Datasheet> 器件分类 > 无源元件> 晶体/谐振器> HC49U-BB2518-20.000MHZ

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HC49U-BB2518-20.000MHZ: 产品描述Parallel - 5Th Overtone Quartz Crystal, 20MHz Nom, HC49U, 2 PIN; 产品类别无源元件晶体/谐振器; 文件大小216KB，共2页; 制造商ILSI; 官网地址http://www.ilsiamerica.com; 标准

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HC49U-BB2518-20.000MHZ概述

Parallel - 5Th Overtone Quartz Crystal, 20MHz Nom, HC49U, 2 PIN

HC49U-BB2518-20.000MHZ规格参数

参数名称	属性值
是否Rohs认证	符合
Objectid	145137374272
包装说明	HC49U, 2 PIN
Reach Compliance Code	compliant
其他特性	AT-CUT
老化	5 PPM/YEAR
晶体/谐振器类型	PARALLEL - 5TH OVERTONE
驱动电平	1000 µW
频率稳定性	0.005%
频率容差	50 ppm
负载电容	18 pF
安装特点	THROUGH HOLE MOUNT
标称工作频率	20 MHz
最高工作温度	60 °C
最低工作温度	-10 °C
物理尺寸	11.05mm x 4.65mm x 13.45mm
串联电阻	25 Ω
表面贴装	NO
端子面层	Tin/Copper/Silver - with Nickel barrier

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2 Lead Metal Package Quartz Crystal, 4.7mm x 11mm

HC49U Series

Product Features:

Low Cost

RoHS Compliant

Compatible with Leadfree Processing

Applications:

Fibre Channel

Server & Storage

Sonet /SDH

802.11 / Wifi

T1/E1, T3/E3

System Clock

Frequency

ESR (Equivalent Series Resistance)

1.300MHz – 1.999MHz

2.000MHz – 2.999MHz

3.000MHz – 3.299MHz

3.300MHz – 3.999MHz

4.000MHz – 4.499MHz

4.500MHz – 4.999MHz

5.000MHz – 5.999MHz

6.000MHz – 6.999MHz

7.000MHz – 7.999MHz

8.000MHz – 9.999MHz

10.000MHz – 35.999MHz

25.000MHz – 100.000MHz (3

OT)

70.000MHz – 160.000MHz (5

OT)

Shunt Capacitance

Frequency Tolerance @ +25 C

Frequency Stability over Temperature

Crystal Cut

Load Capacitance

Drive Level

Aging

Operating Temperature Range

Storage Temperature Range

1.300MHz to 160.000MHz

800 Ohms Maximum

500 Ohms Maximum

200 Ohms Maximum

150 Ohms Maximum

100 Ohms Maximum

80 Ohms Maximum

70 Ohms Maximum

50 Ohms Maximum

40 Ohms Maximum

30 Ohms Maximum

25 Ohms Maximum

50 Ohms Maximum

40 Ohms Maximum

7pF Maximum

See Part Number Guide

AT Cut

See Part Number Guide

1mWatts Maximum

5ppm/Year

Maximum

See Part Number Guide

-40°C to +85°C

Dimension Units: mm

Part Number Guide

Package

Tolerance

(ppm) at

Room

Temperature

B = ±50 ppm

F = ±30 ppm

HC49U -

(13.46 mm H)

Sample Part Number:

Stability

(ppm) over Operating

Temperature

B = ±50 ppm

F = ±30 ppm

G = ±25 ppm

H = ±20 ppm

I = ±15 ppm**

J = ±10 ppm**

HC49U - FB1F18 - 20.000 MHz

Operating

Temperature Range

Mode

(overtone)

Load Capacitance

(pF)

Frequency

0 = 0°C to +50°C

1 = 0°C to +70°C

2 = -10°C to +60°C

3 = -20°C to +70°C

5 = -40°C to +85°C

9 = -10°C to +50°C

F = Fundamental

3 = 3

overtone

5 = 5

overtone

18 pF or Specify

- 20.000 MHz

G = ±25 ppm

H = ±20 ppm

I = ±15 ppm

J = ±10 ppm*

* Not available at all frequencies. ** Not available for all temperature ranges.

ILSI America Phone 775-851-8880 ● Fax 775-851-8882 ●email: e-mail@ilsiamerica.com ●

www.ilsiamerica.com

Specifications subject to change without notice

Rev: 12/08/17_B

Page 1 of 2

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