SaRonix
Quartz Crystal
HC-49/U
HC-49/USeries
Technical Data
Frequency Range:
1.8432 MHz to 200 MHz
Temperature Range:
Operating:
Storage:
-20 to +70°C (-40 to +85°C available)
-55 to +125°C
Temperature
StabilityTolerance:
50 ppm ꢀrom -20 to +70°C
Characteristics at 25°C 2°C:
Frequency Calibration
Tolerance:
30 ppm (tighter tolerances available)
18pF to 32pF or series resonance
Load Capacitance:
Eꢀꢀective Series
Resistance:
700 to 20 ohms (ꢀrequency dependent)
DriveLevel:
Shunt Capacitance:
0.5mWcorrelation,2.0mWmaximumoperating
7pFmaximum
ACTUAL SIZE
Description
Mechanical:
Shock:
Solderability:
Terminal Strength:
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2003
MIL-STD-202, Method 211, Conditions A and C
MIL-STD-883, Method 2007, Condition A
MIL-STD-202,Method215
The HC-49/U Series is an industry stan-
dard AT cut crystal housed in a Mil
standard HC-49/U package.
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
Applications & Features
MIL-STD-202, Method 210, Condition B
• Industry standard package
• AT cut perꢀormance
• Resistance weld seal
Environmental:
Gross Leak Test:
Fine Leak Test:
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 1014, Condition A
<5 x 10 ATM cc/sec
-8
Thermal Shock:
Moisture Resistance:
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
Package Details
10.25
.404
4.0
.157
max*
PartNumberingGuide
max*
N Y P XXX - XX ( – )
13.46
.530
max*
Type
M = Series
Y = Parallel
Option
(L) = 3rd lead
(N) = No sleeving*
(I) = Insulating pad
12.7
.500
.46
min
.018
Frequency
Load Capacitance
(If blank, crystal is
series resonant.)
4.88
.192
11.18
4.65
.183
max*
max*
.440
*Standard parts are covered with vinyl shrink sleeve
unless ordered without and designated (N).
*Maximum dimensions include vinyl sleeve
mm
inches
Scale: None ( Dimensions in
)
DS-121 REV C December 1998 1.5
SaRonix 141JeꢀꢀersonDrive • MenloPark, CA94025 • USA • 650-470-7700 • 800-227-8974 • Fax650-462-9894
