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參數資料
| 型號： | RSEH2 |
| 廠商： | Raltron Electronics Corporation |
| 英文描述： | SURFACE MOUNT TUNING FORK CRYSTAL UNIT |
| 中文描述： | 表面貼裝音叉型晶體單元 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 38K |
| 代理商： | RSEH2 |
PIN 4
PIN 3
PIN 2
PIN 1
LEAD CONNECTION
4
2
7.3 MAX
.287 MAX
2
1
0
5.08
.200
0.4
.016
.
.
.
.
SOLDER PAD LAYOUT
1.2
.047
1.2
.047
3.88
.153
1
1
2
.
.
.
1
4
2
3
MARKING AREA
SURFACE MOUNT TUNING FORK CRYSTAL UNIT
FEATURES
SUITABLE FOR TIME OF DAY CLOCK APPLICATIONS
LOW PROFILE 2 mm HEIGHT
EXCELLENT FOR AUTOMATIC AND HIGH DENSITY SURFACE MOUNTING
SPECIFICATIONS
NOMINAL FREQUENCY
FREQUENCY TOLERANCE
TURNOVER TEMPERATURE
TEMPERATURE COEFFICIENT
LOAD CAPACITANCE
EQUIVALENT SERIES
RESISTANCE
DRIVER LEVEL
SHUNT CAPACITANCE
AGING(FIRST YEAR)
OPERATING TEMPERATURE
RANGE
STORAGE TEMPERATURE RANGE
OUTLINE DRAWING
REFLOW SOLDERING PROFILE
FREQUENCY VS. TEMPERATURE CURVE
SERIES RSE H2
CARRIER TAPE DIMENSIONS
PACKAGING
330mm REEL DIAMETER
16mm TAPE WIDTH, 8mm PITCH
QUANTITY: 3000 PIECES PER REEL
PART NUMBERING SYSTEM
EXAMPLE: RSE-32.768-12.5-H2-TR
1.5 DIA
.06 DIA
.16 ± .004
4.0 ± 0.1
1
.
1
.
7
.
4.3 ± 0.1
.170 ± .004
8.0 ± 0.1
.315 ± .004
2.0 ± 0.05
.079 ± .002
H
CAVITY HEIGHT "H"
RSE "A AND B" = 4.0 mm/.157 in
RSE "C AND D" = 3.0 mm/.118 in
0
-10
25
60
TEMP
(°C)
f/fo
(ppm)
-50
PREHEATING
REFLOW
COOLING
230 °C
150 °C
25 °C
60 s MIN
TIME (SECONDS)
T
230 s MAX
20 s
2 TO 5 °C/s
100 °C
200 °C
1 TO 4 °C/s
30 s
HOLDER
TYPE
RSE
FREQUENCY
LOAD
TAPE AND REEL
CAPACITANCE
12.5 pF
IN kHz
TR
H2
-
-
-
-
32.768 kHz
±20 PPM MAXIMUM(±50 PPM AND ±100 PPM AVAILABLE)
±25°C ±5 °C
(-0.035± 0.008) PPM/
°C2
12.5 pF
1.0 μW MAXIMUM
1.5 pF MAXIMUM
±5 PPM MAXIMUM
-55°C TO +125°C
±5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD
SURFACE OR 3000 g x 0.3 ms x SINEWAVE IN 3 AXES
230°C MAXIMUM FOR 20s MAXIMUM
SOLDER REFLOW CONDITIONS
SHOCK RESISTANCE
55 kOHMS MAXIMUM
-40°C TO +85°C
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
Scale none Dimension in mm/inch
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