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 2C, DL: 0.1W) Item Symbol Specifications Nominal Frequency f_nom 32.768kHz Frequency Tolerance f_tol 20 x 10-6, 50 x 10-6 Turnover Temperature Ti +255C Parabolic Coefficient B (-3.51.0) x 10-8/C2 Load Capacitance CL 7.0 pF / 12.5pF Motional Resistance (ESR) R1 65k max. Absolute Maximum Drive Level Conditions / Notes DLmax 1W DL 0.1W Shunt Capacitance C0 0.8pF typ. Frequency Ageing f_age 3 x 10-6 Operating Temperature T_use -40C to +85C Storage Temperature T_stg -55C to +125C 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# UNIT: mm 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 +253C, First Year 1.2 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