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參數資料
| 型號： | HC-49-U-48MHz |
| 廠商： | Citizen Finetech Miyota |
| 英文描述： | LOW PROFILE MICROPROCESSOR CRYSTALS(晶振) |
| 中文描述： | 低收縮微處理器晶體（晶振） |
| 文件頁數： | 1/3頁 |
| 文件大小： | 81K |
| 代理商： | HC-49-U-48MHZ |
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
FREQUENCY RANGE
100.00 KHz TO 300.00 MHz
HOLDER TYPES
A: HC-49/U
1.00 MHz TO 300.00 MHz
B: HC-51/U
100.00 KHz TO 4.00 MHz
C: UM-1
8.00 MHz TO 300.00 MHz
FREQUENCY TOLERANCE AT 25 °C
±30 PPM TYPICAL
±50 PPM MAXIMUM
FREQUENCY STABILITY OVER TEMPERATURE
±50 PPM TYPICAL
±100 PPM MAXIMUM
OPERATING TEMPERATURE RANGE
-20 °C TO +70 °C STANDARD
-40° C TO +85 °C EXTENDED
STORAGE TEMPERATURE RANGE
-55 °C TO +125 °C
AGING
±5 PPM PER YEAR MAXIMUM
LOAD CAPACITANCE
10 TO 32 pF 0R SERIES
SHUNT CAPACITANCE
7 pF MAXIMUM
EQUIVALENT SERIES RESISTANCE (ESR)
SEE PAGE 11
DRIVE LEVEL
0.1 mW TYPICAL
1 mW MAXIMUM
SHOCK RESISTANCE
±5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD
SURFACE OR 1000 g’s x 0.5 ms x ‰ SINEWAVE IN 3 AXES
MICROPROCESSOR CRYSTAL UNITS
HOLDER TYPE
FUNDAMENTAL
(FUND)
THIRD OVERTONE
(3OT)
FIFTH OVERTONE
(5OT)
SEVENTH OVERTONE
(7OT)
NINTH OVERTONE
(9OT)
TYPE A: HC-49/U
1.00 MHz TO 65.00 MHz
20.00 MHz TO 90.00 MHz
60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHz
TYPE B: HC-51/U
100.00 KHz TO 4.00 MHz
TYPE C: UM-1
8.00 MHz TO 65.00 MHz
25.00 MHz TO 90.00 MHz
60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHz
SERIES A, B, C
HC-49/U, HC-51/U, AND UM-1
EXAMPLE: A-4.000-S
A-3.579545-18-EXT-3PIN-SP-SL-TR
C-65.000-S-30T
FEATURES
EXCELLENT CLOCK SIGNAL GENERATOR FOR CPU
’
s
WIDE FREQUENCY RANGE
INDUSTRY STANDARD PACKAGES
SPECIFICATIONS
FREQUENCY RANGE AND MODE OF OSCILLATION BY HOLDER TYPE
PART NUMBERING SYSTEM
HOLDER TYPE
-
FREQUENCY
-
LOAD CAPACITANCE
-
MODE
-
EXTENDED
TEMPERATURE
A
B
C
HC-49/U
HC-51/U
UM-1
IN MHz
10 TO 32pF FOR PARALLEL
S FOR SERIES
FUND
3OT
5OT
7OT
9OT
FUNDAMENTAL
THIRD OVERTONE
FIFTH OVERTONE
SEVENTH OVERTONE
NINTH OVERTONE
EXT
MECHANICAL OPTIONS
-
TAPE AND REEL
THREE PIN BASE
-
THIRD LEAD
(TOP OF HOUSING)
-
SPACER
-
SLEEVE
T
R
3PIN
3RD
SP
SL
FUNDAMENTAL MODE NOT NEEDED IN PART NUMBER
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