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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.


This part is a miniature AT cut stirp crystal units with HC49U Qua miniature BASE. It is mainly used in mobile, wifi, bluetooth and telecommunications applications.


HC49U  part also support to 3rd overtone type

Electrical Performance. Electrical characteristics measured by S&A250B.

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 CharacterTester



HC49U Product Dimensions (Unit:mm)

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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.

 

HC-49S crystal datasheet


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