LP21 / LP24 / LP49 Series
Low Profile Crystal
February 2010
• The Pletronics’ LP49 Series is a low profile
thru-hole crystal
• Bulk packaging
• 3 MHz to 70 MHz
• HC-49/US
• AT Cut Crystal
LP21 0.082 (2.10mm) high
LP24 0.100 (2.50mm) high
LP49 0.140 (3.56mm) high
Pletronics Inc. certifies this device is in accordance with the
RoHS (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following:
Cadmium, Hexavalent Chromium, Lead (<1000 ppm), Mercury, PBB’s, PBDE’s
Weight of the Device: 0.62 grams
Moisture Sensitivity Level: 1 As defined in J-STD-020C
Second Level Interconnect code: e1, e2 or e3
Electrical Specification:
Item
Frequency Range
Calibration Frequency Tolerance
Frequency Stability over OTR
Equivalent Series Resistance
(ESR)
Min
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Drive Level
Shunt Capacitance
Aging per year
Specified Temperature Range
Storage Temperature Range
(C0)
-
-
-5
-40
-55
Max
70
-
-
200
150
120
100
80
70
60
50
40
35
100
80
60
1
7
+5
+85
+125
Unit
MHz
ppm
ppm
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
Ohms
mW
pF
ppm
o
o
Condition
AT cut
at +25
o
C + 3
o
C
_
see table on page 3 for
available options
LP49
LP49/LP24
LP49/LP24
LP49/LP24
LP49/LP24
LP49/LP24/LP21
LP49/LP24/LP21
LP49/LP24/LP21
LP49/LP24/LP21
LP49/LP24/LP21
LP49/LP24/LP21
LP49/LP24/LP21
LP49/LP24/LP21
3
rd
Overtone
Fundamental
3 MHz to 4 MHz
4 MHz to 5 MHz
5 MHz to 6 MHz
6 MHz to 7 MHz
7 MHz to 9 MHz
9 MHz to 10 MHz
10 MHz to 13 MHz
13 MHz to 15 MHz
15 MHz to 27 MHz
27 MHz to 30 MHz
27 MHz to 32 MHz
32 MHz to 50 MHz
50 MHz to 70 MHz
use 10 µW for testing
Pad to Pad capacitance
at +25
o
C + 3
o
C
_
see table on page 3 for available options
C
C
Product information is current as of publication date. The product conforms
to specifications per the terms of the Pletronics limited warranty. Production
processsing does not necessarily include testing of all parameters.
Copyright © 2010, Pletronics Inc.
LP21 / LP24 / LP49 Series
Low Profile Crystal
February 2010
AT Cut Crystal Frequency
versus Temperature
Typical Performance:
Deviation (ppm)
160
140
120
100
80
60
40
20
0
-20
-40
-60
-80
-100
-120
-140
-160
-60
-40
-20
0
20
40
o
60
80
100
120
Part Marking:
2xFFFFFPymdz
or
L2xFFFFzywwz
Temperature ( C)
Legend:
2
= Model code for LP49
x
= Capacitance load code from below
FFFFF
= Frequency coded
P or L
= Pletronics
ymd or yww
= Date of Manufacture (year, month and day) or year, week week
All other marking is internal factory codes
Some frequency marking examples: 3.579545M = 03579, 14.31818M = 14181, 24.0M = 24000
Specifications such as frequency tolerance and operating temperature range, etc. are not identified
from the marking. External packaging labels and packing list will correctly identify the ordered
Pletronics part number.
