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參數(shù)資料
| 型號： | RSEH15 |
| 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(shù)： | 1/1頁 |
| 文件大小： | 34K |
| 代理商： | RSEH15 |
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
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B
C
D
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6.5
.256
1.9
2
1
7.95 TYP
.313 TYP
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B
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D
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.030
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.75
.75
SURFACE MOUNT TUNING FORK CRYSTAL UNIT
PREHEATING
REFLOW
COOLING
230 °C
150 °C
25 °C
30 - 40 s
TIME (SECONDS)
T
15 - 20 s
FEATURES
ULTRA SMALL PACKAGE
SPECIFICATIONS
OUTLINE DRAWINGS
REFLOW SOLDERING PROFILE
Scale none Dimension in inch
NOMINAL FREQUENCY
32.768 KHz / 75.000 KHz
FREQUENCY TOLERANCE
STANDARD ±20 PPM (±10 PPM AVAILABLE)
TURNOVER TEMPERATURE
±25°C ±5°C
TEMPERATURE COEFFICIENT
(-3.5 ± 1.0) 10-8/ °C2
LOAD CAPACITANCE
12.5 pF
EQUIVALENT SERIES
RESISTANCE (ESR)
55 OHMS MAXIMUM
MAXIMUM EXCITATION LEVEL
1.0 μW
DRIVE LEVEL
1.0 μW MAXIMUM
SHUNT CAPACITANCE
0.95 pF TYPICAL
AGING (FIRST YEAR)
±3 PPM MAXIMUM
OPERATING TEMPERATURE
RANGE
-20°C TO +70°C
STORAGE TEMPERATURE
RANGE
-40°C TO +125°C
SOLDER REFLOW CONDITIONS
230°C MAXIMUM FOR 20 s MAXIMUM (TWICE)
ULTRA THIN TYPE WITH HEIGHT 1.6mm MAX
SMD TYPE SUITABLE FOR AUTOMATIC & HIGH DENSITY
SURFACE MOUNTING
HOLDER
TYPE
-
FREQUENCY
-
LOAD
CAPACITANCE
-
CIRCUIT
TYPE
-
TAPE & REEL
RSE
32.768 KHz
12.5
pF
H15
TR
PART NUMBERING SYSTEM
SERIES RSE-32.768-
12.5
-H15
1.5 DIA
.06 DIA
.157 ± .004
4.0 ± 0.1
1
.
4.0 ± 0.1
.157 ± .004
2.0 ± 0.05
.079 ± .002
CARRIER TAPE DIMENSIONS
REEL DIMENSIONS
21.0 ± 0.8
.827 ± .031
2.0 ± 0.5
.079 ± .020
120°
RSE-H15 Reel Dimensions
40°
13.0 ± 0.5
.511 ± .020
330
9000 PIECES PER REEL
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