HC-49U / T     CRYSTAL UNITS

Features

• Reliable hermetic sealed package
• Wide frequency range
• Available as Through Hole or SMD in T&R (1'000 pcs)

Specification

Typ

HC-49U,  HC-49T  and  HC-49T-SMD

Frequency range

1.0 ~ 30M Hz  (fundamental)
23 ~ 70 MHz  (3^rd OT)
50 ~ 130 MHz  (5^th OT)     100 ~ 225 MHz  (7^th OT)

Vibration mode

AT cut  fundamental,  3^rd,  5^th,  7^th OT

Frequency tolerance (25°C  ±2°)

±10 ~ ± 50 ppm

Freq. stability (Ref. @ +25°C)

± 10 ~ ± 50 ppm
± 10 ppm (-10°~+60°C)            ± 50 ppm (-40° ~ +85°C)

Aging

± 1 ~ ± 3 ppm  1^st year

Operating temperature range

-10° ~ +60°C standard
-40° ~ +85°C on request

Load capacitance

Series resonance  or  Parallel resonance (CL < 32  pF)

Equivalent series resistance

35 ~75 (fundamental)
40 (3^rd OT)      60 (5^th  OT)

Drive Level

0.1 ~ 0.5 mW

Additional specs on request