参数资料
型号: MDD710-24N1
厂商: WESTCODE SEMICONDUCTORS LTD
元件分类: 参考电压二极管
英文描述: 1198 A, 2400 V, SILICON, RECTIFIER DIODE
文件页数: 4/9页
文件大小: 335K
代理商: MDD710-24N1
IXYS
Diode Module Types MD#710-22N1 to MD#710-26N1
Rating Report. Types MD#710-22N1 and MD#710-26N1 Issue 1
Page 4 of 9
May, 2008
5.2 Calculating VF using ABCD Coefficients
The on-state characteristic IF vs. VF, on page 6 is represented in two ways:
(i)
The well established VT0 and rT tangent used for rating purposes
(ii)
A set of constants A, B, C, D, forming the coefficients of the representative equation for VF in
terms of IF given below:
()
F
I
D
I
C
I
B
A
V
+
+
+
=
ln
The constants, derived by curve fitting software, are given below for both hot and cold characteristics. The
resulting values for VF agree with the true device characteristic over a current range, which is limited to
that plotted.
25°C Coefficients
150°C Coefficients
A
0.9793297
A
0.5657172
B
0.02691659
B
0.03677309
C
1.928214e
-4
C
3.198422e
-4
D
7.102171e
-4
D
3.316503e
-4
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