STPS1545D/F/FP/R/G

2/7

Symbol

Parameter

Value

Unit

Junction to case

TO-220AC, I

D

1.6

°C/W

ISOWATT220AC

TO-220FPAC

4.0

THERMAL RESISTANCES

Symbol

Parameter

Tests Conditions

Min.

Typ.

Max.

Unit

Reverse leakage current

Tj = 25°C

200

µA

Tj = 125°C

11

40

mA

Forward voltage drop

Tj = 125°C

0.5

0.57

V

Tj = 25°C

0.84

Tj = 125°C

0.65

0.72

STATIC ELECTRICAL CHARACTERISTICS

Pulse test :

* tp = 380 µs,

δ <2%

To evaluate the conduction losses use the following equation :

2

(RMS)

0

2

4

6

8

10

12

14

16

18

0

2

4

6

8

10

12

IF(av) (A)

PF(av)(W)

δ = 1

δ = 0.5

δ = 0.2

δ = 0.1

δ = 0.05

T

tp

Fig. 1: Average forward power dissipation versus

average forward current.

0

25

50

75

100

125

150

175

0

2

4

6

8

10

12

14

16

18

Tamb(°C)

IF(av)(A)

Rth(j-a)=Rth(j-c)

Rth(j-a)=15°C/W

TO-220AC

ISOWATT220AC

T

tp

Fig.

2:

Average

current

versus

ambient

temperature (

δ = 0.5).

0

0.2

0.4

0.6

0.8

1

1.2

0

25

50

75

100

125

150

T (°C)

j

P(t )

P

(25°C)

ARM p

ARM

Fig. 4: Normalized avalanche power derating

versus junction temperature.

0.001

0.01

0.1

0.01

1

0.1

10

100

1000

1

t (µs)

p

P(t )

P

(1µs)

ARM p

ARM

Fig. 3: Normalized avalanche power derating

versus pulse duration.