Crystal Units
For Mobile Communications / Bluetooth
NX4025DA
Features
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A small surface-mount type crystal unit compatible with mobile phone handsets and
the base clock frequency for Bluetooth.
Ultra compact and thin. (4.0 ꢁ 2.5 ꢁ 0.6mm typ.)
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Frequencies that meet most mobile phone and Bluetooth applications are available.
Excellent electrical performance, ideal for mobile phone handsets and Bluetooth
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applications.
Excellent environmental characteristics, including heat and shock resistance.
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Lead-free. Meets the requirements for re-flow profiling using lead-free solder.
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Pb
Free
Specifications
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Model
NX4025DA
Item
Frequency Range
12 to 32MHz
Overtone Order
Fundamental
−6
Frequency Tolerance (25 3ꢀ)
10 ꢁ 10
10 ꢁ 10
−6
Temperature Characteristics (with reference to +25°C)
Operating Temperature Range
Equivalent Series Resistance
Drive Level
−20 to +75ꢀ
Refer to *1
10μW(Max:100μW)
10pF
Load Capacitance
The above specifications are standard for this NDK product.
Custom-made specifications such as load capacitance and temperature characteristics are also available.
Please contact NDK sales with your enquiries.
How to Specify an Order
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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 NX4025DA-16.000M-STD-CST-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/).
Dimensions
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*1 Equivalent Series Resistance
Frequency (MHz)
Equivalent Series
4.0 0.15
mm
(Range)
Resistance max.[Ω]
12 to 13
13 to 16
16 to 20
20 to 32
80
60
50
40
Internal connections(TOP VIEW)
#4
#3
#1
#2
*#2 and #4 are connected with a cover.
(Please connect with a GND or a power supply.)
Reference land pattern
#1
#2
#3
#4
1.4
3.0
0.9
2.0
2.9
cu26_071108_NX4025DA_e1
