Datasheet

2007-04-19
2
BAS21...
Thermal Resistance
Parameter
Symbol Value Unit
Junction - soldering point
1)
BAS21
BAS21-03W
BAS21U
R
thJS
≤ 230
≤ 105
≤ 110
K/W
Electrical Characteristics at T
A
= 25°C, unless otherwise specified
Parameter
Symbol Values Unit
min. typ. max.
DC Characteristics
Breakdown voltage
I
(BR)
= 100 µA
V
(BR)
250 - - V
Reverse current
V
R
= 200 V
V
R
= 200 V, T
A
= 150 °C
I
R
-
-
-
-
0.1
100
µA
Forward voltage
I
F
= 100 mA
I
F
= 200 mA
V
F
-
-
-
-
1
1.25
V
AC Characteristics
Diode capacitance
V
R
= 0 V, f = 1 MHz
C
T
- - 5 pF
Reverse recovery time
I
F
= 30 mA, I
R
= 30 mA, measured at I
R
= 3mA,
R
L
= 100 Ω
t
rr
- - 50 ns
Test circuit for reverse recovery time
EHN00018
Oscillograph
Ι
F
D.U.T.
Puls generator: t
p
= 1µs, D = 0.05
t
r
= 0.6ns, R
i
= 50Ω
Oscillograph: R = 50Ω , t
r
= 0.35ns, C ≤ 1pF
1
For calculation of R
thJA
please refer to Application Note Thermal Resistance