STPS1L30
Characteristics (curves)
1.1
Characteristics (curves)
Figure 1. Average forward power dissipation versus
average forward current
PF(AV)(W)
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.0
0.2
δ = 0.05 δ = 0.1 δ = 0.2
δ = 0.5
δ= 1
T
IF(A V) (A)
δ=tp/T
tp
0.4
0.6
0.8
1.0
1.2
Figure 2. Average forward current versus ambient
temperature (δ = 0.5)
IF(AV)(A)
6
5
4
SMA
3
SMB
Rth(j-a)=Rth(j-l)
2
T
1
δ=tp/T
tp
0
Tamb(°C)
0
25
50
75
100
125
150
Figure 3. Normalized avalanche power derating versus
junction temperature (Tj = 125 °C)
PARM (t p )
1 PARM(10 µs)
Figure 4. Relative variation of thermal impedance junction
to ambient versus pulse duration (SMB)
Zth(j-a)/ Rth(j-a)
1.00
SMB
0.1
0.01
0.001
1
t p(µs)
10
100
1000
0.10
Single pulse
0.01
1.E-03
1.E-02
1.E-01
tp(s)
1.E+00 1.E+01
1.E+02
1.E+03
DS1243 - Rev 7
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