Oscilent Corporation | 252 - 255
Page 1 of 4
SMD Quartz Crystal
Series Number
Package
Description
Last Modified
252 ~ 255
.
FEATURES
- Cost effective
- Low profile
- Space saving design
- Tape and Reel
HC-49SM 4 Pad
SMD Quartz Crystal
Jan. 01 2002
.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Frequency Tolerance
Temperature Tolerance
Operating Temperature
Storage Temperature
Shunt Capacitance
Load Capacitance
Drive Level
Aging (First Year)
Insulation Resistance
CONDITIONS
.
f
O
Ref @ +25ºC
T
L
T
OPR
T
STG
C
O
C
L
D
L
@ +25ºC
I
R
CHARACTERISTICS
3.579545 ~ 70.00
±30 (Std.) / ±15 , ±50 (Option)
±50 (Std.) / ±30 , ±100 (Option)
-20 ~ +70 (Std.) / -40 ~+85 (Option)
-40 ~ +85
7.0 max.
18.0 (Std.) / 10 ~ 50 and Series (Option)
1.0 max.
±5.0
500 (DC100 ±10V) min.
UNITS
MHz
PPM
PPM
ºC
ºC
pF
pF
mW
PPM/Y
Mohm
.
TABLE 1 - OPERATION MODE AND MOTIONAL RESISTANCE (RS)
FREQUENCY RANGE (MHz)
3.579545 ~ 4.999
5.0 ~ 5.999
6.0 ~ 7.999
8.0 ~ 8.999
9.0 ~ 9.999
10.0 ~ 14.999
MODE
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
ohm max.
200
150
120
90
80
70
FREQUENCY RANGE (MHz)
15.0 ~ 15.999
16.0 ~ 23.999
24.0 ~ 30.999
24.0 ~ 40.32
24.576 ~ 29.999
30.0 ~ 70.0
MODE
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/BT
3rd OT/AT
3rd OT/AT
ohm max.
60
50
40
40
150
100
..
Oscilent Corporation | 252 - 255
Page 2 of 4
Series Layout
252
253
254
255
Fig. A
Fig. B
Fig. A
Fig. B
Dim. L
4.0mm
5.0mm
.
PART NUMBER GUIDE
Series
Number
Frequency
Load
Capacitance
Tolerance @ +25oC
Tolerance Over
Temp ( oC )
Operating
Temp ( oC )
Packaging**
252
HC-49SM
252:L=4.0
(A)
253:L=4.0
(B)
254:L=5.0
(A)
255:L=5.0
(B)
- 12.0M
See table below
for standard freq.
and enter here
e.g. 2.048M for
2.048 MHz
OR
enter any desire
frequency.
- 18
- 50
N
Blank* = ±50 PPM
G=
±30 PPM
N=
±100 PPM
S=
W=
W
-20~+70
-40~+85
- TR
Blank* = Bulk
TR = Tape/Reel
Enter desired
Blank * = ±30 PPM
capacitance here. 15 =
±15 PPM
See table below
50 =
±50 PPM
for standard load
capacitance
e.g. -
20 for 20pF or
Enter SR for
Series.
NOTE:
Deviations on all parameters available. Please consult Oscilent for details.
DEFINITIONS:
Click on the characteristic names above for definitions of that particular characteristic.
*STANDARDS:
"Blank" part number selections indicate standard variables for that particular characteristic.
**PACKAGING:
Click on the packaging name above for tape/reel specifications
.
STANDARD FREQUENCIES / LOAD CAPACITANCE
-
FOR GUIDE ONLY/
OTHER FREQ./LOADS
AVAILABLE
FREQUENCY
(MHz)
3.579545
3.6864
4.000
LOAD (pF)
Series
Std.
Std.
Std.
12
-
-
-
13
-
-
-
16
-
-
-
17
Std.
-
-
18
-
-
-
20
-
Std.
Std.
30
-
-
-
Oscilent Corporation | 252 - 255
Page 3 of 4
4.032
4.096
4.194304
4.433618
4.9152
5.000
5.0688
5.185
5.9904
6.000
6.144
6.5536
7.3728
8.000
9.216
9.8304
10.000
11.000
11.0592
12.000
12.000393
12.288
14.31818
14.7456
15.000
16.000
16.000312
16.257
16.9344
18.000
18.432
19.6608
20.000
22.1184
24.000(F)
24.00014 (F)
40.00 (OT)
40.32 (OT)
Std.
-
-
-
Std.
Std.
Std.
Std.
Std.
Std.
-
Std.
Std.
Std.
Std.
Std.
Std.
Std.
Std.
Std.
-
Std.
Std.
Std.
Std.
Std.
-
Std.
-
Std.
Std.
Std.
Std.
Std.
Std.
-
-
-
-
-
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Std.
-
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Std.
-
-
Std.
-
-
-
Std.
-
Std.
-
-
-
Std.
-
-
-
Std.
-
Std.
-
Std.
Std.
Std.
-
Std.
Std.
-
Std.
Std.
Std.
Std.
-
Std.
-
-
-
Std.
-
Std.
Std.
-
-
Std.
Std.
-
Std.
Std.
Std.
-
Std.
-
Std.
Std.
Std.
Std.
Std.
Std.
-
Std.
-
-
Std.
-
-
-
-
-
-
-
Std.
-
Std.
Std.
-
-
Std.
-
-
-
-
Std.
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Oscilent Corporation | 252 - 255
Page 4 of 4
FREQUENCY
(MHz)
Series
12
13
16
LOAD (pF)
17
18
20
32
F = Fundamental | OT = 3RD Overtone
NOTE:
Other frequencies and load capacitance available. Please consult Oscilent for part numbers.
Series No.:
252 to 255
Crystal Oscillators
|
Quartz Crystal
|
TCXO
|
VCXO
|
IF SAW Filter
|
RF SAW Filter
|
Ceramic Resonator
Crystal Filter
|
Ceramic Filter
|
SAW Filter / SAW Devices
|
Site Map
综合技术交流
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
