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ECS’s UM-1, UM-5, and UM-4 quartz crystals are ideal for use in compact communiation equipment.
UM-1, UM-5, UM-4 CRYSTAL
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UM-1, UM-5, UM-4 Quartz Crystal
Low Profile Excellent Aging RoHS Compliant Wide Frequency Range
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS Frequency Range
Fundamental
3rd Overtone
Frequency Tolerance* Frequency Temperature Tolerance* Operating Temperature Range TOPR Storage Temperature Range TSTG Load Capacitance (CL) Shunt Capacitance (CO) Drive Level (DL) Crystal Cut
UM-1
UM-5 UM-4
10.000 ~ 30.000 MHz
25.000 ~ 90.000 MHZ 30.000 ~ 90.000 MHz
See Table 1
See Table 2
See Table 2
-40 ~ +90⁰C
10pF – Series (Customer Specified)
7pF maximum
500 μW maximum
AT-Cut
TABLE 1 FREQUENCY TOLERANCE (@ +25⁰C)
Tolerance ( x 10-6 ) ±10 ±15 ±20 ±30 ±50
●●○○○
● recommended ○ available
TABLE 2 FREQUENCY-TEMPERATURE TOLERANCE (@+25⁰C)
FREQUENCY
Tolerance ( x 10-6 ) ±3.0 ±5.0 ±7.5 ±.