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

HIGH ACCURACY SURFACE MOUNT CRYSTALS

FEATURES

SPECIFICATIONS

FREQUENCY RANGE

1.00 MHz TO 360.00 MHz

HOLDER TYPES

A-SMD: HC-49/U-SMD

1.00 MHz TO 360.00 MHz

C-SMD: UM-1 SMD

10.00 MHz TO 300.00 MHz

FREQUENCY TOLERANCE AT 25° C

±5 PPM TO ±25 PPM

FREQUENCY STABILITY OVER TEMPERATURE RANGE

±3 PPM (-10°C TO +60°C) TO

±50 PPM (-55°C TO +125°C)

OPERATING TEMPERATURE RANGE

-55°C TO +125°C MAXIMUM

LOAD CAPACITANCE

10 pF TO 50 pF OR SERIES

AGING PER YEAR

±3 PPM MAXIMUM

MODE OF OSCILLATION

FUNDAMENTAL TO NINTH OVERTONE

EQUIVALENT SERIES RESISTANCE (ESR)

SEE PAGE 3

DRIVE LEVEL

0.1 mW TYPICAL

OUTLINE DRAWINGS

HOLDER TYPE

-

FREQUENCY

-

LOAD CAPACITANCE

-

MODE

-

EXTENDED

TEMPERATURE

SURFACE

MOUNT

A

C

HC-49/U-SMD

UM-1-SMD

IN MHz

10 TO 32pF FOR PARALLEL

S FOR SERIES

F

3OT

5OT

7OT

9OT

FUNDAMENTAL

THIRD OVERTONE

FIFTH OVERTONE

SEVENTH OVERTONE

NINTH OVERTONE

EXT

SMD

PART NUMBERING SYSTEM

Scale none Dimension in

mm

inch

EXAMPLE: A-32.000-20-3OT-SMD

C-100.00-S-5OT-SMD

A-SMD TYPE: HC-49/U-SMD

C-SMD TYPE: UM-1-SMD

TIGHT TOLERANCE AND STABILITY OVER TEMPERATURE

WIDE FREQUENCY RANGE

EXCELLENT FREQUENCY SOURCE FOR TELECOM APPLICATIONS

.118

3.0

.435 MAX

11.05 MAX

.764 MAX

19.40 MAX

.192 ± .005

.431

4.88 ± .127

.017

1.57 ± .30

2.97 ± .30

1.40 ± .25

.055 ± .01

1.91 ± .63

.075 ± .025

.062 ± .012

.117 ± .012

0.50

.071

.142

.140

3.56

1.27

1.80

3.60

2.8

.110

.500 MAX

12.7 MAX

1.45 ± 0.15

.057 ± .006

1.3± 0.2

.051 ± .008

.148

3.75

.050

.098

.118

3.0

1.27

2.48

3.75

.148

1.80 .071