SaRonix
Miniature Quartz Crystal
UM-1(HC-45/U)
UM-1Series
Technical Data
Frequency Range:
6 MHz to 200 MHz
Temperature Range:
Operating:
Storage:
-20°C to +70°C (extended temperature range available)
-55°C to +125°C
Temperature
StabilityTolerance:
50 ppm from -20°C to +70°C
Characteristics at 25°C 2°C:
Frequency Calibration
Tolerance:
50 ppm (tighter tolerances available)
18pF to 32pF or series resonance
Load Capacitance:
Effective Series
Resistance:
DriveLevel:
Shunt Capacitance:
150 to 30 ohms (frequency dependent)
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 UM-1 Series is an AT cut crystal
housed in an industry standard UM-1
package.
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
Applications & Features
MIL-STD-202, Method 210, Condition B
• Industry standard package
• AT cut performance
• 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
7.06
.278
2.3
.091
PartNumberingGuide
max
45N XXX - XX
8.0
.315
max
Type
C (Load Capacitance)*
L
0.35
.014
12.7
.500
min
Frequency Designator
*If no C value specified, crystal is calibrated for series resonance.
L
3.72
.146
8.0
Example: 45N120 (Part marked: 120)
If C value specified, crystal is calibrated for parallel resonance.
3.25
.128
max.
L
max
.315
Example: 45N073-20 (Part marked 073-20)
mm
inches
Scale: None ( Dimensions in
)
DS-122 REV A
March 1995 1.7
SaRonix
141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894