15351 West 109
th
Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
PARAMETERS
UM-1
UM-5
UM-4
Frequency Range
Fundamental
10.000 ~ 30.000 MHz
3
rd
Overtone
25.000 ~ 90.000 MHZ
30.000 ~ 90.000 MHz
Frequency Tolerance*
See Table 1
Frequency Temperature Tolerance*
See Table 2
Operating Temperature Range T
OPR
See Table 2
Storage Temperature Range T
STG
-40 ~ +90⁰C
Load Capacitance (C
L
)
10pF – Series (Customer Specified)
Shunt Capacitance (C
O
)
7pF maximum
Drive Level (D
L
)
500 μW maximum
Crystal Cut
AT-Cut
Tolerance ( x 10
-6
)
±10
±15
±20
±30
±50
●
●
○
○
○
FREQUENCY
Tolerance ( x 10
-6
)
±3.0
±5.0
±7.5
±10
±15
±20
±30
0 ~ +50⁰C
○
○
○
○
-10 ~ +60⁰C
○
○
●
○
-20 ~ +70⁰C
○
○
○
○
-30 ~ +75⁰C
○
○
○
-30 ~ +80⁰C
○
○
●
-35 ~ +80⁰C
○
○
-40 ~ +85⁰C
○
○
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
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
UM-1, UM-5, UM-4 Quartz
Crystal
Low Profile
Excellent Aging
RoHS Compliant
Wide Frequency Range
DIMENSIONS (mm)
Continued on Page 2
Request a Sample
TABLE 1 FREQUENCY TOLERANCE (@ +25⁰C)
● recommended
○ available
TABLE 2 FREQUENCY-TEMPERATURE TOLERANCE (@+25⁰C)
15351 West 109
th
Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
NORMAL
FREQUENCY (MHz)
MODE
ESR (Ω)
UM-1
UM-5, UM-4
10 ~ 15
FUNDAMENTAL
40 max.
50 max.
15 ~ 30
FUNDAMENTAL
25 max.
30 max.
25 ~ 30
3
rd
50 max.
60 max.
30 ~ 90
3
rd
45 max.
60 max.
UM-1, UM-5, UM-4
CRYSTAL
DIMENSIONS (mm)
TABLE 3 EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION