SURFACE MOUNT TUNING FORK CRYSTAL
Page 1 of 3
SERIES RT3215
•
FEATURES
•
•
•
•
SUITABLE FOR TIME OF DAY CLOCKS
IDEAL FOR HIGH DENSITY PACKAGING APPLICATION
SMALL AND COMPACT PACKAGE
WIDE OPERATING TEMPERATURE RANGE (-40°C to +125°C) AVAILABLE
•
SPECIFICATIONS
PARAMETER
NOMINAL FREQUENCY
MODE OF OSCILLATION
FREQUENCY TOLERANCE AT 25°C
FREQUENCY STABILITY OVER
TEMPERATURE COEFFICIENT
OPERATING TEMPERATURE RANGE
STORAGE TEMPERATURE RANGE
AGING
LOAD CAPACITANCE
EQUIVALENT SERIES RESISTANCE
SHUNT CAPACITANCE
DRIVE LEVEL
SHOCK RESISTANCE
REFLOW CONDITIONS
VALUE
32.768 kHz
Fundamental
±20 ppm Standard
±5, ±10 ppm Available
-0.04 ppm / °C
2
-40°C to +85°C Standard
sSTANDARD
-40°C to +125°C Wide**
-55°C to +125°C
±3 ppm per year max
6pF, 7pF , 9pF , 12.5 pF*
70 k max
1.1 pF typ
0.5 µW max
±
5 ppm max 75 cm Drop Test Onto a
Hard Wood Surface
260°C For 10s max
Note:* Other values available
** Available only with 20 ppm frequency tolerance
•
TYPE
RT3215
PART NUMBERING SYSTEM
-
-
32.768
FREQUENCY
kHz
-
-
6 , 7 , 9 or 12.5
LOAD
CAPACITANCE
pF
-
-
TOLERANCE
PPM
Blank: 20
10: 10
5: 5
-
-
OPERATING
TEMPERATURE
Blank: -40 to +85°C
EXT1: -40 to +125°C
-
-
TR
TAPE & REEL
Note:* Other values available.
**Available only with 20 ppm frequency tolerance
EXAMPLE: RT3215-32.768-12.5-TR
Surface Mount Tuning Fork Crystal, 3.2 mm x 1.5 mm package, 32.768 kHz, 12.5 pF load, ±20 ppm Tolerance,
Operating Temperature from -40°C to +85°C, Tape and Reel packaging
R A L T R O N E L E C T R O N I C S
▪
1 0 4 0 0 N .W . 3 3
r d
S T R E E T
▪
M i a m i , F l o r i d a 3 3 1 7 2
▪
U . S . A .
Telephone: +1-305-593-6033
▪
Fax: +1-305-594-3973
▪
e-mail: sales@raltron.com
▪
web site: http://www.raltron.com
SURFACE MOUNT TUNING FORK CRYSTAL
Page 2 of 3
SERIES RT3215
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MECHANICAL SPECIFICATION
NOTE: REFER TO EIA-481 FOR DIMENSIONS
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PACKAGING
180 mm REEL DIAMETER
12 mm TAPE WIDTH, 4mm PITCH
QUANTITY: 3000 PIECES PER REEL
IN ACCORDANCE WITH EIA-481
R A L T R O N E L E C T R O N I C S
▪
1 0 4 0 0 N .W . 3 3
r d
S T R E E T
▪
M i a m i , F l o r i d a 3 3 1 7 2
▪
U . S . A .
Telephone: +1-305-593-6033
▪
Fax: +1-305-594-3973
▪
e-mail: sales@raltron.com
▪
web site: http://www.raltron.com
SURFACE MOUNT TUNING FORK CRYSTAL
Page 3 of 3
SERIES RT3215
•
REFLOW PROFILE
t
P
T
P
Ramp-up
Critical Zone
T
L
to T
P
T
L
T
SMAX
Temp.
[°C]
T
SMIN
t
S
Preheat
t
L
Ramp-down
t[25°C] to Peak
Time [sec]
Reflow profile (Reference IPC/JEDEC J-STD-020)
Temperature Min Preheat
Temperature Max Preheat
Time (T
SMIN
to T
SMAX
)
Temperature
Peak Temperature
Ramp-up rate
Ramp-down rate
Time within 5°C of Peak Temperature
Time t[25°C] to Peak Temperature
Time
T
SMIN
T
SMAX
t
S
T
L
T
P
R
UP
R
DOWN
t
P
t[25°C] to Peak
t
L
150°C
200°C
60-180 sec.
217°C
260°C
3°C/sec max.
6°C/sec max.
10 sec.
480 sec.
60-150 sec.
•
ENVIRONMENTAL
PARAMETER
MOISTURE SENSITIVITY LEVEL
RoHS
REACH SVHC
HALOGEN-FREE
ESD CLASSIFICATION LEVEL
TERMINATION FINISH
VALUE
1
COMPLIANT
COMPLIANT
COMPLIANT
N/A
Au
August 2019
R A L T R O N E L E C T R O N I C S
▪
1 0 4 0 0 N .W . 3 3
r d
S T R E E T
▪
M i a m i , F l o r i d a 3 3 1 7 2
▪
U . S . A .
Telephone: +1-305-593-6033
▪
Fax: +1-305-594-3973
▪
e-mail: sales@raltron.com
▪
web site: http://www.raltron.com
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