NDK NX1255GB

Crystal Units
NX1255GB
For Car Electronics
n Features
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.)
lStable start-up characteristic even under extremely severe environmental conditions.
lExcellent environmental characteristics, including heat, vibration and shock resistance.
lCompatible with low frequencies starting from 3.5MHz.
lLead-free. Meets the requirements for re-flow profiling using lead-free solder.
lConforms to AEC-Q200.
n Specifications
Model
Item
NX1255GB
Frequency Range
3.5 to 25MHz
Overtone Order
Fundamental
Frequency Tolerance (25 ±3℃)
±50 × 10−6
Temperature Characteristics (with reference to +25°C)
±150 × 10−6
−40 to +125℃
Operating Temperature Range
Refer to *1
Equivalent Series Resistance
50μW(Max:500μW)
Drive Level
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.
n How to Specify an Order
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/).
n Dimensions
*1 Equivalent Series Resistance
mm
Internal connections(TOP VIEW)
11.8±0.15
#3
5.5 ±0.15
#4
Equivalent Series
Resistance max.[Ω]
3.5 to 4
200
4 to 8
180
8 to 12
120
12 to 25
80
#2
2.5±0.15
#1
Frequency (MHz)
(Range)
5.08
#2
4.4
1.5
#1
2.4
2.2
Reference land pattern
2.0
#4
#3
5.08
cu38_071108_NX1255GB_e1