49S268B [PERICOM]
Series - Fundamental Quartz Crystal, 26.8MHz Nom,;
| 型号： | 49S268B |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | Series - Fundamental Quartz Crystal, 26.8MHz Nom, 驱动 晶体 谐振器 |
| 文件： | 总2页 (文件大小：85K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SaRonix
Miniature Quartz Crystal
HC-49, Low Profile
49S Series
Technical Data
Frequency Range:
3.2 to 29.999 MHz, AT Fundamental
26.8 to 50.000 MHz, BT Fundamental
30 .0 to 80.000 MHz, AT 3rd OT
Temperature Range:
Operating:
Storage:
-20 to +70°C (standard - see part number builder for other options)
-55 to +125°C
Freq. Stability Tolerance:
50ppm (0 to -100ppm for BT) -20 to +70°C, (standard - see part
number builder for other options)
Characteristics at 25°C 2°C:
50 ppm (standard - see part number builder for other options)
12pF to 32pF or series resonance
30 to 200Ω (frequency dependent)
100µW correlation, 500µW max
7pF max
Freq. Calibration Tolerance:
Load Capacitance:
Effective Series Resistance:
Drive Level:
ACTUAL SIZE
Shunt Capacitance:
Description
Mechanical:
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2003
MIL-STD-202, Method 211, Conditions A and C
MIL-STD-883, Method 2007, Condition A
MIL-STD-202, Method 215
Shock:
Solderability:
Terminal Strength:
Vibration:
The 49S Series is a miniature, AT or BT
cut strip resonator crystal, housed in low
profile 3.5mm high packaging. The Se-
ries meets the standard 0.200" board
spacing.
Solvent Resistance:
Resistance to Soldering Heat:
MIL-STD-202, Method 210, Condition B
Environmental:
Applications & Features
Gross Leak Test:
Fine Leak Test:
Thermal Shock:
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
• Fibre Channel
• Ethernet
• 56K and Cable Modems
• ADSL
Moisture Resistance:
Part Numbering Guide:
• ISDN
• Microcontrollers
• Remote Control Devices
• Network Processors
• Audio/Video
• Low profile 3.5mm high
• AT or BT cut performance
• Resistance weld seal
49S xxx
–
xx xxx
Type
Calibration / Stability / Temp Range
EEA = ±20ꢀꢀp ꢁ ±20ꢀꢀp ꢁ 0 to ꢂ50ꢃC
GGC = ±±0ꢀꢀp ꢁ ±±0ꢀꢀp ꢁ -20 to ꢂꢄ0ꢃC
GHC = ±±0ꢀꢀp ꢁ ±50ꢀꢀp ꢁ -20 to ꢂꢄ0ꢃC
Frequency
Coppon Frequency Code, select code frop
list on ꢀage 2 (aꢀꢀlies only to ±50ꢀꢀp Caliꢈration,
±50ꢀꢀp Staꢈility, -20 to ꢂꢄ0ꢃC).
If code not listed on ꢀage 2:
*
Blank = ±50ꢀꢀp ꢁ ±50ꢀꢀp ꢁ -20 to ꢂꢄ0ꢃC
GHE = ±±0ꢀꢀp ꢁ ±50ꢀꢀp ꢁ -ꢅ0 to ꢂꢆ0ꢃC
HJE = ±50ꢀꢀp ꢁ ±ꢇ00ꢀꢀp ꢁ -ꢅ0 to ꢂꢆ0ꢃC
then
Custop Frequency (in MHz) = 0x.xxxx, xx.xxxx
(a zero is used in front of frequencies
under ꢇ0 MHz)
Load Capacitance
xx = Parallel Resonance (sꢀecify load)
Blank = Series Resonance
B = BT-cut, 26.8 to 50 MHz
– (dash) = AT-cut Parallel Resonance
Blank = AT-cut Series Resonance
*no code used, as these specs designate standard configuration for this series
Part Number Examples:
Spec: Common Freq 20MHz, 50ppm calib, 50ppm stab, -20 to +70°C, 12pF ꢀ 49S200-12
Spec: Common Freq 20MHz, 50ppm calib, 50ppm stab, -20 to +70°C, Series ꢀ 49S200
Spec: Custom Freq 5.1234MHz, 30ppm calib, 30ppm stab, -20 to +70°C, 16pF ꢀ 49S05.1234-16GGC
DS-112 REV E04
SaRonix 141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
SaRonix
Miniature Quartz Crystal
HC-49, Low Profile
49S Series
Technical Data
Package Details
Common Frequencies:
Common frequency codes:
to be used only with 50ppm calibration, 50ppm stability over -20 to ꢀ70ꢁC
11.18
max
.440
3.5
Max ESR
(3rd OT)
Frequency Frequency
MHz
3.579545
Max ESR
(Fundamental)
max
.138
Code
035
037
040
049
051
060
073
080
100
111
120
122
143
150
160
180
184
196
200
240
245
250
268
280
294
300
320
322
330
333
338
352
360
400
403
409
420
425
450
460
480
500
524
564
600
666
200
160
150
150
120
100
80
80
60
60
60
60
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
3.686400
4.000000
4.915200
5.068800
6.000000
7.372800
8.000000
12.70
min
.500
0.46
.018
10.000000
11.059200
12.000000
12.288000
14.318180
15.000000
16.000000
18.000000
18.432000
19.660800
20.000000
24.000000
24.576000
25.000000
26.800000
28.000000
29.491200
30.000000
32.000000
32.256000
33.000000
33.333000
33.868000
35.251200
36.000000
40.000000
40.320000
40.960000
42.000000
42.500000
45.000000
46.000000
48.000000
50.000000
52.416000
56.448000
60.000000
66.666667
4.88
.192
4.65
.183
max
mm
inches
Scale: None (Dimensions in
)
Marking Format (exact location of items may vary)
If custom frequency, calibration, stability, temp use:
Line 1: S = SaRonix Designator
- (dash) = separator
xxx = Calib/Stability/Temp Code
YYWW = Date Code
Line 2: Frequency (up to 7 digits including decimal point)
BT-cut = B or
80
80
80
AT-cut Parallel = - (dash) or
AT-cut Series = leave Blank
xx = Load Capacitance (leave blank if Series)
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
S-xxxYYWW
24.5760-xx
If common frequency and standard specifications:
30
Line 1: S = SaRonix Designator
YYWW = Date Code
Line 2: Frequency (up to 7 digits including decimal point)
BT-cut = B or
30
30
AT-cut Parallel = - (dash) or
AT-cut Series = leave Blank
xx = Load Capacitance (leave blank if Series)
30
SYYWW
24.5760-xx
All specifications are subject to change without notice.
DS-112 REV E04
SaRonix 141 Jefferson Drive • Menlo Park, CA 94025 • USA • 650-470-7700 • 800-227-8974 • Fax 650-462-9894
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