Datasheet > M0437WC080

M0437WC080

更新时间： 2022-02-26 12:43:14

品牌	Logo	应用领域
IXYS		/
页数	文件大小	规格书
11页	794K
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Soft Recovery Diode

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M0437WC080 数据手册

Soft Recovery Diode Types M0437WC080 to M0437WC140

7.0 Computer Modelling Parameters

7.1 Device Dissipation Calculations

V_{T 0} V_{T 0} 4 ff ²r W_AV

I_AV

2 ff ²r

Where V_T0=1.02V, r_T= 0.7m

ff = form factor (normally unity for fast diode applications)

T

W_AV

T  T_{j(MAX )}T_K

7.2 Calculation of V_Fusing ABCD Coefficients

The forward characteristic I_FVs V_F, on page 6 is represented in two ways;

(i)

(ii)

the well established V_T0and r_Ttangent used for rating purposes and

a set of constants A, B, C, and D forming the coefficients of the representative equation for V_Fin

terms of I_Fgiven below:

V_F A Bln(I_F)  C  I_F D I_F

The constants, derived by curve fitting software, are given in this report for hot characteristics. The

resulting values for V_Fagree with the true device characteristic over a current range, which is limited to

that plotted.

25°C Coefficients

1.302374

125°C Coefficients

1.045854

-0.0506835

-9.16642×10^-3

0.673625×10^-3

1.694905×10^-3

0.55207×10^-3

9.58025×10^-3

8.0 Frequency Ratings

The curves illustrated in figures 4 to 12 are for guidance only and are superseded by the maximum ratings

shown on page 1.

9.0 Square wave ratings

These ratings are given for load component rate of rise of forward current of 100 and 500 A/µs.

10.0 Duty cycle lines

The 100% duty cycle is represented on all the ratings by a straight line. Other duties can be included as

parallel to the first.

Data Sheet. Types M0437WC080 to M0437WC140 Issue 3

Page 5 of 11

October 2014

1 2 3 456 7 8...11

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