Datasheet
STPS1L30
2/7
Table 4: Thermal Resistance
Table 5: Static Electrical Characteristics
Pulse test: * tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation: P = 0.225 x I
F(AV)
+ 0.075 I
F
2
(RMS)
Symbol Parameter Value Unit
R
th(j-l)
Junction to lead
SMA 30
°C/W
SMB 25
Symbol Parameter Tests conditions Min. Typ Max. Unit
I
R
*
Reverse leakage current
T
j
= 25°C
V
R
= V
RRM
200
µA
T
j
= 100°C
615
mA
V
F
*
Forward voltage drop
T
j
= 25°C
I
F
= 1A
0.395
V
T
j
= 125°C
0.26 0.3
T
j
= 25°C
I
F
= 2A
0.445
T
j
= 125°C
0.325 0.375
Figure 1: Average forward power dissipation
versus average forward current
Figure 2: Average forward current versus
ambient temperature (δ = 0.5)
Figure 3: Normalized avalanche power
derating versus pulse duration
Figure 4: Normalized avalanche power
derating versus junction temperature
P (W)
F(AV)
T
δ
=tp/T
tp
0.0 0.2 0.4 0.6 0.8 1.0 1.2
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
δ = 1
δ = 0.5
δ = 0.2
δ = 0.1
δ = 0.05
I (A)
F(AV)
0 25 50 75 100 125 150
I (A)
F(AV)
T
δ
=tp/T
tp
0.0
0.2
0.4
0.6
0.8
1.0
1.2
T (°C)
amb
R =100°C/W
th(j-a)
R =120°C/W
th(j-a)
R=R
th(j-a) th(j-I)
0.001
0.01
0.10.01 1
0.1
10 100 1000
1
t (µs)
p
P(t)
P (1µs)
ARM p
ARM
0
0.2
0.4
0.6
0.8
1
1.2
25 50 75 100 125 150
T (°C)
j
P(t)
P (25°C)
ARM p
ARM