Characteristics

STPS745

2/14

DocID3516 Rev 8

1

Characteristics

Table 2: Absolute ratings (limiting values, at 25 °C, unless otherwise specified)

Symbol

Parameter

Value

Unit

VRRM

Repetitive peak reverse voltage

45

V

IF(RMS)

Forward rms current

20

A

IF(AV)

Average forward current

δ = 0.5, square wave

TO-220AC / D2PAK

TC = 160 °C

7.5

A

TO-220FPAC

TC = 145 °C

IFSM

Surge non repetitive

forward current

tp = 10 ms sinusoidal

150

A

PARM

Repetitive peak

avalanche power

tp = 10 µs, Tj= 125 °C

190

W

Tstg

Storage temperature range

-65 to + 175

°C

Tj

Maximum operating junction temperature (1)

+ 175

°C

Notes:

(1)(dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink.

Table 3: Thermal parameter

Symbol

Parameter

Value

Unit

Rth(j-c)

Junction to case

TO-220AC / D2PAK

3.0

°C/W

TO-220FPAC

5.5

Table 4: Static electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IR(1)

Reverse leakage current

Tj = 25 °C

VR = VRRM

-

100

µA

Tj = 125 °C

-

5

15

mA

VF(1)

Forward voltage drop

Tj = 125 °C

IF = 7.5 A

-

0.5

0.57

V

Tj = 25 °C

IF = 15 A

-

0.84

Tj = 125 °C

IF = 15 A

-

0.65

0.72

Notes:

(1)Pulse test: tp = 380 µs, δ < 2%

To evaluate the conduction losses use the following equation:

P = 0.42 x IF(AV) + 0.020 IF2(RMS)