Pl tronics, Inc.
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
SM
2 or 4 Pad 6x3.5mm Surface Mount Crystal (Ceramic Cover / Ceramic Base)
SM12H Solder Pad Compatible with our SM12T
Standard Specifications
Calibration Frequency Tolerance at 25
°
C
Operating Temperature Range (OTR)
Frequency Stability (FS) over OTR
Drive Level
Aging at 25°C
± 50 PPM is standard, tighter tolerances available
0 to +70°C is standard, but can be extended to -40 to +85°C
± 50 PPM is standard, tighter tolerances available
100
mW
is standard, customer may specify
± 5 PPM maximum
ESR Values
Oscillation
Mode
13.000 MHz
–
120.000 MHz
Part Numbering Guide
Portions of the part number that appear after the frequency may not
be marked on part (C of C provided)
SM12H B E - xx - 70.0M - XXX
(Internal Code or blank)
Frequency Range
(MHz)
SM
Maximum
ESR (Ohms)
Model
SM12H: 4 Pad
SM12H2: 2 Pad
Cal Tol / Freq Stability
Blank = 50/50
A = 30/50
B = 30/30
C = 15/30
D = 10/20 (consult factory)
Frequency in MHz
Load Capacitance
Parallel Resonance in pF (
³
10
pF)
SR = Series Resonance
Temperature Range
Blank: 0 to +70
°
C
E: - 40 to +85
°
C
H: - 20 to +70
°
C
Fundamental
AT Cut
3rd Overtone
AT Cut
13.000 – 20.000
20.001 – 40.000
25.001 – 120.000
12
80
50
100
Sep 2002
SM12H, SM12H2 Crystal
H2
Consult factory for lower ESR
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
Mechanical: inches (mm)
not to scale
Solder Pads
.043 (1.1)
Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.
SM12H
.236 (6.0 ± .2)
GND
.098 (2.5)
PLE
GND
.138
(3.5 ± .2)
SM12H2
.236 (6.0 ± .2)
.043 (1.1)
MAX
Packaging
16mm tape
8mm pitch
.06 (1.4)
PLE
.098 (2.5)
.087 (2.2)
.043 (1.1)
MAX
.09 (2.4)
.138
(3.5 ± .2)
12
.08 (2.0)
H
32
Pl tronics, Inc.
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
PLE
PLE
嵌入式系统
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