XT57C
Vishay Dale
Quartz Crystals
FEATURES
• Miniature size: 7.0 x 5.0 x 1.1 (mm)
• Wide frequency range
• Seam sealing
• Emboss taping
• Compliant to RoHS directive 2002/95/EC
The XT57C is a miniature SMD crystal with 7.0 x 5.0 ceramic
package and a height of 1.1 mm maximum. 9.8304 MHz to
100 MHz frequency makes it widely applied in notebook
computer, PCMCIA, and communication equipment.
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
Frequency range
Frequency tolerance
Temperature stability
Operating temperature range
Storage temperature range
Shunt capacitance
Load capacitance
Insulation resistance
Drive level
Aging (first year)
SYMBOL
F
O
ΔF/F
O
T
C
T
OPR
T
STG
C
0
C
L
I
R
D
L
Fa
at 25 °C, per year
customer specified
100 V
DC
at 25 °C
ref. to 25 °C
CONDITION
UNIT
MHz
ppm
ppm
°C
°C
pF
pF
MΩ
μW
ppm
MIN.
9.8304
± 10
± 10
- 10
- 40
-
10
500
-
-5
TYP.
-
± 30
± 30
-
-
-
-
-
100
-
MAX.
100.000
± 50
± 50
+ 60
+ 85
7
series
-
300
+5
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)
FREQUENCY RANGE (MHz)
9.8304 to 15.999
16.000 to 39.999
40.000 to 83.999
84.000 to 100.000
MAX. ESR (Ω)
60
40
60
80
MODE
fundamental
fundamental
3
rd
overtone
3
rd
overtone
DIMENSIONS
in inches [millimeters]
0.276 ± 0.006
[7.00 ± 0.15]
0.039 ± 0.005
[1.0 ± 0.13]
0.047 [1.20]
1
4
2
3
Recommended
Solder
Pattern
0.061 ± 0.005
[1.54 ± 0.13]
0.055
[1.4]
0.087 0.157 0.087
[2.2] [4.0] [2.2]
0.055 [1.4]
0.043 [1.1]
MARKING
AREA
0.197 ± 0.006
[5.0 ± 0.15]
0.181 ± 0.005
[4.60 ± 0.13]
0.043 [1.1 max.]
Note
Pin #2 and pin #4 are connected through cover, in case
connected to
GND.
Frequency might be drifted.
Document Number: 35013
Revision: 18-Oct-07
For technical questions, contact:
frequency@vishay.com
www.vishay.com
1
XT57C
Vishay Dale
ORDERING INFORMATION
XT57C
MODEL
-20
LOAD
blank = series
-20 = 20 pF
-32 = 32 pF
-16 = 16 pF
25M
FREQUENCY/MHz
e4
JEDEC LEAD (Pb)-FREE
STANDARD
Quartz Crystals
GLOBAL PART NUMBER
X
T
5
7
2
LOAD
0
A
PACKAGE
CODE
2
5
FREQUENCY
M
MODEL
GLOBAL PART NUMBERING
X
T
9
S
2
0
A
N
A
4
0
M
MODEL NUMBER
XT9U = XT49U
XT9S = XT49S
XT9SL = XT49SL
XT9M = XT49M
XT9ML = XT49ML
XTU1 = XTUM1
LOAD
CAPACITANCE
18 = 18 pF
20 = 20 pF
NL = series
to be specified by
customer
PACKAGE
CODE
Tape and reel
G = RF5
(XT9U, XT9S,
XT9SL)
H = RF7
(XT9M, XT9ML)
Bulk
A = B04
(all models)
OPTIONS
NA = no additional
options
RR = extended
temperature
of - 40 °C to + 85 °C
Contact factory for
all other options
FREQUENCY
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
2
6
T
T
A
3
2
K
7
6
8
MODEL NUMBER
XT26T = XT26T
XT38T = XT38T
Example: XT26T 32.768K
X
T
5
7
OPERATING
TEMPERATURE
(OTR)
T = - 10 °C to
+ 60 °C
PACKAGE
CODE
Bulk
A = B04
(all models)
FREQUENCY
32K768 = 32.768 kHz
K is used as decimal place holder
in frequency
2
0
A
4
0
M
MODEL NUMBER
XT57 = XT57C
XT46 = XT46C
XT36 = XT36C
LOAD CAPACITANCE
18 = 18 pF
20 = 20 pF
NL = series
to be specified by
customer
PACKAGE
CODE
Tape and reel
H = RF7
Bulk
A = B04
(all models)
FREQUENCY
4M = 4 MHz
40M = 40 MHz
100M = 100 MHz
12M288 = 12.288 MHz
M is used as
decimal place
holder in frequency
Example: XT57C-20 40M
www.vishay.com
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For technical questions, contact:
frequency@vishay.com
Document Number: 35013
Revision: 18-Oct-07
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
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