Datasheet

1N5817, 1N5818, 1N5819 Characteristics
Doc ID 6262 Rev 5 3/7
Figure 1. Average forward power dissipation
versus average forward current
(1N5817/1N5818)
Figure 2. Average forward power dissipation
versus average forward current
(1N5819)
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
d
=tp/T
tp
d = 0.2
d = 0.5
d =1
d = 0.05
d = 0.1
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
d
=tp/T
tp
d = 0.2
d = 0.5
d =1
d = 0.05
d = 0.1
Figure 3. Average forward current versus
ambient temperature
(δ = 0.5) (1N5817/1N5818)
Figure 4. Average forward current versus
ambient temperature
(δ = 0.5) (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
d
=tp/T
tp
Rth(j-a)=100°C/W
Rth(j-a)=Rth(j-l)=45°C/W
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
d
=tp/T
tp
Rth(j-a)=100°C/W
Rth(j-a)=Rth(j-l)=45°C/W
Figure 5. Normalized avalanche power
derating versus pulse duration
Figure 6. Normalized avalanche power
derating versus junction
temperature
0.001
0.01
0.10.01 1
0.1
10 100 1000
1
t (µs)
p
P(t
p
)
P (1 µs)
ARM
ARM
0
0.2
0.4
0.6
0.8
1
1.2
25 50 75 100 125 150
T (°C)
j
P(T
j
)
P (25 °C)
ARM
ARM