參數(shù)資料
型號： 37420-FREQ4
廠商： CONNOR WINFIELD CORP
元件分類： 晶體
英文描述： QUARTZ CRYSTAL RESONATOR, 20 MHz - 32 MHz
封裝： ROHS COMPLIANT, HERMETIC SEALED, TO-8
文件頁數(shù)： 1/1頁
文件大小： 50K
代理商： 37420-FREQ4
Specifications subject to change without notice. All dimensions in inches. Copyright 2008 The Connor-Winfield Corporation
Bulletin
Page
Revision
Date
Xt217
1of1
01
04 Aug 2008
Precision
Low Profile TO-8
SC Crystal
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630-851-4722
Fax: 630-851-5040
www.conwin.com
US Headquarters
630-851-4722:
European Headquarters:
+353-61-472221
Description
General Specifications
Connor-Winfield
recision SC rystals
°C at
turning point. The low profile coldweld
package allows for very low aging
performance in a reduced size.
’s
pc
are designed for high
frequency stability
ovenized applications.
The SC crystals are
capable of achieving <5ppb/
Features
Model: 37420-xxxx-Series
Frequency Range: 8.192 to 32 MHz
Frequency Calibration @ 85
:
+/-1.0ppm
Package: TO-8, 0.200” High
Designed for 0 to 70
Ovenized
Applications
RoHS Compliant / Lead Free
°C
Aging: ppb / Day
°C
Package Outline
Pin Connections
Solder Profile
120°C
150°C
180°C
260°C
0
220°C
360 Sec. Max.
120 S
Max.
10 S
60 S
Max.
Time
Temperature
260°C
0.600
(15.24mm)
0.506
(12.85mm)
0.200 Max.
(5.08mm Max.)
0.010
(0.25mm)
R
0.600 (15.24mm)
0.630 (16.00mm)
0.015 (0.38mm) Max.
0.010 (0.25mm) Typ.
(Glass Meniscus)
0.019 (0.48mm)
0.016 (0.40mm)
Typ. 5 Places
Dia.
45°
0.031
(0.79mm )
0.032
(0.81mm )
P.C.
0.450
(11.43mm )
0.282
(7.16mm )
(Reference only)
Pin
Connection
1Case
2
Crystal Connection
3N/C
4
Crystal Connection
5N/C
1
2
3
4
5
Bottom View
Part Number
37420 - xxxx - xxx.xM
TO-8 SC Cut
Specification
(CW Assigned)
Frequency
(Mhz)
ABSOLUTE MAXIMUM RATINGS
TABLE 1.0
PARAMETER
UNITS
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTE
Storage Temperature
-55
-
105
°C
ELECTRICAL SPECIFICATIONS
TABLE 2.0
PARAMETER
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTE
Center Frequency
(Fo)
8.192
-
32.0
MHz
Frequency Calibration @ 85C
-1.0
-
1.0
ppm
See Table 4
Lower Turning Point
78
-
94
°C
Inflection Temperature
-
96
°C
Mode
3
rd Overtone
Shunt Capacitance
-
5
pF
Equivalent Series Resistance (ESR)
-
See Table 4
Load Capacitance
-
20
-
pF
Drive Level
-
100
u Watts
Aging
0.5ppb / Day
Q:
Dependant on Frequency
TABLE 4.0
Frequency Range
Equivalent Series Resistance (ESR)
Frequency Calibration @ 85C
8.192 MHz to 9.999 MHz
90 Ohms
+/-1ppm
10 MHz to 12.999 MHz
85 Ohms
+/-1ppm
13 MHz to 19.999 MHz
80 Ohms
+/-1ppm
20 MHz to 32 MHz
75 Ohms
+/-2ppm
PACKAGE CHARACTERISTICS
TABLE 3.0
Package
Hermetically Sealed Cold welded HC-37/u (TO-8) Package.
Leak Rate
0.01ppm atm. cc/sec. maximum
Marking
Marking consists of a serial number label with 5 digits followed by a letter to
provide correlation between the serial number and the turning point data.
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