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SSP-T Series
Surface Mount Quartz Crystal Units for Low Frequencies
SSP-T7-F
FEATURES
? Ultra thin type with height 1. mm max.
? SMD type suitable for automatic & high density sur-
face mounting.
? Plastic mold package containing highly reliable tu-
bular 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: 0.1 μ W)
Item
Nominal Frequency
Frequency Tolerance
Turnover Temperature
Parabolic Coefficient
Load Capacitance
Motional Resistance (ESR)
Absolute Maximum Drive Level
Level of Drive
Shunt Capacitance
Frequency Ageing
Operating Temperature
Storage Temperature
Symbol
f_nom
f_tol
Ti
B
C L
R 1
DLmax
DL
C 0
f_age
T_use
T_stg
Specifications
32.768kHz
± 20 x 10 ? 6 , ± 50 x 10 ? 6
+25 ± 5 ° C
( ? 3.5 ± 1.0) x 10 ? 8 / ° C 2
7.0 pF / 12.5pF
65k ? max.
1 μ W
0.1 μ W
0.8pF typ.
± 3 x 10 ? 6
? 40 ° C to +85 ° C
? 55 ° C to +125 ° C
Conditions / Notes
+25 ± 3 ° C, First Year
Piece part basis
DIMENSIONS
SSP-T7-FL / SSP-T7-F
INTERNAL LEAD CONNECTION
SSP-T7-FL / SSP-T7-F
4#
3#
4#
3#
0.1
1#
6.7
7.0 max.
2#
0.1
1#
2#
RECOMMENDED SOLDERING PATTERN
SSP-T7-FL / SSP-T7-F
0.55
1#
0.6
2#
4#
3#
1.2
5.1
1.2
UNIT: mm
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
5
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