BAS21, BAS21A/C/S
SURFACE MOUNT
FAST SWITCHING DIODE
REVERSE VOLTAGE – 250 Volts
FORWARD CURRENT – 0.2 Ampere
FEATURES
•
Fast Switching Speed
•
Ideally suited for automatic insertion
•
For general purpose switching applications
MECHANICAL DATA
•
Case: SOT-23 Plastic
•
Case Material: “Green” molding compound, UL
flammability classification 94V-0, (No Br. Sb. CI)
•
Moisture Sensitivity: Level 1 per J-STD-020D
•
Lead Free in RoHS 2002/95/EC Compliant
SOT-23
SOT-23
Dim. Min. Max.
A 0.90 1.15
A1 0.00 0.10
b 0.30 0.50
c 0.08
0.15
D 2.80 3.00
E 2.25 2.55
E1 1.20 1.40
e 0.95 Typ.
e1 1.80 2.00
L 0.55 Ref.
L1 0.30 0.50
Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25℃ unless otherwise specified
Characteristic Symbol
BAS21 BAS21A
BAS21C
BAS21S
Units
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
250 V
Forward Continuous Current I
FM
400 mA
Average Rectified Output Current I
O
200 mA
Repetitive Peak Forward Current
@t=1us
@t=1s I
FSM
2.5
0.5 A
Repetitive Peak Forward Surge Current I
FRM
625 mA
Power Dissipation P
D
225 mW
Thermal Resistance Junction to Ambient R
Θ
JA
556 /W℃
Operating Temperature Range T
J
150 ℃
Storage Temperature Range T
STG
-65~+150 ℃
Electrical Characteristics
@
T
A
= 25℃ unless otherwise specified
Characteristic Test Condition
Symbol
BAS21 BAS21A
BAS21C
BAS21S
Unit
Reverse Breakdown Voltage I
R
= 100uA V
BR
250 V
Maximum Forward Voltage I
F
= 100mA
I
F
= 200mA V
F
1
1.25 V
Maximum DC Reverse Current
at Rated DC Blocking Voltage
V
R
= 200V I
R
1 uA
Typical Diode Capacitance V
R
=0V,f=1MHz
C
D
5 pF
Reverse Recovery time
Irr=3mA,
I
F
=I
R
=30mA,
R
L
=100Ω
trr 50 nS
REV. 2, Oct-2010, KSYR26
RATING AND CHARACTERISTIC CURVES
BAS21, BAS21A/C/S
Fig.1 Typical Forward Characteristics Fig.2 Typical Reverse Characteristics
Device Marking :
Device P/N Marking Equivalent Circuit Diagram
BAS21 JS
BAS21A JS2
BAS21C JS3
BAS21S JS4
Legal Disclaimer Notice
BAS21, BAS21A/C/S
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.
