FAST SWITHING DIODES
DN:T21526A1
http://www.microdiode.com Rev:2021A1 Page :1
BAV19W THRU BAV21W
Features
Fast switching speed
Surface mount package ideally suited
for automatic insertion
For general purpose switching applications High
conductance
Reverse Voltage 120-250 Volts Forward Current - 0.2Ampere
Mechanical Data
Case : JEDEC SOD-123 molded plastic body
Terminals : Plated leads solderable per MIL-STD-750,
Method 2026
Polarity : Polarity symbols marked on case
Weight
: 0.00056 ounce, 0.016 grams
Marking:BAV19W:A8, BAV20W:T2, BAV21W:T3
Absolute Maximum Ratings at 25 °C
Characteristics at Ta= 25 °C
Dimensions in inches and (millimeters)
BAV19W
250
200
1
625
500
500
-55 to +150
200
SYMBOLS
UNITS
VRRM
VRWM
VR
Peak repetitive peak reverse voltage
Working peak reverse voltage
DC Blocking voltage
RMS Reverse voltage
Forward continuous current
Average rectified output current
Peak forward surge current @=1s
@=1ms
Repetitive peak forward current
Power dissipation
Thermal resistance junction to ambient
Storage temperature
Non-Repetitive peak reverse voltage
TSTG
VRM
V
V
mA
mA
A
mA
mW
K/W
C
V
BAV20W BAV21W
200
106
VR(RMS)
IFM
IO
Pd
PARAMETER
IFSM
RΘJA
IFRM
120 250
71
141
120
250
SYMBOLS
Conditions
VF1
VF2
IR
CT
trr
Forward voltage
Reverse current
BAV19W
BAV20W
BAV21W
Capacitance between terminals
Reverse recovery time
PARAMETER
Min. Typ. Max. Unit
V
V
pF
ns
IF=0.1A
IF=0.2A
VR=120V
VR=200V
VR=250V
VR=4V,f=1.0MHz
IF=IR
=10mA
Irr=0.1XIR,RL=100
1.0
1.25
0.1
0.1
0.1
5
50
uA
uA
uA
SOD-123
0.0035 (0.09)
1.050 (0.041)
0.0087 (0.22)
1.250 (0.049)
0.008 (0.2 )
0.018 (0.45)
0.010 (0.25)
0.019 (0.475) ref.
0° to 8°
0.110(2.80)
0.098(2.50)
Cathode bar
0.071(1.80)
0.028(0.70)
0.020(0.50)
0.154 (3.90)
0.142 (3.60)
0.059(1.50)
0.008(0.20)max.
3
9
@=1us
Rev:2021A1 Page :2
Typical Characterisitics
The curve above is for reference only.
http://www.microdiode.com
BAV19W THRU BAV21W
Reverse Voltage 120-250 Volts Forward Current - 0.2Ampere
100
200
300
400
500
600
0.0
25 50
75
100 125 150 175
Fig.1 Power Derating Curve
Total Power Dissipation (mW)
Ambient Temperature (°C)
Fig.3 Typical Instaneous Forward
Characteristics
Instaneous Forward Current (A)
0.2 0.4 0.6 1.2 1.40.0
0.01
0.1
1.0
Instaneous Forward Voltage (V)
T
J
=25°C
Fig.2 Typical Reverse Characteristics
0.01
0.1
1
100
20 40 60 80 100 12000
percent of Rated Peak Reverse Voltage (%)
Instaneous Reverse Current
（
μ
A
）
Fig.4 Typical Junction Capacitance
JunctionCapacitance ( pF)
1.0 10 1000.1
1
10
100
Reverse Voltage (V)
T
J
=25°C
10
T
J
=25°C
T
J
=150 °C
0.8 1.0 1.6