A-SMD Datasheet, PDF (1/1 Pages) Raltron Electronics Corporation – HIGH ACCURACY SURFACE MOUNT CRYSTALS

HIGH ACCURACY SURFACE MOUNT CRYSTALS
FEATURES
TIGHT TOLERANCE AND STABILITY OVER TEMPERATURE
WIDE FREQUENCY RANGE
EXCELLENT FREQUENCY SOURCE FOR TELECOM APPLICATIONS
SPECIFICATIONS
FREQUENCY RANGE
HOLDER TYPES
FREQUENCY TOLERANCE AT 25° C
A-SMD: HC-49/U-SMD
C-SMD: UM-1 SMD
FREQUENCY STABILITY OVER TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
LOAD CAPACITANCE
AGING PER YEAR
MODE OF OSCILLATION
EQUIVALENT SERIES RESISTANCE (ESR)
DRIVE LEVEL
1.00 MHz TO 360.00 MHz
1.00 MHz TO 360.00 MHz
10.00 MHz TO 300.00 MHz
±5 PPM TO ±25 PPM
±3 PPM (-10°C TO +60°C) TO
±50 PPM (-55°C TO +125°C)
-55°C TO +125°C MAXIMUM
10 pF TO 50 pF OR SERIES
±3 PPM MAXIMUM
FUNDAMENTAL TO NINTH OVERTONE
SEE PAGE 3
0.1 mW TYPICAL
OUTLINE DRAWINGS
A-SMD TYPE: HC-49/U-SMD
3.0
.118
mm
Scale none Dimension in
inch
3.56
.140
.431
.017
4.88 ± .127
.192 ± .005
1.27
0.50
3.60
.142
1.80
.071
C-SMD TYPE: UM-1-SMD
2.8
.110
3.75
.148
3.0
.118
1.80 .071
1.27
.050
2.48
.098
2.97 ± .30
.117 ± .012
11.05 MAX
.435 MAX
1.91 ± .63
.075 ± .025
1.40 ± .25
.055 ± .01
19.40 MAX
.764 MAX
1.57 ± .30
.062 ± .012
1.45 ± 0.15
1.3 ± 0.2
3.75
.057 ± .006
.051 ± .008
.148
12.7 MAX
.500 MAX
PART NUMBERING SYSTEM
HOLDER TYPE
FREQUENCY
LOAD CAPACITANCE
MODE
-
A HC-49/U-SMD
C
UM-1-SMD
IN MHz
F
-
-
10 TO 32pF FOR PARALLEL
S FOR SERIES
3OT
5OT
7OT
9OT
FUNDAMENTAL
THIRD OVERTONE ^-
FIFTH OVERTONE
SEVENTH OVERTONE
NINTH OVERTONE
EXAMPLE: A-32.000-20-3OT-SMD
C-100.00-S-5OT-SMD
EXTENDED
TEMPERATURE
EXT
SURFACE
MOUNT
SMD
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: [phone] Fax: [phone] e-mail: [e-mail] Internet: http://www.raltron.com