Frequency (MHz)

(Range)

Equivalent Series

Resistance max.[Ω]

3.5 to 4

4 to 8

8 to 12

12 to 26.5

150

120

80

50

A surface-mount type crystal unit, ideal for OA (office automation) and AV

(audiovisual) applications; compatible with low frequencies.

(NX1255GB : 12.0 × 5.5 × 2.5mm typ.)

Excellent electrical performance, ideal for OA and AV applications.

Excellent environmental characteristics, including heat and shock resistance.

An enriched assortment of frequencies from a low frequency of 3.5MHz.

Lead-free. Meets the requirements for re-flow profiling using lead-free solder.

NX1255GC is a low-height type (1.8mm high), and ideal for PDA applications.

l

l

l

l

l

Example NX1255GB-3.579545M-STD-CSA-1

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

Item

Model

3.5 to 26.5MHz

Fundamental

−10 to +70℃

Refer to *1

50μW(Max:500μW)

12pF

NX1255GB/NX1255GC

NX1255GB / NX1255GC

For OA / AV

cu37_071108_NX1255GB_e1

mm

5.08

2.0

5.08

2.4

#4

#3

#4

#3

#1

#2

#1

#2

11.8±0.15

NX1255GB : H=2.5±0.15

NX1255GC : H=1.8

+0.2

-0.1

Crystal Units

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.

When ordering our products, specify them with an “Ordering Code” that consists of the following :

--

M

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/).

*1 Equivalent Series Resistance

Model name

Frequency (Max : 9 digits)

Number for specifying an order

Reference land pattern

Internal connections(TOP VIEW)