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  • HC-49U
HC-49U

HC-49U

The production of HC-49U crystals involves a meticulous process that ensures high quality and reliability. With their wide range of applications and advantages, HC-49U crystals play a crucial role in modern electronics.

该元件是一款采用 HC49U 封装基座的微型 AT 切割条状晶体单元。主要应用于移动通信、Wi-Fi、蓝牙及电信设备等领域。


HC49U 系列元件亦支持第三次泛音模式。

电气性能:电气特性参数均通过 S&A250B 仪器进行测量。

ELECTRICAL CHARACTERISTICS

NO

Item

Requirements

2.1

Center Fequency

24.0000MHz

2.2

Mode of Vibration

AT-FUND CUT

2.3

Adjustment Tolerance

-20/+20 ppm Max  at 25

2.4

Load Capacitance

20 pf

2.5

Equivalent Series' Resistance

30  Ohm Max at 25

2.6

Drive Level

10 uW Max

2.7

Shunt Capacitance

7.0  pf  MAX

2.8

Motional Capacitance


2.9

Operating temperature range

-40~+85

2.10

Frequency stability vs.    operating temperature

±30 PPM at  -20~+70

2.11

Storage Temperature Range

-40~+125

2.12

Insulation Resistance

500 Mohm Min at DC100V±10V

2.13

Aging/year

±5PPM/year Max

2.14

Equipment

KH-1200 PI-Network Crystal Measurement

S&A 4220+KH1200-TS Temp Character' Tester

HC49U Product Dimensions (Unit:mm)

HC49U Product Dimensions.png

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Precautions for storag

Storage of crystal units under higher temperature or high humidity for a long term may affects frequency stability or solderability. Please store the crystal units under the normal temperature and humidity without exposing to direct sunlight and dew condensation, and avoid the storage of crystal units for more than 6 months, and mount them as soon as possible after unpackinge.

 


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