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參數(shù)資料
| 型號(hào)： | ECS-FREQ1-20-28ALX |
| 廠(chǎng)商： | ECS INC INTERNATIONAL |
| 元件分類(lèi)： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 3.579545 MHz - 4.999 MHz |
| 封裝： | ROHS COMPLIANT, RESISTANCE WELDED PACKAGE-4 |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 386K |
| 代理商： | ECS-FREQ1-20-28ALX |
17
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
SMD CRYSTALS
9.0
± 0.1
1.2
± 0.1
1.3
± 0.1
(X4)
12.5 max
2.0
REF
4.85
max
H
4
1
3
2
4
1
3
2
The CSM-4AX is a SMD version of the HC-
49US leaded crystal. The CSM-4AX has a case
height of 5 mm maximum in a resistance-weld
metal package. The CSM-4AX is also pin out
compatible with the EPSON MA-506.
FEATURES
Cost effective
Resistance-weld sealing
Extended Temp range available
Tape & Reel (1,000 pcs)
PbFree/RoHS Compliant
CSM-4AX
SMD QUARTZ CRYSTAL
PACKAGE DIMENSIONS (mm)
Figure 1) CSM-4AX- Top, Side and End views
Figure 2) CSM-4AX Internal Connections
* Tighter specifications are available. **Extended temperature range available.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
CONDITIONS
MINIMUM
TYPICAL
MAXIMUM
UNITS
FREQUENCY RANGE
3.579545
70.000
MHz
CALIBRATION TOLERANCE
@ +25C
±30*
PPM
FREQUENCY STABILITY ref @25C
-10 ~ +70C
±50*
PPM
SHUNT CAPACITANCE
7
pF
LOAD CAPACITANCE
CL (Customer Specified)
10
20.0 standard
Series
pF
DRIVE LEVEL
DL
500
W
OPERATING TEMPERATURE
TOPR**
-10
+70
C
STORAGE TEMPERATURE
TSTG
-30
+85
C
AGING CHARACTERISTICS (Per Year)
@ +25C ± 3C per year
±5
PPM
FREQUENCY RANGE (MHz)
MODE OF OSC
MAX ESR Ω
FREQUENCY RANGE (MHz)
MODE OF OSC
MAX ESR Ω
3.579545 ~ 4.999
Fundamental
200
9.000 ~ 12.000
Fundamental
60
5.000 ~ 5.999
Fundamental
150
13.000 ~ 19.999
Fundamental
40
6.000 ~ 6.999
Fundamental
100
20.000 ~ 30.000
Fundamental
30
7.000 ~ 8.999
Fundamental
80
27.000 ~ 80.000
3rd O/T
100
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
2.3
3.5
2.3
9.0
2.2
Figure 3) Land Pattern
Height “H” (max.)
-28AX
5.0 mm
-28ALX
4.0 mm
PART NUMBERING GUIDE “EXAMPLE”
MANUFACTURER
FREQUENCY (4.000 MHz)
LOAD CAPACITANCE*
PACKAGE TYPE
ECS
–
40
–
20
–
28AX
* Load capacitance (xx=xx pF, S=series resonance) Package Type examples (-28AX= 5.0 mm max. height, -28ALX = 4.0 mm max. height)
Note: See Product Selection Guide for additional options including tighter tolerances or extended temperature range.
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