HIGH ACCURACY SURFACE MOUNT CRYSTALS
FEATURES
TIGHT TOLERANCE AND STABILITY OVER TEMPERATURE
WIDE FREQUENCY RANGE
EXCELLENT FREQUENCY SOURCE FOR TELECOM APPLICATIONS
SPECIFICATIONS
FREQUENCY RANGE
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
A-SMD: HC-49/U-SMD
C-SMD: UM-1 SMD
HOLDER TYPES
FREQUENCY TOLERANCE AT 25° C
±3 PPM (-10°C TO +60°C) TO
±50 PPM (-55°C TO +125°C)
FREQUENCY STABILITY OVER TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
LOAD CAPACITANCE
-55°C TO +125°C MAXIMUM
10 pF TO 50 pF OR SERIES
±3 PPM MAXIMUM
AGING PER YEAR
MODE OF OSCILLATION
EQUIVALENT SERIES RESISTANCE (ESR)
DRIVE LEVEL
FUNDAMENTAL TO NINTH OVERTONE
SEE PAGE 3
0.1 mW TYPICAL
OUTLINE DRAWINGS
A-SMD TYPE: HC-49/U-SMD
C-SMD TYPE: UM-1-SMD
mm
inch
Scale none Dimension in
3.56
.140
3.0
2.8
.118
3.0
.110
.118
1.80 .071
1.27
.050
1.27
0.50
2.48
.098
1.80
.071
.431
.017
3.60
.142
3.75
.148
4.88 ± .127
.192 ± .005
2.97 ± .30
.117 ± .012
1.40 ± .25
.055 ± .01
1.57 ± .30
1.91 ± .63
.075 ± .025
11.05 MAX
.435 MAX
1.3±0.2
.051 ±.008
1.45 ±0.15
.057±.006
.062 ± .012
3.75
.148
12.7 MAX
.500 MAX
19.40 MAX
.764 MAX
PART NUMBERING SYSTEM
EXTENDED
TEMPERATURE
SURFACE
MOUNT
HOLDER TYPE
FREQUENCY
LOAD CAPACITANCE
MODE
FUNDAMENTAL
THIRD OVERTONE
FIFTH OVERTONE
SEVENTH OVERTONE
NINTH OVERTONE
F
-
-
-
-
3OT
5OT
7OT
9OT
A
HC-49/U-SMD
UM-1-SMD
10 TO 32pF FOR PARALLEL
S FOR SERIES
IN MHz
EXT
SMD
C
EXAMPLE: A-32.000-20-3OT-SMD
C-100.00-S-5OT-SMD
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com
RALTRON [ Raltron Electronics Corporation ]