铝电解电容器规格承认书
5ALUMINUM ELECTROLYTIC CAPACITORS SPECIFICATION FOR APPOVAL
铝 电 解 电 容 器 规 格 承 认 书
表1:承认项目 Type Dimensions
Heng Xin Da Electronic Co.Ltd Customer Vendor 客 户 供应商 恒新达电子有限公司
Aluminum Electrolytic Capacitor Used Spec Product Name 3300UF/50V 通用规格 品 名 铝电解电容器
Operating Temperature Rage SizeφD×L(mm) -40~+105?18*34 外型尺寸 使用温度
Rated Voltages Range(V) Capacitance Tolerance(20?,120Hz) 下限: 2640UF 50V 额定电压 容量范围?20% 上限: 3960UF
ΦD?β(电容直径) Lead Spacing and Wine Diameter(mm)18mm?0.5 型状及尺寸
L?a(电容高度) 34mm?2.0
d?0.005β P?0.5(脚距) 10mm?0.5
α
Φd (引线直径) 0.8 mm?0.05
Z
表2:额定值与特性 TABLE1 RATING&CHARACTERISTIC.
I?0.01CV或3uA取较大值 泄漏电流 I 施加额定电压1分钟I=0.01CV或+3uA 即0.01×容量×电压的读数之内为合格品 1
R/V 6.3V 10V 16V 25V 35V 50V 100V 200V 400V 450V U损耗角正切〥(120Hz) 2 0.28 0.24 0.20 0.16 0.14 0.12 0.08 0.20 0.25 0.25 tgδ
试验时间3000h (施加额定标称纹波电流电压)
1:漏电流, 不超过序号1规定值,(施加额定工作电压60秒读数) 耐久性(105?C) 3 2:电容量变化率, UR?6.3V; ΔC/C?+20%~30% 6.3V
设计
领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计
及特性参数谨供参考作用,任何修改不作预先通知.如果在使用上有疑问,请在采购前与我们联络,
以便提供技术上的协助!
LEAD FREE TYPE REFLOW SOLDERING CONDITION
无 铅 焊 料 产 品 的 回 流 焊 条 件 , Recommended Conditions for Reflow Soldering 无铅焊料产品遵循的回流焊条件 (1) Preheat shall be made at 100?~200? and for maximum 180 seconds.
100?~200?的预热时间不得超过180秒钟。
(2) Period that temperature at top of capacitor becomes more than 200?and 230?shall not
exceed t and t1 seconds, respectively.
电容器顶部温度高于200?和230?的时间，分别不得超过t和t1所限定的时间。 (3) Temperature at top of capacitor shall not exceed T(?).
在回流焊接时，电容器顶部的最高温度不得超过T(?)所限定的温度。
, Temperature/Time profile 回流焊温度与时间曲线图
Peak temperature
t1 sec Max
t sec Max
Preheat 180sec Max
Time (second) , Allowable Range of Peak Temperature 不同壳号的焊接温度及时间
Size T(?) t(second) t1(second)
φ4~φ6.3 250 90 40
φ8×10.5L 240 90 30
φ10×10.5L 235 60 30
Temperature at Capacitors top(?) , Recommended Land Size 各种壳号的安装尺寸
(m m)
Size X Y a
Y a Y φ4 1.6 2.6 1.0
φ5 1.6 3.0 1.4
φ6.3 1.6 3.5 2.1
φ8×10.5L 2.5 3.5 3.0
φ10×10.5L 2.5 4.0 4.0
X
ALUMINUM ELECTROLYTIC CAPACITORS'LIFE
关于铝电解电容器的寿命
The life of non-solid aluminum electrolytic capacitors is mainly dependent on environmental conditions (e.g. ambient temperature, humidity etc.) and electrical factors(e.g. operating voltage, ripple current etc.).Generally, the wear-out mechanism of non-solid aluminum electrolytic capacitors is based on evaporation of electrolyte through the rubber seal. Consequently, the factor of temperature (ambient temperature and internal heating due to ripple current) is the most critical to electrolytic capacitor life. The effect of voltage on capacitor life is negligible, especially for low voltage electrolytic capacitors. The lifetime of non-solid aluminum electrolytic capacitors can be expressed as following equations: 非固体铝电解电容器的寿命主要依赖于使用环境条件(如环境温度,湿度等)和电负荷情况
(如工作电压,纹波电流等)。通常而言,非固体铝电解电容器的失效机理被认为是电解液通过
胶塞逐渐挥发导致的。因此,温度因素(环境温度及由于纹波电流而引起的内热)对电解电容
器寿命有重大影响。相反,电压对电容器寿命的影响可以忽略，尤其对于低压电解电容器而
言更是如此。非固体铝电解电容器的寿命可以用下列公式估算:
L=L?K?K eotr
Where 这里
L expected life at operating temperature T(h) ee
在工作温度T?下的预期寿命(h) e
L specified life at maximum operating temperature T(h) o o
在最大工作温度T?下的保证寿命(h) o
K ambient temperature acceleration term t
环境温度影响因子
K ripple current acceleration term r
纹波电流影响因子
(To-Te)/10 K= L?Ato
Where 这里
T maximum rated operating temperature(?) o
最大额定工作温度(?)
Tactual ambient temperature(?) e
实际环境使用温度(?)
A acceleration coefficient (For the range 35? to the maximum operating temperature, A?
2)
加速系数(对于从35?到最高工作温度的范围, A?2)
(-?T/5) K=2r Where 这里
?T an increase in core temperature by internal heating due to ripple
current(?)
由于纹波电流引起的内热造成电容器芯子的温升(?)
(?T=core temperature-ambient temperature
芯子湿度-环境湿度)
?T can be estimated as follows ?T可用以下公式估算:
2?T= (i?R)(β?S)
Where 这里
i ripple current (A rms)
通过电容器的纹波电流(A rms)
R equivalent series resistance of the capacitor(Ω)
电容器的等效串联电阻(Ω)
2 β heat radiation coefficient(W/??cm)
2 铝壳的热辐射系数(W/??cm)
2 S surface area of the capacitor (cm)
2 电容器的表面积(cm)
The expected life of the capacitor at lower temperature neglect of ripple current effect is shown in
the following figure.
当忽略纹波电流影响时,电容器在较低温度下的预期寿命可参照下图.
Quick Reference Guide of the Expected Life 预期寿命快速参考图
Capacitor ambient temperature
Example: Where a 2000hrs/105? guaranteed product is used continuously at 60?, it can be expected to
have a life of 5 years.
例 如: 对于105? 2000小时的产品,如果在60?环境中连续使用,它的预期寿命约5年。
浙公网安备 33021202002483