3(8)
Date:2008/12/08
KYOCERA KINSEKI CORPORATION
No. EQM08-5GC-T030881-00
1. APPLICATION
This specification sheet is applied to tuning fork crystal “ST3215SB”.
2. PART NUMBER
ST3215SB32768H5HPWAA
3. RATINGS
Items SYMB. Rating Unit
Operating Temperature Topr -40~+85
deg. C
Storage Temperature range Tstg -45~+85
deg. C
4. CHARACTERISTICS
4-1 ELECTRICAL CHARACTERISTICS
Electrical Specification
Item Symbol
Condition Min Typ. Max Unit
Nominal Frequency fo Ta = 25 deg. C 32.768 kHz
Frequency Tolerance df/fo Ta = 25 deg.C -20 20 ppm
Load Capacitance CL 12.5 pF
Equivalent series resistance R1 Ta= -30…85 deg.C 70
kΩ
Q-Value Q 13000
Motional capacitance C1 3.0 3.7 4.4 fF
Shunt capacitance Co 0.6 0.9 1.2 pF
Turning point Tp 20 25 30 deg. C
Secondary temperature
Coefficient
K -4.0 -3.6 10
-8
/degC
2
Aging df/F Ta = 25 deg. C -3 0 3 ppm/year
Drive level DL 0.1 0.5
μW
Insulation resistance
(between electrodes)
IR Ta = -30 … 85 deg. C 500
MΩ
4-2 MOISTURE SENSITIVITY LEVEL
Level 2
