BAV21WSF
SURFACE MOUNT
Small Outline Flat Lead Plastic Package
High Voltage Switching Diode
REVERSE VOLTAGE – 250 Volts
FORWARD CURRENT – 0.2 Ampere
FEATURES
• Moisture Sensitivity Level 1
• Flat Lead SOD-323F Small Outline Plastic Package
• Surface device type mounting
• Green EMC
• Matte Tin(Sn) Lead Finish
• RoHS compliant
• Band Indicates Cathode
MECHANICAL DATA
•
Polarity: Color band denotes cathode
SOD-323F
SOD-323F
DIM. MIN.
MAX.
A 1.60 1.80
B 2.30 2.70
C 1.15 1.35
D 0.25 0.40
E 0.80 1.00
F 0.05 0.25
All Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25℃ unless otherwise specified
Characteristic Symbol
BAV21WSF Units
Maximum Repetitive Reverse Voltage V
RRM
250
V
Non-Repetitive Peak Forward Current
Pulse Width = 1.0 Second
Pulse Width = 1.0 µsecond
I
FSM
1
4 A
Power Dissipation P
D
200 mW
Operating Temperature Range T
J
+150 ℃
Storage Temperature Range T
STG
-65~+150 ℃
Average Rectified Forward Current I
F (AV)
200 mA
Electrical Characteristics
@
T
A
= 25℃ unless otherwise specified
Characteristic Test Condition Symbol
BAV21WSF Unit
Breakdown voltage
IR=100uA
B
V
250 V
Maximum Forward Voltage I
F
= 100mA
I
F
= 200mA V
F
1000
1200 mV
Maximum DC Reverse Current
at
Rated DC Blocking Voltage
V
R
= 200V I
R
100 nA
Typical Diode Capacitance V
R
=0V,f=1MHz C
D
5 pF
Reverse Recovery time
I
F
=I
R
=30mA,
I
RR
=3mA
R
L
=100Ω
trr 50 ns
Typical Thermal Resistance
RthJC
RthJL
RthJA
88
77
190
°C/W
REV. 1, Dec-2011, KSYR91
RATING AND CHARACTERISTIC CURVES
BAV21WSF
Figure 1. Forward Voltage vs Ambient Temperature Figure 2. Total Capacitance
Figure 3. Reverse Voltage vs Reverse Current
Device Marking:
Device P/N Marking code Equivalent Circuit Diagram
BAV21WSF S7
Legal Disclaimer Notice
BAV21WSF
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.
