Crystal Units
For Car Electronics
NX1255GB
Features
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A small surface-mount type crystal unit, ideal for an engine control CPU clock;
delivering the high reliability that is particularly demanded by car electronics.
(NX1255GB : 12.0 ꢁ 5.5 ꢁ 2.5mm typ.)
Stable start-up characteristic even under extremely severe environmental conditions.
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Excellent environmental characteristics, including heat, vibration and shock resistance.
Compatible with low frequencies starting from 3.5MHz.
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Lead-free. Meets the requirements for re-flow profiling using lead-free solder.
Conforms to AEC-Q200.
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Specifications
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Model
NX1255GB
Item
Frequency Range
3.5 to 25MHz
Fundamental
Overtone Order
−6
Frequency Tolerance (25 3ꢀ)
50 ꢁ 10
−6
Temperature Characteristics (with reference to +25°C)
Operating Temperature Range
Equivalent Series Resistance
Drive Level
150 ꢁ 10
−40 to +125ꢀ
Refer to *1
50μW(Max:500μW)
12pF
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 NX1255GB-16.000M-STD-CSS-3
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
mm
(Range)
Resistance max.[Ω]
Internal connections(TOP VIEW)
11.8 0.15
3.5 to 4
4 to 8
8 to 12
12 to 25
200
180
120
80
#4
#3
#1
#2
5.08
Reference land pattern
2.4
2.0
#2
#1
#4
#3
5.08
cu38_071108_NX1255GB_e1
