Through Hole (THD) Crystal Packages

Overview of through hole(THD) Crystal Packages (through-hole crystal types) from low frequency till high overtone mode and tighter specifications for stability and temperature tolerance.

Model	Frequency Range Mode of operation	Size	Features	Data Sheet
Model	Frequency Range Mode of operation	Size	Features	HC49/U HC49/T HC49/T3	1.8432 MHz ~ 48 MHz Fundamental 26.0 MHz ~ 90.0 MHz 3rd-overtone 80.0 MHz ~ 176.0 MHz 5th-overtone	11.0 x 4.7 x 13.5 mm 11.0 x 4.7 x 11.3 mm 11.0 x 4.7 x 9.5 mm	Wide frequency range High reliability by means of resistance weld hermetic seal Excellent aging characteristics High precision availability Applications: Telecommunication equipment, PC boards...
HC50/U HC50/T HC50/T3	1.8432 MHz ~ 48 MHz Fundamental 26.0 MHz ~ 90.0 MHz 3rd-overtone 80.0 MHz ~ 176.0 MHz 5th-overtone	11.0 x 4.7 x 13.5 mm 11.0 x 4.7 x 11.3 mm 11.0 x 4.7 x 9.5 mm	Wide frequency range High reliability by means of resistance weld hermetic seal Excellent aging characteristics High precision availability Applications: Telecommunication equipment, PC boards...
HC49/US	3.0 MHz ~ 54.0 MHz Fundamental 36.0 MHz ~ 150.0 MHz 3rd-overtone	11.0 x 4.7 x 3.5 mm	Wide frequency range High reliability by means of resistance weld hermetic seal Small size, light weight, 2 pins/ 3pins Tape & Reel available Applications: Computers, modems, microprocessor crystal...
UM-1 UM-5 UM-4	8.0 MHz ~ 70.0 MHz Fundamental 35.0 MHz ~ 200.0 MHz 3rd-overtone	7.8 x 3.3 x 8.0 mm 7.8 x 3.3 x 6.0 mm 7.8 x 3.3 x 4.7 mm	Wide frequency range (8.0 ~ 200 MHz) Excellent frequency temperature characteristics Resistance weld completely sealed type High precision availability Applications: Telecommunication equipments, pagers...
AT26	6.0 MHz ~ 27.0 MHz Fundamental	Cylindrical 2.0 x 6.0 mm	High reliability and good stability Outstanding shock resistance, vibration resistance Cylindrical crystal metal package vacuum sealed Applications: Consumer electronics, Microprocessor clocks...
AT39	4.0 MHz ~ 30.0 MHz Fundamental 30.0 MHz ~ 70.0 MHz 3rd-overtone	Cylindrical 3.2 x 9.2 mm	High reliability and good stability Outstanding shock resistance, vibration resistance Cylindrical crystal metal package vacuum sealed Applications: Consumer electronics, Microprocessor clocks...