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 1 0 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
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