HC-49/US Component Package


Name HC-49/U-S
Synonyms HC49/US, HC-49US, HC49-US
Variants There a four variants for different height sizes (but same PCB pand pattern).
Similar To HC-49/S (though-hole version)
Mounting SMD
Pin Count 2
Pitch 9.5mm
Solderability Easy to solder, as the leads extrude beyond the edge of the package.
Thermal Resistance n/a (this package is used for low power crytals, not normally relevant)
Land Area 57.8mm2 (12.3×4.7mm)
  • A
  • B
  • C
  • D
3D Models
Common Uses
  • Crystals


Common footprint for larger SMD crystals. Internal circuitry is shielded by metal case. Comes in 4 height variants (A, B, C and D). The power consumption of crystals in these package usually ranges from 1nW to 1mW, with a typical value being 50uW.


A photo of the HC-49US component package.
A photo of the HC-49/US component package.


hc49us-component-package-dimensions-land-pattern The dimensions and recommended land pattern for the HC-49/U-S component package.
hc49us-component-package-photo HC-49/US

Posted: April 5th, 2015 at 10:50 am
Last Updated on: April 5th, 2015 at 10:51 am