Oscilent Corporation | 250 - 251
Page 1 of 4
SMD Quartz Crystal
Series Number
Package
Description
Last Modified
250 ~ 251
.
FEATURES
- Cost effective
- Low profile
- Space saving design
- Tape and Reel
- RoHs / Lead Free compliant
HC-49SM
SMD Quartz Crystal
Sept. 01 2004
.
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 @ +25°C
T
L
T
OPR
T
STG
C
O
C
L
D
L
@ +25°C
I
R
CHARACTERISTICS
3.000 ~ 85.00
±30 std. (±5 ~ ±100 avail.)
±50 std. (See Table 2)
-10 ~ +60 std. (See Table 2)
-55 ~ +125
7.0 max.
20.0 std. (8 ~ 50 and Series avail.)
0.1 ~ 1.0
±5.0
500 (DC100 ±10V) min.
UNITS
MHz
PPM
PPM
°C
°C
pF
pF
mW
PPM/Y
Mohm
.
TABLE 1 - OPERATION MODE AND MOTIONAL RESISTANCE (RS)
FREQUENCY RANGE (MHz)
3.000 ~ 3.500
3.500 ~ 3.800
3.800 ~ 4.100
4.100 ~ 5.000
5.000 ~ 6.000
6.000 ~ 8.000
MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
ohm max.
300
150
120
100
80
70
FREQUENCY RANGE (MHz)
8.000 ~ 10.000
10.000 ~ 12.000
12.000 ~ 28.000
28.000 ~ 33.500
26.000 ~ 40.000
40.000 ~ 75.000
MODE
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
3rd OT
ohm max.
60
50
40
50
100
80
.
TABLE 2 - FREQUENCY - TEMPERATURE TOLERANCE
Cutting
Temperature
Range
0 ~ +50°C
-10 ~ +60°C
AT
-20 ~ +70°C
-30 ~ +80°C
Tolerance (PPM)
±5.00
x
-
-
-
±10.0
x
x
-
-
±15.0
x
x
x
-
±20.0
x
x
x
x
±30.0
x
O
x
x
±50.0
x
x
O
x
x
O
available
recommended
Oscilent Corporation | 250 - 251
Page 2 of 4
-40 ~ +85°C
BT
-
-
-
-
x
x
Within a range of ±80 ~ ±120 PPM
Note:
Consult factory for available frequencies
..
Dim. L
250
4.2mm
251
3.2mm
.
PART NUMBER GUIDE
Series
Number
Frequency
Load
Capacitance
Tolerance @ +25oC
Tolerance Over
Temp ( oC )
Operating
Temp ( oC )
Packaging**
250
HC-49SM
250:
L=4.2
251:
L=3.2
- 12.0M
See table below
for standard freq.
and enter here
e.g. 2.048M for
2.048 MHz
OR
enter any desire
frequency.
- SR
Enter desired
capacitance here.
See table below
for standard load
capacitance
e.g. -
20 for 20pF or
Enter SR for
Series.
- 05
Blank * = ±30 PPM
or Fill in E.G
05 = ±5 PPM
25 = ±25 PPM
Avail. = ±5 ~ ±100
Blank* =
G=
H=
K=
L=
M=
N=
K
±50 PPM
±30 PPM
±20 PPM
±15 PPM
±10 PPM
±5 PPM
±100 PPM
P=
R=
S=
T=
W=
P
0~+50
-10~+60
-20~+70
-30~+80
-40~+85
- TR
Blank* = Bulk
TR = Tape/Reel
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
LOAD (pF)
FREQUENCY
Oscilent Corporation | 250 - 251
Page 3 of 4
(MHz)
3.579545
3.6864
4.000
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
Series
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.
12
-
-
-
-
-
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
13
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
16
-
-
-
-
-
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Std.
-
17
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
18
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Std.
-
-
Std.
-
-
-
Std.
-
Std.
-
-
-
Std.
-
-
-
Std.
-
Std.
-
20
-
Std.
Std.
Std.
Std.
-
Std.
Std.
Std.
Std.
-
Std.
-
-
-
Std.
-
Std.
Std.
-
-
Std.
Std.
-
Std.
Std.
Std.
-
Std.
-
Std.
Std.
Std.
Std.
Std.
Std.
-
30
-
-
-
-
-
-
-
-
-
-
Std.
-
Std.
Std.
-
-
Std.
-
-
-
-
Std.
Std.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Oscilent Corporation | 250 - 251
Page 4 of 4
24.000(F)
24.00014 (F)
40.00 (OT)
40.32 (OT)
FREQUENCY
(MHz)
Std.
-
-
-
Series
-
-
-
-
12
-
-
-
-
13
Std.
-
-
-
16
LOAD (pF)
-
-
-
-
17
Std.
Std.
Std.
-
18
Std.
-
-
Std.
20
-
-
-
-
32
F = Fundamental | OT = 3RD Overtone
NOTE:
Other frequencies and load capacitance available. Please consult Oscilent for part numbers.
Series No.:
250 to 251
Crystal Oscillators
|
Quartz Crystal
|
TCXO
|
VCXO
|
IF SAW Filter
|
RF SAW Filter
|
Ceramic Resonator
Crystal Filter
|
Ceramic Filter
|
SAW Filter / SAW Devices
|
Site Map
单片机
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
