Datasheet

BAS19L, BAS20L, BAS21L, BAS21DW5
http://onsemi.com
3
Notes: 1. A 2.0 k variable resistor adjusted for a Forward Current (I
F
) of 30 mA.
Notes: 2. Input pulse is adjusted so I
R(peak)
is equal to 30 mA.
Notes: 3. t
p
» t
rr
+10 V
2.0 k
820 
0.1 F
D.U.T.
V
R
100 H
0.1 F
50  OUTPUT
PULSE
GENERATOR
50  INPUT
SAMPLING
OSCILLOSCOPE
t
r
t
p
t
10%
90%
I
F
I
R
t
rr
t
I
R(REC)
= 3.0 mA
OUTPUT PULSE
(I
F
= I
R
= 30 mA; MEASURED
at I
R(REC)
= 3.0 mA)
I
F
INPUT SIGNAL
Figure 1. Recovery Time Equivalent Test Circuit
V
F
, FORWARD VOLTAGE (V)
0.1
10
20
V
R
, REVERSE VOLTAGE (V)
1.0
0.1
0.01
0.001
50 80 110 140
170
1.6
0
V
R
, REVERSE VOLTAGE (V)
1.4
1.0
0.6
0.4
C
D
, DIODE CAPACITANCE (pF)
246 8
I
F
, FORWARD CURRENT (mA)
Figure 2. V
F
vs. I
F
Figure 3. I
R
vs. V
R
Figure 4. Capacitance
I
R
, REVERSE CURRENT (μA)
1.0
10
100
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
85°C
55°C
150°C
125°C
25°C
-55°C
200 230
0.8
1.2
1357
Cap
-40°C
260
150°C
125°C
85°C
55°C
25°C