Achieve precise frequency control with the HC49 crystal. Engineered for stable and reliable performance, this quartz crystal is perfect for timing circuits and frequency-sensitive applications. It delivers exceptional precision and consistency across a wide range of electronic devices.

hc49 crystal 12Mhz datasheet as a representative

SPECIFICATION OF 49S QUARTZ CRYSTAL UNITS

hc49s 12mhz quartz crystal Dimensions: mm

Aging

100ºC±5ºC for 168 hours

SEALING TIGHTNESS

Helium Bombing:0.4~0.5MPa Time:1 hour

High Temp Storage

Temperature: 85℃ ± 5℃ Time 96 hours

SOLDERING HEAT RESISTANCE

Electrical characteristics shall be satisfied. Without distinct looseness of terminals.

Pre-Heating:125℃ 60~120 Seconds Solder temperature: 245± 5℃ Time: 20±5 sec

RELIABILITY

Provided that measurement shall be carried out after letting it alone at room temperature for 1 hour.

DROP TEST

Electrical characteristics shall be satisfied after dropping two times from the

height of 50cm onto the hardWood

VIBRATION

Electrical characteristics shall be satisfied after supplying the following vibration.

a). ENTIRE FREQUENCY RANGE 20 to200Hz, full-wave

b). Sweep/Cycle: 2min

c). Amplitude: (Peak to Peak) 1.5 mm

d). DIRECTION X.Y.Z

e)Duration: 4min,4 times in each direction:48min

Solderability

Temperature: 235±5℃ Time: 10±1 sec

12mhz hc49s Aging

100ºC±5ºC for 168 hours

SEALING TIGHTNESS

Helium Bombing:0.4~0.5MPa Time:1 hour

High Temp Storage

Temperature: 85℃ ± 5℃ Time 96 hours

SOLDERING HEAT RESISTANCE

Electrical characteristics shall be satisfied. Without distinct looseness of terminals.

Pre-Heating:125℃ 60~120 Seconds Solder temperature: 245± 5℃ Time: 20±5 sec

HC49 crystal in SMD pacakge