Datasheet

1N581x
2/5
Symbol Parameter Tests Conditions 1N5817 1N5818 1N5819 Unit
I
R
*
Reverse leakage
current
Tj = 25°C V
R
=V
RRM
0.5 0.5 0.5 mA
Tj = 100°C
10 10 10 mA
V
F
*
Forward voltage drop Tj = 25°CI
F
=1A
0.45 0.50 0.55 V
Tj=25°CI
F
=3A
0.75 0.80 0.85 V
Pulse test : * tp = 380 µs, δ <2%
To evaluate the conduction losses use the following equations :
P=0.3xI
F(AV)
+ 0.090 I
F
2
(RMS )
for 1N5817 / 1N5818
P=0.3xI
F(AV)
+ 0.150 I
F
2
(RMS )
for 1N5819
STATIC ELECTRICAL CHARACTERISTICS
Symbol Parameter Value Unit
R
th (j-a)
Junction to ambient
Lead length = 10 mm 100 °C/W
R
th (j-l)
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
δ
=tp/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
δ
=tp/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
δ
=tp/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
δ
=tp/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).