BAS19 BAS21 1 of 3 © 2002 Won-Top Electronics
BAS19 – BAS21
SURFACE MOUNT FAST SWITCHING DIODE
Features
! High Conductance L
! Fast Switching A
! Surface Mount Package Ideally Suited for
Automatic Insertion
! For General Purpose and Switching B C
! Plastic Material – UL Recognition Flammability
Classification 94V-O M
 E D
H
Mechanical Data
! Case: SOT-23, Molded Plastic K
! Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208 G
! Polarity: See Diagram
! Weight: 0.008 grams (approx.)
! Mounting Position: Any
! Marking: BAS19A8 TOP VIEW
BAS20 A80
BAS21 A82
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol BAS19 BAS20 BAS21 Unit
Non-Repetiti ve P eak Reverse Voltage VRM 120 200 250 V
Peak Repetit i ve Revers e Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR100 150 200 V
Forward Continuous Current (Note 1) IF400 mA
Average Rectified Output Current (Note 1) IO200 mA
Peak Forward Surge Current (Note 1) @ t = 1.0µs IFSM 2.5 A
Power Dissipation (Note 1) Pd350 mW
Typi cal Thermal Resistance, Junction t o Ambient Air (Note 1) RJA 500 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Electrical Characteristics @TA=25°C unless otherwise s pecified
Characteristic Symbol Min Max Unit Test Condition
Forward Voltage VF
1.0
1.25 V @ IF = 100mA
@ IF = 200mA
Reverse Leakage Current IR 100 nA @ Rated DC Blocking Voltage
Junction Capacitance Cj—5.0pF V
R = 0V, f = 1.0MHz
Reverse Recovery Time trr —50nS
IF = IR = 30m A,
IRR = 0.1 x IR, RL = 100
Note: 1. Device mounted on fiberglass subst rate 40 x 40 x 1.5mm.
WTE
POWER SEMICONDUCTORS
SOT-23
Dim Min Max
A0.37 0.51
B1.19 1.40
C2.10 2.50
D0.89 1.05
E0.45 0.61
G1.78 2.05
H2.65 3.05
J0.013 0.15
K0.89 1.10
L0.45 0.61
M0.076 0.178
All Dimensions in mm
TOP VIEW
10
1.0
100
1000
0.1
0.01
012
I , INSTANTANEOUS FORWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fi
g
. 1 Forward Characteristics
F
T=25C
j°
1
10
100
0.1
0.01
0 100 200
I , LEAKAGE CURRENT ( A)
Rµ
T , JUNCTION TEMPERATURE ( C)
Fig. 2 Leakage Current vs Junction Temperature
j°
BAS19 BAS21 2 of 3 © 2002 Won-Top Electronics
BAS19 BAS21 3 of 3 © 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.!
!!
!Package Type Shipping Quantity
BAS19-T1 SOT-23 3000/Tape & Reel
BAS19-T3 SOT-23 10000/Tape & Reel
BAS20-T1 SOT-23 3000/Tape & Reel
BAS20-T3 SOT-23 10000/Tape & Reel
BAS21-T1 SOT-23 3000/Tape & Reel
BAS21-T3 SOT-23 10000/Tape & Reel
Products listed in bold are WTE Preferred devices.
!T1 suffix refers to a 7” reel. T3 suffix refers to a 13” reel.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.
RECOMMENDED FOOTPRINT
inches
(
mm
)
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer . WTE reserves the right to change any or all information herein without further notice.
WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
We power your everyday.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http://www.wont op.com
0.035
(0.90)
0.031
(0.8)
0.035
(0.90)
0.079
(2.0)
0.037
(0.95)