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ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
CRYSTALS
0.35
± 0.05
8.0
Max.
12
Min.
3.1
Max.
3.75
± 0.2
7.8 Max.
0.35
± 0.05
5.8
Max.
18
Min.
3.1
Max.
3.75
± 0.2
7.8 Max.
0.35
± 0.05
4.7
Max.
18
Min.
3.75
± 0.2
FEATURES
Cost effective
Excellent aging
Wide frequency range
Low profile
Excellent reliability
Tape and Reel (1,000 pcs)
ECS’s UM 1,5,4 quartz crystals are ideal for use in
compact communication equipment.
UM-1, UM-5, UM-4
QUARTZ CRYSTALS
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PACKAGE DIMENSIONS (mm)
PARAMETERS
UM-1
UM-5
UM-4
FUNDAMENTAL
10.000 ~ 30.000 MHz
FREQUENCY RANGE
3RD OVERTONE
25.000 ~ 90.000 MHz
30.000 ~ 90.000 MHz
FREQUENCY TOLERANCE (@ +25C)
See Table 1
FREQUENCY-TEMPERATURE TOLERANCE (@ +25C)
See Table 2
OPERATING TEMPERATURE RANGE
TOPR
See Table 2
STORAGE TEMPERATURE RANGE
TSTG
-40 ~ +90C
LOAD CAPACITANCE
(CL)
10pF – Series (Customer Specified)
SHUNT CAPACITANCE
(C0)
7 pF max.
DRIVE LEVEL
(DL)
500 W max.
CRYSTAL CUT
AT-cut
TABLE 2 FREQUENCY-TEMPERATURE TOLERANCE (@ +25C)
Tolerance (x 10-6)
FREQUENCY
±3.0
±5.0
±7.5
±10
±15
±20
±30
0 ~ +50C
rr
r
-10 ~ +60C
rr
q
r
-20 ~ +70C
rr
r
-30 ~ +75C
rr
r
-30 ~ +80C
rr
q
-35 ~ +80C
rr
-40 ~ +85C
rr
TABLE 1 FREQUENCY TOLERANCE (@ +25C)
Tolerance (x 10-6)
±10
±15
±20
±30
±50
qq
rr
r
TABLE 3 EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
ESR (
)
NOMINAL
FREQUENCY (MHz)
MODE
UM-1
UM-5, UM-4
10 ~ 15
FUNDAMENTAL
40 max.
50 max.
15 ~ 30
FUNDAMENTAL
25 max.
30 max.
25 ~ 30
3rd
50 max.
60 max.
30 ~ 90
3rd
45 max.
60 max.
12000
64.66
12.80
Figure 1) UM-1 Crystal Unit
Side and Bottom view
Figure 2) UM-5 Crystal Unit
Side and Bottom view
Figure 3) UM-4 Crystal Unit
Side and Bottom view
3.1
Max.
7.8 Max.
q recommended
r available
PART NUMBERING GUIDE “EXAMPLE”
FREQUENCY (16.0000 MHz)
LOAD CAPACITANCE*
PACKAGE TYPE**
ECS
–
160
–
20
–
22
* Load capacitance (xx=xx pF, S= series resonance), ** Package Type examples (22 = UM-1, 21= UM-5, 25 = UM-4)
Note: See Product Selection Guide for additional options.