HC49/S Crystal

BC14 - 11.5 x 4.7 x 4.2mm

The HC49/S crystal is a low profile thru hole crystal with an AT-strip crystal blank.  Used in microprocessor, computer and computer peripheral applications.  The HC49/S offers tolerance and stability to ±10ppm and temperature ranges to -40o to +85oC. The HC49/S is available in fundamental and 3rd overtone.


  • Frequency range of 3.000MHz to 150.000MHz
  • High precision and high reliability
  • Microprocessor, computer and computer peripheral applications
  • All products meet the European Union Initiative (RoHS) for lead (Pb) free content and requirements for re-flow profiling using lead-free solder.



Frequency Range 3.000 - 150.000 MHz
Frequency Tol. at 25ºC. ±30ppm - Standard
±10ppm to ±100ppm - Available
Temperature Range
-20o to +70oC. - Standard
-40o to +85oC. - Available
Frequency Stability
±50ppm - Standard
±10ppm to ±100ppm - Available
Load Capacitance 10pF to 100pF or Series Resonant
Shunt Capacitance 7pF max.
Resistance See Below
Aging ±3ppm/1st year max.
Drive Level 1.0mW max.


Contact Us

Bomar Crystal Company
117 William St.
PO Box 10
Middlesex, NJ 08846

+ 1 (732) 356-7787


HC49S crystal

                              Equivalent Series Resistance (ESR)

Frequency MHz Mode HC49/S
3.000-6.000 Fundamental 150 Ohms
6.001-8.000 Fundamental 60
8.001-16.000 Fundamental 50
16.001-54.000 Fundamental 30
24.000-36.000 Third Overtone 100
36.001-150.000 Third Overtone 70