Datasheet

SSP-T Series
Surface Mount Quartz Crystal Units for Low Frequencies
SSP-T7-F
FEATURES
•Ultra thin type with height 1.4mm max.
•SMD type suitable for automatic & high density surface mounting.
•Plastic mold package containing highly reliable tubular type quartz crystal.
•Excellent shock and heat resistance.
•RoHS directive compliant.
APPLICATIONS
Cellular Phones, PDA, DSC, Car Audio, GPS Module,
FM Tuner Module, ZigBee, Glucose Meter, Payment
Terminal, Clock Source for Micro-Computers, Portable
Applications etc.
STANDARD SPECIFICATIONS
Conditions without notice (Temperature: 25± 2°C, DL: 0.1µW)
Item
Symbol
Specifications
Nominal Frequency
f_nom
32.768kHz
Frequency Tolerance
f_tol
±20 x 10−6, ±50 x 10−6
Turnover Temperature
Ti
+25±5°C
Parabolic Coefficient
B
(−3.5±1.0) x 10−8/°C2
Load Capacitance
CL
7.0 pF / 12.5pF
Motional Resistance (ESR)
R1
65kΩ max.
Absolute Maximum Drive Level
Conditions / Notes
DLmax
1µW
DL
0.1µW
Shunt Capacitance
C0
0.8pF typ.
Frequency Ageing
f_age
±3 x 10−6
Operating Temperature
T_use
−40°C to +85°C
Storage Temperature
T_stg
−55°C to +125°C
Level of Drive
DIMENSIONS
SSP-T7-FL / SSP-T7-F
1.5 max.
2#
1#
2#
RECOMMENDED SOLDERING PATTERN
SSP-T7-FL / SSP-T7-F
3#
0.6
2#
0.3
0.6
0.15
0.6
1.05
4#
3#
0.1
1.4 max.
0.3
6.7
7.0 max.
0.55
1#
4#
3#
0.55
0.3
4#
1#
Piece part basis
INTERNAL LEAD CONNECTION
SSP-T7-FL / SSP-T7-F
0.1
+25±3°C, First Year
1.2
UNIT: mm
5.1
1.2
UNIT: mm
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.
Quartz Crystal 2011
www.sii-crystal.com