Characteristics

FERD40U50C

2/8

DocID027943 Rev 1

1

Characteristics

When 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 specified)

Symbol

Parameter

Value

Unit

Repetitive peak reverse voltage

50

V

Forward rms current

40

A

Average forward current,

δ = 0.5

Per diode

20

A

Per device

40

Surge non repetitive forward current

250

A

Storage temperature range

-65 to + 175

°C

(1)

Maximum operating junction temperature

175

°C

1.

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

dP tot

dTj

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

1

Rth j

a

–

()

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

<

Table 3. Thermal resistance

Symbol

Parameter

Value (max)

Unit

Junction to case

Per diode

4.1

°C/W

Total

3.3

Coupling

2.4

Table 4. Static electrical characteristics (per diode)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

(1)

Reverse leakage current

0.8

mA

30

60

mA

460

µA

20

40

mA

(2)

Forward voltage drop

0.25

V

0.33

0.41

0.46

0.39

0.43

0.44

0.49

0.43

0.48

1.

2.