Crystal Units
- 14 -
12A_0906_NX2520SA_e
NX2520SA
For Mobile Communications/ Short-range Wireless
A small surface-mount type crystal unit , suited for mobile communications
such as the base clock of mobile phone handsets.
●Compact and thin. (2.5 × 2.0 × 0.5 mm typ.)
●Excellent environmental performance and heat resistance.
●Lead-free. Meets the requirements for re-ow proling using lead-free solder.
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Features
Item
Model
NX2520SA
Nominal frequency 16 to 54 MHz
Overtone order Fundamental
Frequency tolerance (25 ±3 °C) ±10 × 10
−6
Frequency versus temperature characteristics (with reference to +25 °C) ±10 × 10
−6
Operating temperature range −20 to +75 °C
Storage temperature range −40 to +85 °C
Equivalent series resistance Refer to *1
Level of drive 10 μW (Max. 100 μW)
Load capacitance 8 pF
The above specications are standard for this NDK product.
Custom-made specications such as load capacitance and temperature characteristics are also available.
Please contact NDK sales with your enquiries.
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Specications
When ordering our products, specify them with an “Ordering Code” that consists of the following :
Model name
-
Frequency (Max : 9 digits)
M -
Number for specifying an order
Example NX2520SA-26.000M-STD-CSX-1
If you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales representatives or visit our homepage
(http://www.ndk.com/).
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How to Specify an Order
*#2 and #4 are connected with a cover.
(Please connect with a GND.)
#4
#1
#3
#2
2.5±0.1
0.50±0.05
#1 #2
#4 #3
1.3
1.7
2.0±0.1
0.8
0.65
1.7
1.3
1.0
1.2
mm
Land pattern (Typical)
Terminal land connections
(TOP VIEW)
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Dimensions
*1 Equivalent Series Resistance
Nominal frequency
(MHz)
Equivalent Series
Resistance max. [Ω]
16 to 20 80
20 to 30 60
30 to 35 50
35 to 54 40
