Characteristics

FERD40M45C

2/10

DocID024889 Rev 1

1

Characteristics

When the diodes 1 and 2 are used simultaneously:

To evaluate the conduction losses use the following equation:

2

(RMS)

Table 2. Absolute ratings (limiting values, per diode at 25° C, unless otherwise stated)

Symbol

Parameter

Value

Unit

Repetitive peak reverse voltage

45

V

Forward rms current

40

A

Average forward current,

 = 0.5

Per diode

Per device

20

40

A

Surge non repetitive forward current

275

A

Storage temperature range

-65 to + 175

°C

Maximum operating junction

175

°C

reverse bias, t = 1 hour)

200

1.

condition to avoid thermal runaway for a diode on its own heatsink

dPtot

dTj

---------------

1

Rth j

a

–



--------------------------



Table 3. Thermal resistances

Symbol

Parameter

Value

Unit

Junction to case

Per diode

Total

1.6

1.1

°C/W

Coupling

0.5

°C/W

Table 4. Static electrical characteristics (per diode)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

(1)

Reverse leakage current

650

µA

25

50

mA

(2)

Forward voltage drop

0.38

0.415

V

0.34

0.37

0.46

0.50

0.46

0.50

1.

2.