DS-121 REV C December 1998 1.5
HC-49/U Series
Quartz Crystal
SaRonix
Technical Data
HC-49/U
Frequency Range: 1.8432 MHz to 200 MHz
Description
The HC-49/U Series is an industry stan-
dard AT cut crystal housed in a Mil
standard HC-49/U package.
ACTUAL SIZE
Applications & Features
Package Details
Temperature Range:
Operating:
Storage:
-20 to +70°C (-40 to +85°C available)
-55 to +125°C
Temperature
Stability Tolerance: ±50 ppm from -20 to +70°C
Characteristics at 25°C ±2°C:
±30 ppm (tighter tolerances available)
18 pF to 32 pF or series resonance
700 to 20 ohms (frequency dependent)
0.5mW correlation, 2.0mW maximum operating
7 pF maximum
Frequency Calibration
Tolerance:
Load Capacitance:
Effective Series
Resistance:
Drive Level:
Shunt Capacitance:
Mechanical:
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, Method 215
MIL-STD-202, Method 210, Condition B
Shock:
Solderability:
Terminal Strength:
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
Environmental:
Gross Leak Test:
Fine Leak Test:
Thermal Shock:
Moisture Resistance:
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 1014, Condition A
<5 x 10
-8
ATM cc/sec
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
13.46
.530
12.7
.500
min
4.65
.183
.46
.018
Industry standard package
AT cut performance
Resistance weld seal
•
•
•
Part Numbering Guide
N Y P XXX - XX ( – )
Option
(L)
(N)
(I)
= 3rd lead
= No sleeving*
= Insulating pad
Load Capacitance
(If blank, crystal is
series resonant.)
Type
M = Series
Y = Parallel
Frequency
10.25
.404
max*
max*
*Maximum dimensions include vinyl sleeve
Scale: None ( Dimensions in )
mm
inches
4.0
.157
max*
*Standard parts are covered with vinyl shrink sleeve
unless ordered without and designated (N).
max*
4.88
.192
max*
11.18
.440
SaRonix
141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
