1N581x

2/5

Symbol

Parameter

Tests Conditions

1N5817 1N5818 1N5819

Unit

Reverse leakage

current

Tj = 25°C

0.5

0.5

0.5

mA

Tj = 100°C

10

10

10

mA

Forward voltage drop

Tj = 25

0.45

0.50

0.55

V

Tj=25

0.75

0.80

0.85

V

Pulse test : * tp = 380

µs, δ <2%

To evaluate the conduction losses use the following equations :

2

2

STATIC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Value

Unit

Junction to ambient

Lead length = 10 mm

100

°C/W

Junction to lead

Lead length = 10 mm

45

°C/W

THERMAL RESISTANCES

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

0.0

0.1

0.2

0.3

0.4

0.5

0.6

PF(av)(W)

IF(av) (A)

T

tp

δ = 0.2

δ = 0.5

δ = 1

δ = 0.05

δ = 0.1

Fig. 1: Average forward power dissipation versus

average forward current (1N5817/1N5818).

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

PF(av)(W)

IF(av) (A)

T

tp

δ = 0.2

δ = 0.5

δ = 1

δ = 0.05

δ = 0.1

Fig. 2: Average forward power dissipation versus

average forward current (1N5819).

0

25

50

75

100

125

150

0.0

0.2

0.4

0.6

0.8

1.0

1.2

IF(av)(A)

Tamb(°C)

T

tp

Rth(j-a)=100°C/W

Rth(j-a)=Rth(j-l)=45°C/W

Fig. 2-1: Average forward current versus ambient

temperature (

δ=0.5) (1N5817/1N5818).

0

25

50

75

100

125

150

0.0

0.2

0.4

0.6

0.8

1.0

1.2

IF(av)(A)

Tamb(°C)

T

tp

Rth(j-a)=100°C/W

Rth(j-a)=Rth(j-l)=45°C/W

Fig. 2-2: Average forward current versus ambient

temperature (

δ=0.5) (1N5819).