NX1255GB_1 Datasheet, PDF (1/1 Pages) NIHON DEMPA KOGYO – Crystal Units For Car Electronics

Crystal Units
NX1255GB
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.
For Car Electronics
n Specifications
Item
Model
NX1255GB
Frequency Range
Overtone Order
Frequency Tolerance (25 ±3℃)
Temperature Characteristics (with reference to +25°C)
Operating Temperature Range
Equivalent Series Resistance
Drive Level
Load Capacitance
3.5 to 25MHz
Fundamental
±50 × 10^−6
±150 × 10^−6
−40 to +125℃
Refer to *1
50μW(Max:500μW)
12pF
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
11.8±0.15
Internal connections(TOP VIEW)
#4
#3
mm
#1
#2
*1 Equivalent Series Resistance
Frequency (MHz)
(Range)
3.5 to 4
4 to 8
8 to 12
12 to 25
Equivalent Series
Resistance max.[Ω]
200
180
120
80
5.08
2.0
#1
#2
#4
#3
Reference land pattern
2.4
5.08
cu38_071108_NX1255GB_e1