January 01, 2011
Bomar Crystal launches new and improved web site to facilitate the needs of High Tech Developers and suppliers alike. Bomar Crystal has agents and resellers throughout the country with its main manufacturing facility and warehouse in Middlesex, New Jersey. American made for the highest quality with world class personable support.
Jan 10, 2000
Bomar Crystal Certifies that all SMD crystals, SMD Oscillators, TCXO, OCXO, VCXO, VCTCXO, Clock Oscilator and Quartz Crystal products meet the European Union Initiative for RoHS Compliance

Made in
the USA
Bomar Crystal
201 Blackford Avenue Middlesex, NJ 08846
6.0 X 3.5 X 1.0 mm.
The BC26 and BC27 crystal is an ultra miniature package with size of 6.0 3.5 1.0mm. With its ceramic base and metal cover it provides the durability and reliability necessary for strenuous process like infrared and vapor phase reflow. Features
| Parameter | Symb | Condition | Min | Typ | Max | Units |
| Frequency Range | Fo | - | 10.000 | - | 80.000 | MHz |
| Frequency Tolerance at 25º |
F/ Fo |
At 25 ºC | 10 |
30 |
50 |
ppm |
| Temperature Stability | Tc | REF TO 25ºC | 10 |
30 |
50 |
ppm |
| Operating Temperature Range |
TOPR | - | -20* | - | +70* | ºC |
| Storage Temperature Range |
TSTG | - | -40 | - | +85 | ºC |
| Shunt Capacitance | Co | - | - | - | 7 | pF |
| Load Capacitance | CL | Customer Specified | 10 | - | Series | pF |
| Insulator Resistance | IR | 100 VDC | 500 | - | - | M Ω |
| Drive Level | DL | - | - | 10 | 100 | μW |
| Aging (at 25ºC) | Fa | AT 25ºC, per year | -5.0 | - | +5.0 | ppm |
*Operating temperature range: -40ºC to +85ºC option Equivalent Series Resistance (ESR) & Mode of Vibration (Mode)
| Frequency Range | Max ESR (Ω) | Mode |
| 10.000MHz to 10.999MHz | 100 | Fundamental |
| 11.000MHz to 11.999MHz | 80 | Fundamental |
| 12.000MHz to15.999MHz | 60 | Fundamental |
| 16.000MHz to 39.999MHz | 40 | Fundamental |
| 40.000MHz to 80.000MHz | 70 | 3rd Overtone |
Mechanical Dimensions (mm)
| BC26 | BC27 |
![]() Note: Pin#2 and #4 are connected through cover, in case connected to GND. frequency might be drifted. |
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