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1.5KE82ARL4G

更新时间： 2024-01-03 02:37:19
品牌 Logo 应用领域
力特 - LITTELFUSE 二极管
页数 文件大小 规格书
8页 391K
描述
Trans Voltage Suppressor Diode, 1500W, 70.1V V(RWM), Unidirectional, 1 Element, Silicon, LEAD FREE, PLASTIC, CASE 41A-04, 2 PIN

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1.5KE82ARL4G 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：O-PALF-W2Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8541.10.00.50
风险等级：5.56其他特性：EXCELLENT CLAMPING CAPABILITY, UL RECOGNIZED, HIGH RELIABILITY, LOW IMPEDANCE
最大击穿电压：86.1 V最小击穿电压：77.9 V
外壳连接：ISOLATED配置：SINGLE
二极管元件材料：SILICON二极管类型：TRANS VOLTAGE SUPPRESSOR DIODE
JESD-30 代码：O-PALF-W2JESD-609代码：e3
最大非重复峰值反向功率耗散：1500 W元件数量：1
端子数量：2封装主体材料：PLASTIC/EPOXY
封装形状：ROUND封装形式：LONG FORM
峰值回流温度（摄氏度）：260极性：UNIDIRECTIONAL
最大功率耗散：5 W认证状态：Not Qualified
最大重复峰值反向电压：70.1 V表面贴装：NO
技术：ZENER端子面层：TIN
端子形式：WIRE端子位置：AXIAL
处于峰值回流温度下的最长时间：40Base Number Matches：1

1.5KE82ARL4G 数据手册

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TVS Diodes  
1500 Watt Zener Transient Voltage Suppressors  
Application Notes  
ResponseTime  
minimum lead lengths and placing the suppressor  
device as close as possible to the equipment or  
components to be protected will minimize this  
overshoot. Some input impedance represented by Zin  
is essential to prevent overstress of the protection  
device. This impedance should be as high as possible,  
without restricting the circuit operation.  
In most applications, the transient suppressor device  
is placed in parallel with the equipment or component  
to be protected. In this situation, there is a time  
delay associated with the capacitance of the device  
and an overshoot condition associated with the  
inductance of the device and the inductance of the  
connection method. The capacitance effect is of minor  
importance in the parallel protection scheme because  
it only produces a time delay in the transition from the  
operating voltage to the clamp voltage as shown in  
Figure 8.  
Duty Cycle Derating  
The data of Figure 1 applies for non-repetitive  
conditions and at a lead temperature of 25ºC. If  
the duty cycle increases, the peak power must  
be reduced as indicated by the curves of Figure  
7. Average power must be derated as the lead or  
ambient temperature rises above 25ºC. The average  
power derating curve normally given on data sheets  
may be normalized and used for this purpose.  
The inductive effects in the device are due to actual  
turn-on time (time required for the device to go from  
zero current to full current) and lead inductance. This  
inductive effect produces an overshoot in the voltage  
across the equipment or component being protected  
as shown in Figure 9. Minimizing this overshoot is  
very important in the application, since the main  
purpose for adding a transient suppressor is to clamp  
voltage spikes. These devices have excellent response  
time, typically in the picosecond range and negligible  
inductance. However, external inductive effects could  
produce unacceptable overshoot. Proper circuit layout,  
At first glance the derating curves of Figure 7  
appear to be in error as the 10 ms pulse has a higher  
derating factor than the 10 µs pulse. However, when  
the derating factor for a given pulse of Figure 7 is  
multiplied by the peak power value of Figure 1 for the  
same pulse, the results follow the expected trend.  
© 2017 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: 11/06/17  
1...345678

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