SM12T Crystal
4 Pad 6x3.5mm Surface Mount Crystal (Metal Cover Seam Sealed to Ceramic Base)
Solder Pad Compatible with our SM12H
Standard Specifications
Calibration Frequency Tolerance at 25 C
±30 PPM is standard, tighter tolerances available
Operating Temperature Range (OTR)
0 to +70°C is standard, but can be extended to -40 to +85°C
Frequency Stability (FS) over OTR
± 50 PPM is standard, tighter tolerances available
Drive Level
100 mW is standard, customer may specify
Aging at 25°C
± 5 PPM maximum
Oscillation
Maximum
Frequency Range
10.001 – 11.000
Fundamental
AT Cut
60
11.001 – 12.000
12.001 – 14.000
14.001 – 50.000
50
Part Numbering Guide
Model
Frequency in MHz
SM12T B E - xx - 50.0M - XXX (Internal Code or blank)
Consult factory for available frequencies and specs.
Consult factory for lower ESR
°
Load Capacitance
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
31
Pl tronics, Inc.
Mechanical: inches (mm)
not to scale
Mode
(MHz)
ESR (Ohms)
Not all options available for all frequencies. A special part number may be assigned.
ESR Values
10.001 MHz – 50.000 MHz
Parallel Resonance in pF ( 10 pF)
SR = Series Resonance
40
30
Jan 2005
Solder Pads
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.
MAX
.236
(6.0
±
.2)
.047 (1.2)
.138 (3.5 ± .2)
.055 (1.4)
.079 (2.0)
PLE
.098
(2.5)
PLE
CASE
.043 (1.1)
Pl tronics, Inc.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
.
Portions of the part number that appear after the frequency may not
be marked on part (C of C provided)
Temperature Range
Blank: 0 to +70°C
E: - 40 to +85°C
H: - 20 to +70°C
Cal Tol / Freq Stability
Blank = 50/50
A = 30/50
B = 30/30
C = 15/30
D = 10/20 (consult factory)
Recommend connecting
Case pads to GND
Packaging
16mm tape
8mm pitch