STPS340U/S/B

2/7

Symbol

Tests Conditions

Tests Conditions

Min.

Typ.

Max.

Unit

Reverse leakage current

Tj=25

20

µA

Tj = 125

210

mA

Forward voltage drop

Tj=25

0.63

V

Tj=25

0.84

Tj = 125

0.52

0.57

Tj = 125

0.63

0.72

STATIC ELECTRICAL CHARACTERISTICS

Pulse test : * tp = 380 µs,

δ <2%

To evaluate the maximum conduction losses use the following equation :

2

(RMS)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0.0

0.5

1.0

1.5

2.0

2.5

IF(av) (A)

PF(av)(W)

T

tp

δ = 1

δ = 0.5

δ = 0.2

δ = 0.1

δ = 0.05

Fig. 1: Average forward power dissipation versus

average forward current.

0

25

50

75

100

125

150

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Tamb(°C)

IF(av)(A)

Rth(j-a)=65°C/W

Rth(j-a)=Rth(j-l)

(SMB/SMC)

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

(DPAK)

T

tp

Fig.

2:

Average

current

versus

ambient

temperature

(δ =0.5).

Symbol

Parameter

Value

Unit

Junction to leads

SMC

20

°C/W

SMB

25

Junction to case

DPAK

5.5

°C/W

THERMAL RESISTANCES

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.