SaRonix
Quartz Crystal
HC-49/U
HC-49/U Series
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
Stability Tolerance:
50 ppꢀ ꢁroꢀ -20 to +70°C
Characteristics at 25°C 2°C:
Frequency Calibration
Tolerance:
30 ppꢀ (tighter tolerances available)
18pF to 32pF or series resonance
Load Capacitance:
Eꢁꢁective Series
Resistance:
700 to 20 ohꢀs (ꢁrequency dependent)
Drive Level:
Shunt Capacitance:
0.5ꢀW correlation, 2.0ꢀW ꢀaxiꢀuꢀ operating
7pF ꢀaxiꢀuꢀ
ACTUAL SIZE
Description
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
Shock:
Solderability:
Terꢀinal Strength:
Vibration:
The HC-49/U Series is an industry stan-
dard AT cut crystal housed in a Mil
standard HC-49/U package.
Solvent Resistance:
Resistance to Soldering Heat:
Applications & Features
MIL-STD-202, Method 210, Condition B
• Industry standard package
• AT cut perꢁorꢀance
• Resistance weld seal
Environmental:
Gross Leak Test:
Fine Leak Test:
Therꢀal Shock:
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
Moisture Resistance:
Package Details
Part Numbering Guide
10.25
.404
4.0
max*
.157
max*
N Y P XXX - XX ( – )
13.46
.530
max*
Type
M = Series
Option
(L) = 3rd lead
Y = Parallel
(N)
(I)
= No sleeving
= Insulating pad
*
12.7
.500
.46
.018
Frequency
Load Capacitance
(If blank, crystal is
min
series resonant.)
4.88
.192
11.18
.440
4.65
.183
max*
max*
*Standard parts are covered with vinyl shrink sleeve
unless ordered without and designated (N).
*Maximum dimensions include vinyl sleeve
mm
Scale: None ( Dimensions in
)
inches
DS-121 REV D
SaRonix
141 Jeꢁꢁerson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
