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參數資料
| 型號： | XT49UR-30W3FREQ-3OT |
| 廠商： | VISHAY DALE |
| 元件分類： | 晶體 |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 31 MHz - 60 MHz |
| 文件頁數： | 1/1頁 |
| 文件大小： | 56K |
| 代理商： | XT49UR-30W3FREQ-3OT |
www.vishay.com
8
Model XT49U
Vishay Dale
Document Number 35015
Revision 06-Jan-00
FEATURES
3rd lead option.
Insulating sleeve option.
Hermetically sealed.
STANDARD SPECIFICATIONS
Operating Temperature Range: - 20
°C to + 70°C.
(- 40
°C to + 85°C optional).
Frequency Range: 1.8432MHz to 60.0MHz.
Frequency Tolerance:
± 30PPM @ + 25°C ± 3°C (typical).
Temperature Stability:
± 30PPM (typical).
Storage Temperature: - 40
°C to 85°C.
Mode of Vibration: “AT” Fundamental, “AT” 3rd Overtone.
Load: 10 to 32pF or series resonant.
Drive Level: 1mW maximum.
Shunt Capacitance: 7pF maximum.
Seal: Resistance weld.
Quartz Crystals
1.8432MHz to 60.0MHz
STANDARD ELECTRICAL SPECIFICATIONS
DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters]
HOW TO ORDER
XT49U
MODEL
4M
FREQUENCY/MHZ
FREQUENCY
MODE OF
ESR MAX.
RANGE (MHz)
VIBRATION
(Ohms)
1.8432 - 1.999
“AT” Fundamental
650
2.0 - 2.999
“AT” Fundamental
500
3.0 - 3.499
“AT” Fundamental
250
3.5 - 3.999
“AT” Fundamental
150
4.0 - 4.999
“AT” Fundamental
100
5.0 - 5.999
“AT” Fundamental
80
6.0 - 7.999
`“AT” Fundamental
50
8.0 - 12.999
“AT” Fundamental
35
13.0 - 30.999
“AT” Fundamental
25
31.0 - 60.0
“AT” 3rd Overtone
40
Optional 3rd Lead
.406 [10.3]
Max.
.197
[5.0]
Max.
.020
[.51]
1.0
[25.4]
.453 [11.50]
Max.
.532 [13.5]
Max.
.788 [20.0]
Min.
.192
± .008
[4.88
± 0.2]
.017
[0.43]
W3
OPTIONS
Blank = Standard
W3 = 3rd Lead
SL = Sleeve
SP = Spacer
CT = Cut Leads
R
OTR
Blank = Standard
R = - 40
°C to + 85°C
- 20
LOAD
Blank = Series
- 16 = 16pF
- 20 = 20pF
- 30 = 30pF
- 32 = 32pF
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