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CT2520DB Datasheet, PDF (1/1 Pages) Kyocera Kinseki Corpotation – 2.5×2.0mm for Mobile Communications
Crystal Units with Thermistor
Surface Mount Type CT2520DB
2.5×2.0mm for Mobile Communications
Features
• Reference frequency for
telecommunication systems
• Reflow compatible
• Using ceramic package resulting in high
reliability
Applications
• Mobile Communications, Bluetooth®,
Wireless LAN, GPS
RoHS Compliant
* Bluetooth® Trademarks are owned by
Bluetooth SIG Inc.
How to Order
CT2520DB 19200 □□ □ □ □ □□
①
② ③ ④⑤⑥ ⑦
① Series
② Frequency
③ Load Capacitance
B0 6 pF —
C0 7 pF Std.
④ Frequency Stability
F ±10×10-6 Std.
G ±15×10-6 —
⑤ Operating Temp. Range ⑥ Frequency Temp. Stability
FF -20 to +70°C
LJ -30 to +85°C
±10×10-6
—
±15×10-6
—
⑦ Individual Specification
Packaging (Tape & Reel 12000 pcs./ reel)
Specifications
Item
Symbol Specification
Frequency Range f_nom 16000 to 60000
Overtone Order
OT Fundamental
Load Capacitance CL 7
Frequency Stability
f_tol
±10
Motional Series Resistance R1 Table 1
Drive Level
DL 10
Operating Temp. Range T_use -30 to +85
Storage Temp. Range T_stg -40 to +105
Frequency Temp. Characteristics f_tem ±12
Thermistor Resistance ― Table 2
Thermistor B-Constant ― Table 3
• Please contact us for other specifications.
Units
Remarks
kHz
―
pF
×10-6 25°C±3°C
ohm
μW 100μW max.
°C
°C
×10-6 Freq. deviation from the value at 25°C
ohm 25°C
K 25°C-50°C
Table1 Motional Series Resistance
Frequency Range Motional Series Resistance
16000 to 19199kHz
100Ω max.
19200 to 25999kHz
80Ω max.
26000 to 29999kHz
60Ω max.
30000 to 60000kHz
50Ω max.
Table 2 Thermistor Resistance
Resistance
Specification
100kΩ
±1%
Table 3 Thermistor B-Constant
B-Constant
Specification
4250K
±1%
Dimensions
#4
#3
#1 2.50±0.10 #2
(Unit: mm) Recommended Land Pattern
0.95
1.00
0.95
#1
4−0.75±0.1
#2
#4 SENSOR #3 HOT
#4
#3
#1 HOT
#2 GND
CONNECTION
(TOP VIEW)
(Unit: mm)