MC-146/6.9x1.4*1.40 mm 7M Series SMD Tuning Fork Crystal

SMD Tuning Fork Crystal
Size: 6.9x1.4*1.40 mm 7M Series SMD Tuning Fork Crystal
Features
•Plastic molded SMD tuning fork crystal of heatresistance.
•High precision and high frequency stability.
•Ultra thin type with height 1.4mm Max.
•Automatic mounting and reflow soldering.
•High reliable environmental performance.
•Applications in PC, gaming equipment, Radio communication, PDA, SmartGrid, etc.
•RoHS Complaint.
Electrical Specifications
Item /Type	.		                7M (7M Series SMD tuning fork crystal)
Frequency Range	                32.768 kHz
Load capactiance	                 12.5pF
Drive level	                                  1.0pW Max.
Frequency tolerance	                  ±20ppm, or specify
Turnover Temperature	                  ±25°C±5°C
Parabolic Coefficient	                   (-0.03510.005)*1 OVC2
Operating temperature range	   -20~+70°C, ±40~+85°C
Storage temperature range	           ±55~+125°C
Aging (at 25°C)	                           ±3ppm at first year
Shunting capacitance	                  0.8pF Typ.
Equivalent Series Resistance(ESR)
            Fundamental
32.768kHz     65 KQ Max.
Remarks 1. Do not connect #2 and #3 to external device and GND.
2. The part of the cylinder inside resin mold may be sometimes exposed, however, it does not affect the
characteristics of crystal unit.
3. Please make sure that there is no pattern under SSP-T7-F on the circuit board.
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