STPS20100CT

2/4

Symbol

Parameter

Value

Unit

Rth (j-c)

Junction to case

Per diode

1.6

°C/W

Total

0.9

Rth (c)

Coupling

0.15

°C/W

When the diodes 1 and 2 are used simultaneously :

Tj-Tc(diode 1)=P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c)

THERMAL RESISTANCES

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

IR*

Reverse leakage current

VR =VRRM

Tj = 25°C

150

µA

Tj = 125°C

100

mA

VF**

Forward voltage drop

IF = 20A

Tj = 125°C

0.85

V

IF = 10A

Tj = 125°C

0.60

0.70

IF = 20A

Tj = 25°C

0.95

Pulse test : * tp = 5 ms, duty cycle<2%

** tp = 380

µs, duty cycle<2%

To evaluate the conduction losses use the following equation :

P=0.55xIF(AV) + 0.015 x IF

2

(RMS)

ELECTRICAL CHARACTERISTICS (Per diode)

STATIC CHARACTERISTICS

012345

6789 10 11 12 13 14 15

0

1

2

3

4

5

6

7

8

9

10

11

12

=0.05

=0.1

=0.2

=0.5

T

=tp/T

tp

IF(av)(A)

PF(av)(W)

=1

Fig. 1 : Average forward power dissipation versus

average forward current. (Per diode)

0

25

50

75

100

125

0

2

4

6

8

10

12

T

=tp/T

tp

=0.5

F(av)(A)

I

o

Tamb( C)

Rth(j-a)=15

C/W

o

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

Fig.

2

:

Average

current

versus

ambient

temperature. (duty cycle : 0.5) (Per diode)