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參數(shù)資料

型號：	R295CH36D2H5
廠商：	WESTCODE SEMICONDUCTORS LTD
元件分類：	晶閘管
英文描述：	1755 A, 3600 V, SCR
封裝：	101A223, 3 PIN
文件頁數(shù)：	8/15頁
文件大小：	297K
代理商：	R295CH36D2H5

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Provisional Data. Types R295CH36 to R295CH40 Issue 1

Page ii

August, 2000

Contents

Abstract......................................................................................................................................................... i

Contents....................................................................................................................................................... ii

Introduction ................................................................................................................................................. ii

Absolute Maximum Ratings ....................................................................................................................... 1

Characteristics ............................................................................................................................................ 2

Notes on Ratings and Characteristics ...................................................................................................... 3

1.0 Voltage Grade Table ........................................................................................................................... 3

2.0 Extension of Voltage Grades............................................................................................................... 3

3.0 Extension of Turn-off Time .................................................................................................................. 3

4.0 Repetitive dv/dt .................................................................................................................................... 3

5.0 De-rating Factor................................................................................................................................... 3

6.0 Rate of rise of on-state current ............................................................................................................ 3

7.0 Square wave ratings ............................................................................................................................ 3

8.0 Duty cycle lines .................................................................................................................................... 3

9.0 Maximum Operating Frequency .......................................................................................................... 3

10.0 On-State Energy per Pulse Characteristics....................................................................................... 4

11.0 Reverse recovery ratings................................................................................................................... 4

12.0 Reverse Recovery Loss .................................................................................................................... 4

12.1 Determination by Measurement....................................................................................................................................... 4

12.2 Determination without Measurement ............................................................................................................................... 5

NOTE 1- Reverse Recovery Loss by Measurement ................................................................................. 5

13.0 Gate Drive ......................................................................................................................................... 5

14.0 Computer Modelling Parameters....................................................................................................... 6

14.1 Calculating VT using ABCD Coefficients .......................................................................................................................... 6

14.2 D.C. Thermal Impedance Calculation .............................................................................................................................. 6

14.3 Recovery parameter estimation ....................................................................................................................................... 7

Curves .......................................................................................................................................................... 8

Figure 1 - On-state characteristics of Limit device .................................................................................... 8

Figure 2 - Transient thermal impedance ................................................................................................... 8

Figure 3 - Gate characteristics - Trigger limits .......................................................................................... 8

Figure 4 - Gate characteristics - Power curves ......................................................................................... 8

Figure 5 - Total recovered charge, Qrr....................................................................................................... 9

Figure 6 - Recovered charge, Qra (50% chord) ......................................................................................... 9

Figure 7 - Peak reverse recovery current, Irm ............................................................................................ 9

Figure 8 - Maximum recovery time, trr (50% chord)................................................................................... 9

Figure 9 - Reverse recovery energy per pulse ........................................................................................ 10

Figure 10 - Sine wave energy per pulse .................................................................................................. 10

Figure 11 - Sine wave frequency ratings, 55°C heatsink......................................................................... 10

Figure 12 - Sine wave frequency ratings, 85°C heatsink......................................................................... 10

Figure 13 - Square wave frequency ratings, 55°C heatsink, 100A/s ..................................................... 11

Figure 14 - Square wave frequency ratings, 55°C heatsink, 500A/s ..................................................... 11

Figure 15 - Square wave frequency ratings, 85°C heatsink, 100A/s ..................................................... 11

Figure 16 - Square wave frequency ratings, 85°C heatsink, 500A/s ..................................................... 11

Figure 17 - Square wave energy per pulse, 100A/s .............................................................................. 12

Figure 18 - Square wave energy per pulse, 500A/s .............................................................................. 12

Figure 19 - Maximum surge and I

2t Ratings............................................................................................ 12

Outline Drawing & Ordering Information................................................................................................ 13

Introduction

The R295 series of Distributed Gate thyristors have fast switching characteristics provided by a

regenerative, interdigitated gate. They also exhibit low switching losses. They are therefore suitable for

medium current, medium frequency applications.

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