NR-2B [NDK]

Crystal Units For High Precision Industry; 水晶台高精密工业


型号：	NR-2B
厂家：	NIHON DEMPA KOGYO
描述：	Crystal Units For High Precision Industry 水晶台高精密工业
文件：	总1页 (文件大小：83K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Crystal Units

For High Precision Industry

NR-2C / NR-2B

Features

A highly reliable crystal unit with outstanding frequency stability

and covering a broad frequency range.

The product satisfies strict temperature characteristics standards,

is shock resistant and has excellent frequency reproducibility.

NR-2C

NR-2B

Free

Specifications

Model

NR-2C

NR-2B

Item

10 to 25MHz

45 to 95MHz

80 to 150MHz

5th overtone

10 to 25MHz

25 to 75MHz

3rd overtone

50 to 100MHz

5th overtone

Frequency Range

Overtone Order

Fundamental 3rd overtone

Fundamental

−6

10 ꢀ 10

Frequency Tolerance (25 3℃)

Temperature Characteristics (with reference to +25°C)

Operating Temperature Range

Equivalent Series Resistance

Drive Level

−6

5 ꢀ 10

-10 to +60℃

Refer to *1

Refer to *2

10μW (Max:1000μW)

12pF

Series resonance

Load Capacitance

*1 Equivalent Series Resistance (NR-2C)

*2 Equivalent Series Resistance (NR-2B)

Overtone

Frequency (MHz)

Equivalent Series

Overtone

Frequency (MHz)

Equivalent Series

Order

(Range)

Resistance max.[Ω]

Order

(Range)

Resistance max.[Ω]

10 to 25

25 to 30

30 to 75

50 to 100

10 to 25

45 to 95

80 to 150

Fundamental

3rd overtone

Fundamental

3rd overtone

5th overtone

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

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 NR-2C-10.368M-STD-CMB-4

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

2.20 0.20

NR-2C

NR-2B

6.90 0.20

2.20 0.20

0.05

φ0.35 0.05

3.20max

φ0.35

3.20max