XT49S Datasheet

XT49S
www.vishay.com
Vishay Dale
Low Profile Holder Type Crystal Units
FEATURES
• Low cost
• Industry standard
• Wide frequency range
• Excellent aging
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912


This part is a miniature AT cut strip crystal unit with a low
profile package. It is with resistance weld.
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
Frequency range
CONDITION
FO
UNIT
MIN.
TYP.
MAX.
MHz
3.579545
-
66.000
Frequency tolerance
F/FO
at 25 °C
ppm
-30
-
+30
Temperature stability
TC
ref. to 25 °C
ppm
-50
-
+50
°C
-10
-
+70
Operating temperature range
TOPR
Storage temperature range
TSTG
°C
-55
-
+125
Shunt capacitance
C0
pF
-
-
7
Load capacitance
CL
customer specified
pF
10
-
series
100 VDC
M
500
-
-
μW
-
100
500
ppm
-5
-
+5
Insulation resistance
IR
Drive level
DL
Aging (first year)
Fa
at 25 °C, per year
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)
FREQUENCY RANGE (MHz)
MAX. ESR ()
MODE
FREQUENCY RANGE (MHz)
MAX. ESR ()
MODE
3.579 to 3.999
200
fundamental/AT
10.000 to 13.999
80
fundamental/AT
4.000 to 4.999
150
fundamental/AT
14.000 to 39.999
50
fundamental/AT
5.000 to 5.999
120
fundamental/AT
40.000 to 66.000
80
3rd overtone
6.000 to 9.999
100
fundamental/AT
DIMENSIONS in inches [millimeters]
0.403 [10.24] max.
0.150 [3.81] max.
0.138 [3.5]
max.
0.435 [11.05] max.
0.183 [4.65]
max.
0.500 [12.7]
min.
0.192 ± 0.008
[4.88 ± 0.2]
Revision: 22-Jul-15
Ø 0.017 ± 0.002
[0.43 ± 0.05]
Document Number: 35014
1
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
XT49S
www.vishay.com
Vishay Dale
ORDERING INFORMATION
XT49S
R
-20
SP
12M
e2
MODEL
OTR
blank = standard
R = -40 °C to +85 °C
LOAD
blank = series
-16 = 16 pF
-20 = 20 pF standard
-30 = 30 pF
-32 = 32 pF
OPTIONS
blank = standard
SP = spacer
SL = sleeve
FREQUENCY/MHz
JEDEC® LEAD (Pb)-FREE
STANDARD
GLOBAL PART NUMBER
X
T
9
S
2
MODEL
0
A
LOAD
PACKAGE
CODE
0
A
N
A
1
OPTION
2
M
FREQUENCY
GLOBAL PART NUMBERING
X
T
9
S
MODEL NUMBER
XT9S = XT49S
XT9M = XT49M
XTU1 = XTUM1
2
LOAD
CAPACITANCE
PACKAGE
CODE
18 = 18 pF
20 = 20 pF
NL = series
to be specified by
customer
Tape and reel
H = RF7 (XT9M)
Bulk
A = B04
(all models)
N
A
4
0
M
OPTIONS
FREQUENCY
NA = no additional
options
RR = extended
temperature
of -40 °C to +85 °C
Contact factory for
all other options
4M = 4 MHz
40M = 40 MHz
100M = 100 MHz
12M288 = 12.288 MHz
M is used as
decimal place
holder in frequency
Example: XT49S-20 40M
X
T
3
6
2
0
MODEL NUMBER
LOAD CAPACITANCE
XT46 = XT46C
XT36 = XT36C
18 = 18 pF
20 = 20 pF
NL = series
to be specified by
customer
A
PACKAGE
CODE
Tape and reel
H = RF7
Bulk
A = B04
(all models)
1
2
M
FREQUENCY
4M = 4 MHz
40M = 40 MHz
100M = 100 MHz
12M288 = 12.288 MHz
M is used as
decimal place
holder in frequency
Example: XT36C-20 12M
Revision: 22-Jul-15
Document Number: 35014
2
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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www.vishay.com
Vishay
Disclaimer
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requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
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Revision: 02-Oct-12
1
Document Number: 91000