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251-28.0M-SRP

Description
Quartz Crystal,
CategoryPassive components    Crystal/resonator   
File Size341KB,4 Pages
ManufacturerAbracon
Websitehttp://www.abracon.com/index.htm
Environmental Compliance
Download Datasheet Parametric View All

251-28.0M-SRP Overview

Quartz Crystal,

251-28.0M-SRP Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid145224310210
Reach Compliance Codecompliant
Other featuresAT-CUT
Ageing5 PPM/FIRST YEAR
Crystal/Resonator TypeSERIES - FUNDAMENTAL
Drive level100 µW
frequency stability0.005%
frequency tolerance30 ppm
Installation featuresSURFACE MOUNT
Nominal operating frequency28 MHz
Maximum operating temperature50 °C
Minimum operating temperature
physical size11.5mm x 5.0mm x 3.2mm
Series resistance40 Ω
surface mountYES

251-28.0M-SRP Preview

250 Series
Package
HC-49
Description
SMD Quartz Crystal
Features
Cost Effective
Low Profile
Space saving design
Tape and Reel
RoHs/ Lead Free compliant
Electrical Characteristics
Parameter
Frequency Range
Frequency Tolerance
Temperature
Stability
Operating Temperature
Storage Temperature
Conditions
f
O
Ref @ +25°C
T
L
T
OPR
T
STG
Resistance
Mode of Operation
ESR
3.000 ~ 85.00
±30 std. (±5 ~ ±100 avail.)
±50 std. (See Table 2)
-10 ~ +60 std. (See Table 2)
-55 ~ +125
Characteristics
Units
MHz
PPM
PPM
°C
°C
Shunt Capacitance
Load Capacitance
Drive Level
Aging (First Year)
Insulation Resistance
C
O
C
L
D
L
@ +25°C
I
R
7.0 max.
20.0 std. (8 ~ 50 and Series avail.)
0.1 ~ 1.0
±5.0
500 (DC100 ±10V) min.
(See Table 1)
(See Table 1)
Ohms
pF
pF
mW
PPM/Y
Mohm
Table 1: Operation Mode and Motional Resistance
Frequency
Range
3.000
3.500
3.800
4.100
5.000
6.000
Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Ohm Max
300
150
120
100
80
70
~ 3.500
~ 3.800
~ 4.100
~ 5.000
~ 6.000
~ 8.000
Frequency
Range
Mode
Fundamental
Fundamental
Fundamental
Fundamental
3
rd
OT
3
rd
OT
Ohm Max
60
50
40
50
100
80
8.000 ~ 10.000
10.000 ~ 12.000
12.000 ~ 28.000
28.000 ~ 33.500
26.000 ~ 40.000
40.000 ~ 75.000
Revised A: 09/01/2004
Page 2 of 8
www.oscilent.com
250 Series
Table 2: Frequency – Temperature Stability
Cutting
Temperature
Range
Fundamental
AT
Fundamental
Fundamental
Fundamental
Fundamental
Tolerance (PPM)
±5.00
±10.00
±15.00
±20.00
±30.00
±50.00
X
X
X
X
X
X
X
X
X
X
Note:
Consult factory for available frequencies
X
O
X
X
X
X
X
O
X
X
X
Available
O
Recommended
Part Numbering Guide
Series
Number
Frequency
Load
Capacitance
Tolerance @ +25oC
Tolerance Over
Temp ( oC )
Operating
Temp ( oC )
Packaging**
250
- 12.0M
Standard freq. and
enter here e.g.
2.048M for 2.048
MHz OR enter any
desire frequency.
- SR
- 05
Blank * = ±30 PPM
or Fill in E.G
05 = ±5 PPM
25 = ±25 PPM
Avail. = ±5 ~ ±100
K
P
- TR
Blank* = Bulk
TR = Tape/Reel
HC-49SM
250: L=4.2
251: L=3.2
Enter desired
capacitance here.
e.g.-20 for 20pF
or Enter SR for
Series.
Blank* =
G=
H=
K=
L=
M=
N=
±50 PPM
±30 PPM
±20 PPM
±15 PPM
±10 PPM
±5 PPM
±100 PPM
P=
R =
S =
T=
W=
0~+50
-10~+60
-20~+70
-30~+80
-40~+85
NOTE:
Deviations on all parameters available. Please consult Oscilent for details.
*STANDARDS:
"Blank" part number selections indicate standard variables for that particular characteristic.
Revised A: 09/01/2004
Page 3 of 8
www.oscilent.com
250 Series
Package Dimensions
Dim. L
250
4.2mm
251
3.2mm
Tape & Reel
1000 pieces per reel
Compliant to EIA-481
All Dimensions in Millimeters
Revised A: 09/01/2004
Page 4 of 8
www.oscilent.com
250 Series
Revised A: 09/01/2004
Page 5 of 8
www.oscilent.com
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