參數(shù)資料
型號(hào)： MC306
廠商： Electronic Theatre Controls, Inc.
元件分類： 晶體
英文描述： SMALL SMD LOW / MEDIUM-FREQUENCY CRYSTAL UNIT
中文描述： 小貼片低/中頻晶體單元
文件頁數(shù)： 1/1頁
文件大?。?/td> 28K
代理商： MC306
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.
2.54mm thickness is equal to SMD-type IC.
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
-55C to +125C
-40C to +85C
1.0μW max.
Twice at under 260C within 10 sec.
or under 230C within 3 min.
±20ppm, ±50ppm
±50ppm, ±100ppm
25C ±5C
-0.04ppm/C
2
max.
6pF to
∞
50 k
max.
55 k
to 10 k
1.8fF typ.
4.0fF to 0.6fF
0.9pF typ.
2.0pF to 0.6pF
500 M
min.
±3ppm/Y max.
±5ppm/Y max.
±5ppm max.
Remarks
Stored as bare product after unpacking
Ta=25C, DL=0.1μW
Please specify
As per below table
Ta=25C ±3C, first year
Three drops on a hard board from 75 cm or excitation
test with 3000G x 0.3ms x 1/2 sine wave x 3 directions
Storage temperature
Operating temperature
Actual size
Frequency (kHz)
Series resonance
resistance (
)
20
≤
f < 30
55K
max.
30
≤
f < 40
45K
max.
40
≤
f < 60
20K
max.
60
≤
f < 70
15K
max.
70
≤
f < 120
12K
max.
120
≤
f < 165
10K
max.
SMALL SMD LOW /MEDIUM-FREQUENCY
CRYSTAL UNIT
There are some cases that a parts of the cylindrical capsule of quartz unit expose on the surface of the molding material.
http://www.spezial.
cz
- - - spezial
@spezial.
cz
- - -
Hotlines: Tel
(02) 2434 2200
- - -
Fax
(02) 2434 3200
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PDF描述
MC33993 Multiple Switch Detection Interface
MC33993DWB Multiple Switch Detection Interface
MC3403DB QUADRUPLE LOW-POWER OPERATIONAL AMPLIFIERS
MC3403NS QUADRUPLE LOW-POWER OPERATIONAL AMPLIFIERS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC-306 制造商:Epson Electronics America Inc 功能描述:Crystal unit,32.768kHz,SMD,12.5pF,20ppm
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(biāo)準(zhǔn)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(fù)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(chǎn)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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