Code
pF
A
B
C
D
8
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
U
V
W
X
Y
10 12 13
15 18 20 22 24 26 28 30 32 34 36 27 series 33 50 19 16 17 14
Codes for Date Code YMD
Code
Year
Code
Month
Code
Day
Code
Day
Code
Day
1
1
D
13
T
25
6
2006
A
JAN
2
2
E
14
U
26
7
2007
B
FEB
3
3
F
15
V
27
8
2008
C
MAR
4
4
G
16
W
28
9
2009
D
APR
E
MAY
5
5
H
17
X
29
0
2010
F
JUN
6
6
J
18
Y
30
1
2011
G
JUL
7
7
K
19
Z
31
H
AUG
8
8
L
20
2
2012
J
SEP
9
9
M
21
K
OCT
A
10
N
22
L
NOV
B
11
P
23
M
DEC
C
12
R
24
www.pletronics.com
425-776-1880
2
LP21 / LP24 / LP49 Series
Low Profile Crystal
February 2010
Part Number:
LP49
-18
-14.31818M
-50
H 1 G G
-XX
See chart below for available options
Internal code or blank
Highest Specified Operating Temperature
A
= 40
o
C
G
= 70
o
C
H
= 75
o
C
B
= 45
o
C
J
= 80
o
C
C
= 50
o
C
o
K
= 85
o
C
D
= 55 C
E
= 60
o
C
F
= 65
o
C
Lowest Specified Operating Temperature
F
= -15
o
C
L
= -40
o
C
A
= +10
o
C
o
o
G
= -20 C
B
= +5 C
H
= -25
o
C
C
= 0
o
C
J
= -30
o
C
D
= -5
o
C
o
K
= -35
o
C
E
= -10 C
Mode:
1
= Fundamental
Frequency Stability
3
=3rd Overtone
See chart below
Calibration Frequency Tolerance
(Typ. Values shown)
15
= + 15 ppm at 25
o
C + 3
o
C
_
_
o
_
20
= + 20 ppm at 25 C + 3
o
C
_
_
30
= + 30 ppm at 25
o
C + 3
o
C (Standard)
_
Frequency in MHz
Cload in pF
Parallel Resonance from
09
to
44
pF or
SR
= Series Resonance
Series Model
Available Frequency Stability versus Temperature in ppm
Operating
Temperature Range
0 to +45 C
0 to +50 C
0 to +60 C
0 to +70 C
-10 to +50 C
-10 to +60
o
C
-10 to +75
o
C
-20 to +70 C
-20 to +75 C
-30 to +75 C
-30 to +80 C
-30 to +85 C
-35 to +80 C
-40 to +85
o
C
o
o
o
o
o
o
o
o
o
o
o
D
CODE
CB
CC
CE
CG
EC
EE
EH
GG
GH
JH
JJ
JK
KJ
LK
+ 10
_
!
!
!
!
!
!
!
!
!
!
!
!
E
+ 15
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
F
+ 20
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
G
+ 30
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
H
+ 50
_
!
!
!
STD
!
!
!
!
!
!
!
!
!
!
J
+ 100
_
!
!
!
!
!
!
!
!
!
!
!
!
!
!
www.pletronics.com
425-776-1880
3
LP21 / LP24 / LP49 Series
Low Profile Crystal
February 2010
Legacy Part Number (not for new designs):
LP49
B
E
-18
-11.0592M
-XX
Internal code or blank
Frequency in MHz
Cload in pF
Parallel Resonance in pF or
SR
= Series Resonance
Operating Temperature Range
Blank = 0 to + 70
o
C (STD)
E
= -40 to +85
o
C
Calibration Tolerance / Frequency Stability
Blank = 30/50 (STD)
B
= 30/30
C
= 15/30
D
= 10/20 (not all frequencies)
Series Model
Reliability: Environmental Compliance
Parameter
Mechanical Shock
Vibration
Solderability
Thermal Shock
Condition
MIL-STD-883 Method 2002, Condition B
MIL-STD-883 Method 2007, Condition A
MIL-STD-883 Method 2003
MIL-STD-883 Method 1011, Condition A
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Courier New
Bar code is 39-Full ASCII
Label is 1" x 2.6" (25.4mm x 66.7mm)
Font is Arial
www.pletronics.com
425-776-1880
4
LP21 / LP24 / LP49 Series
Low Profile Crystal
February 2010
Mechanical:
Inches
A
B
C
D
E
F
G
H LP21
H LP24
H LP49
Contacts (3 types of lead plating used):
Matte Tin (Sn)
Tin over Copper (SnCu)
SAC (SnAgCu)
Not to Scale
0.425 max
0.404
0.192
0.017 dia
0.500 min
0.176 max
0.145
0.082 max
0.100 max
0.140 max
mm
10.80 max
10.26
4.88
0.43 dia
12.7 min
4.47 max
3.68
2.10 max
2.50 max
3.56 max
1
Typical dimensions
Layout and application information
•
•
•
Trace lengths to the crystal should be kept as short as possible.
The crystal connections are sensitive to noise.
The package should be grounded for optimum performance.
www.pletronics.com
425-776-1880
5
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