reel
Standard Environmental Condition:
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℃
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.
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.
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℃)||±20PPm at25℃+/-2℃|
|Frequency Stability vs. Temp(FL-T)||-0.04×10-6/℃2 Max|
|Operating Temperature range||-20~+70℃ -40~+85℃|
|Storage Temperature range||-45~+80℃|
|Load Capacitance||8 to 20 Pf or Serles|
The Units are measured for its frequency and resistance in accordance
with Table 1 .
Samples and technical support can be provided free of charge.