Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272

POW-R-BLOK

TM

Dual SCR/Diode Isolated Module

90 Amperes / Up to 1600 Volts

Revision Date: 11/1/2001

CD42__90

CD47__90

0

180

360

CONDUCTION ANGLE

Maximum On-State Power Dissipation

15°

30°

60°

90°

120°

180°

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

0

1020

30405060

708090

100

Average On-State Current - It/If(av) - Amperes

(Sinusoidal Waveform)

0

180

360

CONDUCTION ANGLE

Maximum Allowable Case Temperature

120°

90°

60°

30°

15°

180°

85

90

95

100

105

110

115

120

125

0

10

20

304050

607080

90

100

Average On-State Current - It/If(av) - Amperes

(Sinusoidal Waveform)

0

180

360

CONDUCTION ANGLE

Maximum On-State Power Dissipation

360°

270°

180°

120°

30°

60°

90°

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

Average On-State Current - It/If(av) - Amperes

(Rectangular Waveform)

0

180

360

CONDUCTION ANGLE

Maximum Allowable Case Temperature

270°

180°

120°

90°

60°

30°

360°

75

80

85

90

95

100

105

110

115

120

125

0

10

203040506070

8090

100 110 120 130 140 150

Average On-State Current - It/If(av) - Amperes

(Rectangular Waveform)

Maximum On-State Forward Voltage Drop

0

0.5

1

1.5

2

2.5

3

3.5

4

10

100

1000

Instantaneous On-State Current - Itm / Ifm - Amperes

( Tj = 125 °C )

Maximum Transient Thermal Impedance

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.001

0.01

0.1

1

10

100

Time - t - Seconds

(Junction to Case)