參數(shù)資料
型號(hào)： R0830LS12G
廠商： WESTCODE SEMICONDUCTORS LTD
元件分類： 晶閘管
英文描述： 1713 A, 1200 V, SCR
封裝： 101A336, 3 PIN
文件頁數(shù)： 9/12頁
文件大?。?/td> 232K
代理商： R0830LS12G
WESTCODE
Positive development in power electronics
R0830LS12x to R0830LS14x
Data Sheet. Types R0830LS12x to R0830LS14x Issue 1
Page 6 of 12
April, 2001
14.0 Computer Modelling Parameters
14.1 Calculating VT using ABCD Coefficients
The on-state characteristic IT vs VT, on page 7 is represented in two ways;
(i)
the well established Vo and rs tangent used for rating purposes and
(ii)
a set of constants A, B, C, D, forming the coefficients of the representative equation for VT in
terms of IT given below:
()
T
I
D
I
C
I
B
A
V
+
+
+
=
ln
The constants, derived by curve fitting software, are given in this report for hot and cold characteristics
where possible. The resulting values for VT agree with the true device characteristic over a current range,
which is limited to that plotted.
125°C Coefficients
A
2.41395901
B
-0.2538009
C
0.00022821
D
0.04022639
14.2 D.C. Thermal Impedance Calculation
∑
=
=
n
p
t
p
t
p
e
r
1
τ
Where p = 1 to n, n is the number of terms in the series.
t = Duration of heating pulse in seconds.
rt = Thermal resistance at time t.
rp = Amplitude of pth term.
τ
p = Time Constant of rth term.
D.C. Double Side Cooled
Term
1234
rp
0.01771901
4.240625×10
-3
6.963806×10
-3
3.043661×10
-3
τ
p
0.7085781
0.1435833
0.03615196
2.130842×10
-3
D.C. Single Side Cooled
Term
12
345
rp
0.03947164
0.01022837
8.789912×10
-3
4.235162×10
-3
1.907609×10
-3
τ
p
4.090062
1.078983
0.08530917
0.01128791
1.240861×10
-3
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