參數(shù)資料
型號(hào)： R500CH26FE7
廠商： WESTCODE SEMICONDUCTORS LTD
元件分類(lèi)： 晶閘管
英文描述： 4980 A, 2600 V, SCR
封裝： 101A281, 3 PIN
文件頁(yè)數(shù)： 10/13頁(yè)
文件大?。?/td> 357K
代理商： R500CH26FE7
WESTCODE Positive development in power electronics
R500CH20 to R500CH28
Provisional Data Sheet. Types R500CH20 to R500CH28 Issue 1
Page 6 of 13
January, 2000
14.0 Computer Modelling Parameters
14.1 Calculating VT using ABCD Coefficients
The on-state characteristic IT vs VT, on page 11 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 characteristics where
possible. The resulting values for VT agree with the true device characteristic over a current range which is
limited to that plotted.
25°C Coefficients
125°C Coefficients
A
2.55370235
A
1.91935125
B
9.282949×10
-3
B
-2.537837×10
-3
C
1.261395×10
-4
C
2.602254×10
-4
D
-0.01063571
D
-0.01168784
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.
r
t = Thermal resistance at time t.
rp = Amplitude of pth term.
τp = Time Constant of rth term.
D.C. Double Side Cooled
Term
12
34
5
rp
3.9923×10
-3
3.78878×10
-3
1.350742×10
-3
1.378728×10
-3
4.276688×10
-4
τp
1.046993
0.3853506
0.1243419
0.01277299
6.863691×10
-3
D.C. Single Side Cooled
Term
1
234
rp
0.01254722
4.466491×10
-3
3.518626×10
-3
1.791548×10
-3
τp
10.41272
1.051407
0.1929561
9.884119×10
-3
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PDF描述
R500CH26FE8 4980 A, 2600 V, SCR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R500L 制造商:Mallory Sonalert Products Inc 功能描述:Res Wirewound POT 500 Ohm 10% 3W 1(Elec)/1(Mech)Turn 6.35mm (30.96 X 32.54mm) Solder Lug Panel Mount
R500M 制造商:Omron Corporation 功能描述:
R500-PS-V 制造商:Thomas & Betts 功能描述:NON-INS PRL SPLICE, 500 MCM, CMA 47 制造商:Thomas & Betts 功能描述:Splice Terminal 36.52mm 33.78mm Tin
R-500-W/FOAM ORG 功能描述:存儲(chǔ)箱與外殼 DISC MFG 5/01 12.0X13.0X6.0 ORG RoHS:否 制造商:Tektronix 顏色:Black 材料:Polypropylene 尺寸:23.25 in L x 20.75 in W x 9 in H
R-500-W/FOAM-BLACK 功能描述:存儲(chǔ)箱與外殼 DISC MFG 5/01 12.0X13.0X6.0 BLACK RoHS:否 制造商:Tektronix 顏色:Black 材料:Polypropylene 尺寸:23.25 in L x 20.75 in W x 9 in H
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