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參數(shù)資料
| 型號： | MC-306 |
| 廠商： | 愛普生（中國）有限公司 |
| 英文描述： | Low/Medium-Frequency Crystal Unit（Small SMD）(低/中頻晶體單元（小型SMD封裝）) |
| 中文描述： | 低/中頻晶體諧振器（小貼片）（低/中頻晶體單元（小型貼片封裝）） |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 144K |
| 代理商： | MC-306 |
19
Crystal unit
Specifications (characteristics)
Recommended soldering pattern
External dimensions
(Unit: mm)
Do not connect
#2 and #3 to external device.
Internal connection
#4
(Unit: mm)
#4
#3
#1
#2
#3
#1
0.5
5.5
(0.9)
(0.9)
1.9
#2
3
2
2
3
8.0 Max.
32.768k
E
571
1.3
1
1
1
1.3
4.2
Series resistance
MC-306
High-density mounting-type SMD.
Photolithography finished allows uniform and stable performance.
Excellent reliability and environmental capability.
Item
Nominal frequency
Temperature
range
Maximum drive level
Soldering condition
Frequency tolerance (standard)
Peak temperature (frequency)
Temperature coefficient (frequency)
Load capacitance
Series resistance
Motional capacitance
Shunt capacitance
Insulation resistance
Aging
Shock resistance
Symbol
f
T
STG
T
OPR
GL
T
SOL
f/f
θ
T
a
C
L
R
1
C
1
C
0
IR
fa
S.R.
Specifications
32.768 kHz
20.000 kHz to 165.000 kHz
-55
°
C to +125
°
C
-40
°
C to +85
°
C
1.0 μW Max.
Twice at under +260
°
C within 10 s
or under +230
°
C within 3 min.
±20 x 10
-6
, ±50 x 10
-6
±50 x 10
-6
, ±100 x 10
-6
+25
°
C ±5
°
C
-0.04 x 10
-6
/
°
C
2
Max.
6 pF to
∞
50 k
Max.
55 k
to 10 k
1.8 fF Typ.
4.0 fF to 0.6 fF
0.9 pF Typ.
2.0 pF to 0.6 pF
500 M
Min.
±3 x 10
-6
/year Max.
±5 x 10
-6
/year Max.
±5 x 10
-6
Max.
Remarks
Stored as bare product after unpacking
Ta=+25
°
C, DL=0.1 μW
Please specify
As per below table
Ta=+25
°
C ±3
°
C, first year
Three drops on a hard board from 750 mm or excitation
test with 29400 m/s
2
x 0.3 ms x 1/2 sine wave x 3 directions
Storage temperature
Operating temperature
Actual size
Frequency (kHz)
Series resistance (
)
20
≤
f < 30
55 k
Max.
30
≤
f < 40
45 k
Max.
40
≤
f < 60
20 k
Max.
60
≤
f < 70
15 k
Max.
70
≤
f < 120
12 k
Max.
120
≤
f < 165
10 k
Max.
SMALL SMD LOW / MEDIUM-FREQUENCY
CRYSTAL UNIT
Metal may be exposed on the top of this product. This won't affect any quality, reliability or electrical spec.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC-306 32.7680K-A0 | 功能描述:CRYSTAL 32.7680KHZ 12.5PF SMD RoHS:否 類別:晶體和振蕩器 >> 晶體 系列:MC-306 標準包裝:1 系列:ABLS2 類型:MHz 晶體 頻率:3.579545MHz 頻率穩(wěn)定性:±30ppm 頻率公差:±30ppm 負載電容:18pF ESR（等效串聯(lián)電阻）:180 歐姆 工作模式:基諧 工作溫度:-40°C ~ 85°C 額定值:- 安裝類型:表面貼裝 封裝/外殼:HC49/US 尺寸/尺寸:0.449" L x 0.185" W（11.40mm x 4.70mm） 高度:0.130"（3.30mm） 包裝:剪切帶 (CT) 產品目錄頁面:1683 (CN2011-ZH PDF) 其它名稱:535-9855-1 |
| MC-306 32.7680KA0 ROHS | 制造商:Epson Electronics America Inc 功能描述:Crystal 0.032768MHz 12.5pF 4-Pin SMD T/R 制造商:Epson 功能描述:Crystal 0.032768MHz 12.5pF 4-Pin SMD T/R |
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