FEATURES
- HIGH RELIABILITY FOR LOW COST / CHEAPEST AVAILABLE CRYSTAL
- 3 PAD PACKAGE FOR GROUNDIG
- LOW PROFILE - 3.2, 3.0 AND 2.5 MM PACKAGE HEIGHTS AVAILABLE
- EXTENDED TEMPERATURE RANGE TO -40/+125°C AVAILABLE
- EXCELLENT CLOCK SIGNAL GENERATOR FOR CPU'S
- VERY SMALL FREQU'ENCY TOLERANCES AVAILABLE
- QUALIFIED FOR QUOTMOTIVE APPLICATIONS
HC-49/US-SMD
4.2 mm max.
3.2 mm max. / 2.5 mm max.
2 = standard package
NUMBER OF LEADS
3 = optional 3rd pad for package grounding
FREQUENCY
3.4875 ~ 40.0 MHz
24.0 ~ 40.5504 MHz
24.0 ~ 75.0 MHz
MODE OF VIBRATION
AT-FUNDAMENTAL
BT-FUNDAMENTAL
3rd OVERTONE
150 ~ 25
Ω
max.
30 ~ 40
Ω
max.
120 ~ 60
Ω
max.
RESONANCE RESISTANCE
+-5 ppm ~ +-50 ppm
FREQUENCY TOLERANCE AT 25°C
0/+50°C ~ -40/+125°C
TEMPERATURE RANGE
0/+50°C
+-3 ppm
0/+50°C / -10/+60°C
+-5 ppm
TEMPERATURE
+-10 ppm
0+50°C / -10/+60°C / 0/+70°C / -20+70°C
STABILITY
+-15 ppm
0+50°C / -10/+60°C / 0/+70°C / -20/+70°C / -40+85°C
OVER
+-20 ppm
0+50°C / -10/+60°C / 0/+70°C / -20/+70°C / -40/+85°C
TEMPERATURE
0+50°C / -10/+60°C / 0/+70°C / -20/+70°C / -40/+85°C
+-30 ppm
RANGE
0+50°C / -10/+60°C / 0/+70°C / -20/+70°C / -40/+85°C / -40/+125°C
+-50 ppm
0+50°C / -10/+60°C / 0/+70°C / -20/+70°C / -40/+85°C / -40/+125°C
+-100 ppm
5 ~ 50 pF or series
LOAD CAPACITANCE
7 pF max.
SHUNT CAPACITANCE
100 µW typical (0.01 mW ~ 1 mW possible)
DRIVE LEVEL
+-3 ~ +-5 ppm per year (+-2 ppm available as option)
AGING
>500 MΩ DC/100V +-10%
INSULATION RESISTANCE
-55/+125°C
STORAGE TEMPERATURE
Tape & Reel (1.000 pcs per reel)
PACKAGE
SMD CRYSTAL IN METAL PACKAGE
STANDARD
PACKAGE HEIGHT
OPTION
PART NUMBERING SYSTEM
EXAMPLE
TYPE
PACKAGE HEIGHT
FREQUENCY
FREQUENCY TOLERANCE AT 25°C
TEMPERATURE STABILITY
TEMPERATURE RANGE
LOAD CAPACITANCE
HC-49/US-SMD 3.2 27.000 MHz 30/50/-40+125/20pF
HC-49/US-SMD = 2 pad standard package
HC-49/US-GSMD = 3 pad for optional grounding function
BLANK FOR 4.2 mm
3.2 or 2.5 mm
IN MHZ
REQUIRED VALUE
REQUIRED VALUE
REQUIRED VALUE
REQUIRED VALUE
REV. 03 /
April 2009
http://www.petermann-technik.com | info@petermann-technik.com
PETERMANN [ PETERMANN-TECHNIK ]
