Datasheet > M0347WC200

M0347WC200

更新时间： 2023-12-06 20:13:25

品牌	Logo	应用领域
力特 - LITTELFUSE		软恢复二极管
页数	文件大小	规格书
12页	700K
描述
我们的软恢复二极管提供多种反向恢复特性，可满足续流和缓冲应用的需求。这些器件可提供高达6kV的阻断电压和高达2413A的平均电流，并采用24mm至75mm直径的硅片。这些器件尤其适用于要求软恢

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M0347WC200 数据手册

Soft Recovery Diode Types M0347WC200 to M0347WC250

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=1.21V, r_T= 1.2m

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 both hot and cold

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

0.87187923

0.1055038

125°C Coefficients

0.587928797

0.1463923

4.2048×10^-4

7.03326×10^-3

5.28421×10^-4

4.038341×10^-3

8.0 Frequency Ratings

The curves illustrated in figures 8 to 16 are for guidance only and are superseded by the maximum ratings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 M0347WC200 to M0347WC250 Issue 2

Page 5 of 11

October 2014

1 2 3 456 7 8...12

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