MCC255-18IO1 datasheet(4/4 Pages) IXYS

Part #	MCC255-18IO1

Description	Thyristor Modules Thyristor/Diode Modules

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Manufacturer	IXYS [IXYS Corporation]

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MCC 255

MCD 255

Fig. 7 Three phase AC-controller:

Power dissipation versus RMS

output current and ambient

temperature

Fig. 8 Transient thermal impedance

junction to case (per thyristor or

diode)

R

thJC for various conduction angles d:

d

R

thJC (K/W)

DC

0.139

180

°

0.148

120

°

0.156

60

°

0.176

30

°

0.214

Constants for Z

thJC calculation:

iR

thi (K/W)

t

i (s)

1

0.0066

0.00054

2

0.0358

0.098

3

0.0831

0.54

4

0.0129

12

Fig. 9 Transient thermal impedance

junction to heatsink (per thyristor

or diode)

R

thJK for various conduction angles d:

d

R

thJK (K/W)

DC

0.179

180

°

0.188

120

°

0.196

60

°

0.216

30

°

0.254

Constants for Z

thJK calculation:

iR

thi (K/W)

t

i (s)

1

0.0066

0.00054

2

0.0358

0.098

3

0.0831

0.54

4

0.0129

12

5

0.04

12

s

t

Z

thJK

s

t

10-3

10-2

10-1

100

101

102

0.00

0.05

0.10

0.15

0.20

0.25

0.30

K/W

Z

thJC

K/W

I

RMS

W

P

tot

0

25

50

75

100

125

150

0

100

200

300

400

500

0

500

1000

1500

2000

A

T

A

°C

10-3

10-2

10-1

100

101

102

0.00

0.05

0.10

0.15

0.20

0.25

DC

180°

120°

60°

30°

DC

180°

120°

60°

30°

R

thKA K/W

0.03

0.06

0.1

0.15

0.2

0.3

0.4

Circuit

W3

3xMCD255

3xMCC255 or

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