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参数资料
| 型号： | MC-306 |
| 厂商： | 爱普生（中国）有限公司 |
| 英文描述： | Low/Medium-Frequency Crystal Unit（Small SMD）(低/中频晶体单元（小型SMD封装）) |
| 中文描述： | 低/中频晶体谐振器（小贴片）（低/中频晶体单元（小型贴片封装）） |
| 文件页数： | 1/1页 |
| 文件大小： | 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC-306 32.7680K-A0 | 功能描述:CRYSTAL 32.7680KHZ 12.5PF SMD RoHS:否 类别:晶体和振荡器 >> 晶体 系列:MC-306 标准包装:1 系列:ABLS2 类型:MHz 晶体 频率:3.579545MHz 频率稳定性:±30ppm 频率公差:±30ppm 负载电容:18pF ESR（等效串联电阻）:180 欧姆 工作模式:基谐 工作温度:-40°C ~ 85°C 额定值:- 安装类型:表面贴装 封装/外壳:HC49/US 尺寸/尺寸:0.449" L x 0.185" W（11.40mm x 4.70mm） 高度:0.130"（3.30mm） 包装:剪切带 (CT) 产品目录页面:1683 (CN2011-ZH PDF) 其它名称: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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