MTP 3-Phase Rectifier Series

6

Bulletin I27145 rev. B 06/02

www.irf.com

Fig. 6 - Current Rating Characteristics

Fig. 8 - Maximum Non-Repetitive Surge Current

Fig. 9 - Maximum Non-Repetitive Surge Current

Fig. 10 - Current Rating Nomogram (1 Module Per Heatsink)

Total Output Current (A)

Number Of Equal Amplitude Half Cycle Current Pulses (N)

Instantaneous On-state Voltage (V)

Pulse Train Duration(s)

Maximum Allowable Ambient Temperature (°C)

Total Output Current (A)

Fig. 7 - On-state Voltage Drop Characteristics

1

10

100

1000

01

2345

Tj = 150˚C

Tj = 25˚C

70MT...P

100

150

200

250

300

350

1

10

100

At Any Rated Load Condition And With

Rated Vrrm Applied Following Surge.

Initial Tj = 150˚C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

70MT...P

Per Junction

50

100

150

200

250

300

350

400

0.01

0.1

1

Maximum Non Repetitive Surge Current

Versus Pulse Train Duration. Control

Of Conduction May Not Be Maintained.

Initial T j = 150˚C

No Voltage Reapplied

Rated V rrm Reapplied

70MT...P

Per Junction

0

30

60

90

120

150

0.3

K/W

0.4

K/W

0.5

K/W

1 K/W

0.2

K/W

0

50

100

150

200

250

300

020

40

60

80

120˚

(Rect)

Tj = 150˚C

70MT...P

60

70

80

90

100

110

120

130

140

150

160

0

10

203040

5060

7080

120˚

(Rect)

70MT...P

R

(DC) = 0.23 K/W

Per Module

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