S a R o n ix
Miniature Quartz Crystal
HC-49, Low Profile, SMD
49SMLB / SAB / SUB / SNC
Technical Data
3.2 MHz to 80 MHz
Frequency Range:
3.2 to 29.999 MHz, AT Fundamental
26.8 to 50.000 MHz, BT Fundamental
30 .0 to 80.000 MHz, AT 3rd OT
Temperature Range:
Operating:
Storage:
-20 to +70°C (-40 to +85°C available)
-55 to +125°C
Frequency
Stability Tolerance:
±50 ppm -20 to +70°C (0 to -100 ppm for BT)
Characteristics at 25°C ±2°C:
Frequency Calibration
Tolerance:
Load Capacitance:
Effective Series Resistance:
Drive Level:
±50 ppm (tighter available)
16pF to 32pF or series resonance
30 to 200Ω (frequency dependent)
25µW correlation, 500µW max
7pF max
ACTUAL SIZE
Description
Shunt Capacitance:
The crystals are miniature AT or BT cut
strip resonators housed in low profile
packagesforsurfacemounting. Theparts
present a proven metal package techno-
logy with a precision molded base and
universal contact configuration.
Mechanical:
Shock:
Solderability:
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
Terminal Strength:
Vibration:
Solvent Resistance:
Resistance to Soldering Heat:
MIL-STD-202, Method 210, Condition I or J
Applications & Features
Environmental:
Gross Leak Test:
Fine Leak Test:
Thermal 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
• Low profile SMD
• AT or BT cut performance
• Resistance weld seal
• 49SNC is interchangable with popular
molded crystal configurations
• Available on tape & reel; 24mm tape,
1000pcs per reel
Moisture Resistance:
Part Numbering Guide:
49 SUB XXX
–
XX (T)
Solder Reflow Guide
(T) = Tape & Reel
full reel increments only
Reflow 240 max
250
Series
4°C/sec max
Cooling
200
150
Preheat 183 ±10°C
Package
SMLB = 2 contact, 4mm height
SAB = 4 contact, 5mm height
SNC = 4 contact, 5mm height
SUB = 6 contact, 5mm height
C
(Load Capacitance)*
L
4°C/sec max
Time
1 – 2 minutes
10 sec max
49SNC
Frequency Designator
B for BT cut, 26.8 to 50 MHz
for AT cut
–
Lead Configurations
49SUB
*If no C value is specified, crystal is calibrated for series resonance.
L
Example: 49SAB120 (Part marked: S120)
4
1
3
2
If C value is specified, crystal is calibrated for parallel resonance.
L
Example: 49SUB073-20 (Part marked: S073-20)
DS-153 REV E
49SMLB
49SAB
S a R o n ix 141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894