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MLL821A-1TRE3 PDF预览

MLL821A-1TRE3

更新时间: 2024-10-29 04:49:47
品牌 Logo 应用领域
美高森美 - MICROSEMI /
页数 文件大小 规格书
3页 131K
描述
Zener Diode, 6.2V V(Z), 5%, 0.5W

MLL821A-1TRE3 数据手册

 浏览型号MLL821A-1TRE3的Datasheet PDF文件第1页浏览型号MLL821A-1TRE3的Datasheet PDF文件第2页 
1N821UR thru 1N829AUR-1, e3  
(or MLL821 thru MLL829-1, e3)  
6.2 & 6.55 Volt Temperature Compensated  
Surface Mount Zener Reference Diodes  
S C O T T S D A L E D I V I S I O N  
GRAPHS  
I – Operating Current (mA)  
Z
I – Operating Current (mA)  
Z
FIGURE 2  
FIGURE 3  
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT  
WITH CHANGE IN OPERATING CURRENT.  
TYPICAL CHANGE OF ZENER VOLTAGE  
WITH CHANGE IN OPERATING CURRENT  
The curve shown in Figure 2 is typical of the diode series and greatly simplifies  
the estimation of the Temperature Coefficient (TC) when the diode is operated at  
currents other than 7.5mA.  
This curve in Figure 3 illustrates the change of diode  
voltage arising from the effect of impedance. It is in effect  
an exploded view of the zener operating region of the I-V  
characteristic.  
EXAMPLE: A diode in this series is operated at a current of 7.5mA and has  
specified Temperature Coefficient (TC) limits of +/-0.005%/oC. To obtain the  
typical Temperature Coefficient limits for this same diode operated at a current of  
6.0mA, the new TC limits (%/oC) can be estimated using the graph in FIGURE 2.  
At a test current of 6.0mA the change in Temperature Coefficient (TC) is  
approximately –0.0006%.oC. The algebraic sum of +/-0.005%oC and –  
0.0006%/oC gives the new estimated limits of +0.0044%/oC and -0.0056%/oC.  
In conjunction with Figure 2, this curve can be used to  
estimate total voltage regulation under conditions of both  
varying temperature and current.  
PACKAGE DIMENSIONS  
INCHES  
MILLIMETERS  
MIN MAX  
1.60 1.70  
DIM  
A
MIN  
MAX  
0.067  
0.146  
0.022  
0.063  
0.130  
0.016  
3.30  
0.41  
3.70  
0.55  
B
C
PAD LAYOUT  
INCHES  
.200  
.055  
mm  
5.08  
1.40  
2.03  
A
B
C
.080  
Copyright © 2005  
7-18-2005 REV B  
Microsemi  
Page 3  
Scottsdale Division  
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503  

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