Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

trr

Reverse recovery time

IF = 50 A, VR = 300 V,

VGE = ±15 V, di/dt = 2010 A/μs,

TJ = 150 °C

-

270

ns

Qrr

Reverse recovery charge

-

5.98

µC

Irrm

Reverse recovery current

-

62

A

Erec

Reverse recovery energy

-

1.6

mJ

RTHj-c

Thermal resistance junction-to-

case

Each diode

-

1.0

1.1

°C/W

RTHc-h

Thermal resistance case-to-

heatsink

Each diode, λgrease = 1 W/(m·°C)

-

0.9

°C/W

1.3

Converter stage

Limiting values at TJ = 25 °C, unless otherwise specified.

Table 9. Absolute maximum ratings of the bridge rectifiers

Symbol

Description

Value

Unit

VRRM

Repetitive peak reverse voltage

1600

V

IF

RMS forward current

50

A

IFSM

Forward surge current tp = 10 ms, TC = 25 °C

450

A

Forward surge current tp = 10 ms, TC = 150 °C

365

I2t

tp = 10 ms, TC = 25 °C

1012

A2s

tp = 10 ms, TC = 150 °C

666

TJMAX

Maximum junction temperature

175

°C

TJop

Operating junction temperature range under switching conditions

-40 to 150

°C

Table 10. Electrical characteristics of the bridge rectifiers

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VF

(terminal)

Forward voltage

IF = 50 A

-

1.23

1.6

V

IF = 50 A, TJ = 150 ˚C

-

1.14

IR

Reverse current

TJ = 150 ˚C, VR = 1600 V

-

1

mA

RTHj-c

Thermal resistance junction-to-

case

Each diode

-

1.00

1.10

°C/W

RTHc-h

Thermal resistance case-to-

heatsink

Each diode, λgrease = 1 W/(m·°C)

-

0.95

°C/W

A2C50S65M2

Converter stage

DS12340 - Rev 3

page 6/16