Pl tronics, Inc.
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
MP49 Crystal
HC-49U Metal Thru-Hole Crystal
Available as Gull Wing SMD or with Pull-Down Pin on Top of Can
Standard Specifications
± 30 PPM is standard, tighter tolerances available
Calibration Frequency Tolerance at 25
°
C
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, see below for tighter tolerances available per OTR options
Drive Level
50
μW
is standard, customer may specify
Aging at 25°C
± 5 PPM per year is standard, customer may specify ± 1 PPM
Shunt Capacitance
7 pF maximum
Temperature Range
Tightest FS
Pullability
± 3 PPM
-10 to +60°C
May be specified by customer in terms of frequency shift required
± 5 PPM
-20 to +70°C
over a certain range of load capacitance
± 10 PPM
-30 to +80°C
(e.g. +100 PPM from CL=12 to CL=18 pF) or as motional capacitance ( f F)
± 20 PPM
-40 to +85°C
Part Numbering Guide
Portions of the part number that appear after the frequency may not
be marked on part (C of C provided)
SR MP49 B E - xx - 70.0M - IN XXX
(Internal Code or blank)
Oscillation
Mode
1.8432 MHz
–
210.00 MHz
ESR Values
Frequency Range
(MHz)
Maximum
ESR (Ohms)
Series
Resonance
Model
Cal Tol / Freq Stability
Blank = 30/50
B = 30/30
C = 15/30
D = 10/20 (consult factory)
Options
IN = Insulator
TR = Paper Tape & Reel
Frequency in MHz
Load Capacitance
Parallel Resonance in pF (
3
10
pF)
Temperature Range & Special Mechanical
Blank: 0 to +70
°
C
E: - 40 to +85
°
C
H: - 20 to +70
°
C
G: Gull Wing Surface Mount Package
L: 3rd Lead (Pull-down pin) on top of can
V: Vinyl Sleeve Insulation
Fundamental
AT Cut
1.8432
3.000
4.000
7.000
10.000
–
–
–
–
–
2.999
3.999
6.999
9.999
37.000
700
150
100
50
25
40
70
100
3rd Overtone
AT Cut
5th Overtone
21.000 – 90.000
60.000 – 150.000
7th Overtone 85.000 – 210.000
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)
.425 (10.8) MAX
not to scale
Gull Wing - MP49G
.435 (11.05) MAX
Solder Pads
.547 (13.9)
.08 (2.0)
.11 (2.9)
.16 (4.0)
.12 (3.0)
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.
.520 (13.21) MAX
Optional 3rd Lead
(MP49L) 1.0 Long
.500 (12.7) MIN
Packaging
Bulk
.019 (0.48) Diameter
.192 (4.88)
.176 (4.47) MAX
.705 (17.9) MAX
.10 (2.5)
.209 (5.3)
.192 (4.88)
.043 (1.1)
.067 (1.7)
July 2006
Pl tronics, Inc.
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
43
Test/Measurement
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