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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 CRYSTALS
ø 0.35 ± 0.05
8.0 Max.
12 Min.
3.1 Max.
3.75 ± 0.2
7.8 Max.
ø 0.35 ± 0.05
5.8 Max.
18 Min.
3.1 Max.
3.75 ± 0.2
7.8 Max.
ø 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 (@ +25˚C) See Table 1
FREQUENCY-TEMPERATURE TOLERANCE (@ +25˚C) See Table 2
OPERATING TEMPERATURE RANGE TOPR See Table 2
STORAGE TEMPERATURE RANGE TSTG -40 ~ +90˚C
LOAD CAPACITANCE (CL) 10pF – Series (Customer Specified)
SHUNT CAPACITANCE (C0) 7 pF max.
DRIVE LEVEL (DL) 500 µW max.
CRYSTAL CUT AT-cut
TABLE 2 FREQUENCY-TEMPERATURE TOLERANCE (@ +25˚C)
Tolerance (x 10-6)
FREQUENCY ±3.0 ±5.0 ±7.5 ±10 ±15 ±20 ±30
0 ~ +50˚C ❍❍❍❍
-10 ~ +60˚C ❍❍
●
❍
-20 ~ +70˚C ❍❍ ❍❍
-30 ~ +75˚C ❍❍❍
-30 ~ +80˚C ❍❍
●
-35 ~ +80˚C ❍❍
-40 ~ +85˚C ❍❍
TABLE 1 FREQUENCY TOLERANCE (@ +25˚C)
Tolerance (x 10-6)
±10 ±15 ±20 ±30 ±50
●●
❍❍❍
TABLE 3 EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
ESR (Ω)
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.
●
recommended
❍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.
