描述:kHz Range Crystal Devices
Crystal Units
Surface Mount Type: Tuning Fork ST3215SB
3.2×1.5mm for Consumer/ Mobile Equipment/ Automotive
Features
? Small, Low Prole
? Ceramic Package
? Reow Compatible
? AEC-Q200 qualied
Applications
? Consumer/ Mobile Equipment
? Car navigation system
? Car audio system
How to Order
ST3215SB 32768 □□ □ □ □ □□
① ② ③ ④ ⑤ ⑥ ⑦
① Series ② Frequency
32.768kHz
③ Load Capacitance
H5 12.5 pF Std.
E0 9.0 pF
C0 7.0 pF
B0 6.0 pF
A0 5.0 pF
Z0 4.0 pF
④ Frequency Tolerance
F ±10×10
?6
H ±20×10
?6
⑤ Operating Temp. Range
P ?40 to +85°C
⑥ Frequency Temp. Stability
W ±200×10
?6
⑦ Individual Specication
Packaging (Tape & Reel 3000/ 10000 pcs./ reel)
Speci?cations
Item Symbol Speci?cation Units Remarks
Nominal Frequency f _nom 32.768 kHz
Frequency Tolerance f _tol ±10, ±20 ×10
?6
25°C±3°C
Turnover Temperature Ti +25±5 °C
Parabolic Coef?cient B ?0.04 max. ×10
?6
/ °C
2
Motional Resistance R1 70 max. k-ohm
Motional Capacitance C1 3.7 typ. fF
Shunt Capacitance