BAS70W/AW/CW/SW 1 of 4 © 2003 Won-Top Electronics
BAS70W / AW / CW / SW
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
! Low Turn-on Voltage L
! Fast Switching A
! PN Junction Guard Ring for T ransient and
ESD Protection
! Designed for Surface Mount Application B C
! Plastic Material – UL Recognition Flammability
Classification 94V-O M
 E D
H
Mechanical Data
! Case: SOT-323, Molded Plastic K
! Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208 G
! Polarity: See Diagrams Below
! Weight: 0.006 grams (approx.)
! Mounting Position: Any
TOP VIEW TOP VIEW TOP VIEW TOP VIEW
BAS70W Marking: A70 BAS70AW Marking: A72 BAS70CW Marking: A73 BAS70SW Marking: A74
Maximum Ratings and Electrical Characteristics, Single Diode @TA=25°C unless otherwis e specif ied
Characteristic Symbol Value Unit
Peak Repetitive Revers e Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR70 V
Forward Continuous Current (Note 1) IF200 mA
Forward Surge Current (Note 1) @ t < 1.0s IFSM 600 mA
Power Dissipati on (Note 1) Pd200 mW
Typic al Therm al Resis t ance, J unction to Ambient Air (Note 1) RJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG
-55 to +150 °C
Note: 1. Device on fiberglass subst rate.
WTE
POWER SEMICONDUCTORS
SOT-323
Dim Min Max
A0.30 0.40
B1.15 1.35
C2.00 2.20
D0.65 Nominal
E0.30 0.40
G1.20 1.40
H1.80 2.20
J—0.10
K0.90 1.10
L0.25 —
M0.05 0.15
All Dimensions in mm
T
O
P VIEW
BAS70W/AW/CW/SW 2 of 4 © 2003 Won-Top Electronics
Maximum Ratings and Electrical Characteristics, Single Diode @TA=25°C unless otherwis e specif ied
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage V(BR)R 70 — — V @ IR = 10µA
Forward Voltage VF——
410
750
1000 mV @ IF = 1.0mA , tp < 300µs
@ IF = 10mA, tp < 300µs
@ IF = 15mA, tp < 300µs
Reverse Leakage Current IR— 20 100 nA @ VR = 50V, tp < 300µs
Junction Capacitance Cj—1.52.0pF V
R = 0V, f = 1 .0MHz
Reverse Recovery Time trr ——5.0nS
IF = 10mA through IR = 1 0mA
to IR = 1 .0m A , RL = 100
BAS70W/AW/CW/SW 3 of 4 © 2003 Won-Top Electronics
0100 200
2
5
0
200
150
50
100
0
T , AMBIENT TEMPERATURE (°C)
A
Fi
g
. 4 Power Deratin
g
Curve, Total Packa
g
e
P , POWER DISSIPATION (mW)
d
0
0.2
0.4
0.6
0.8
1.4
1.2
1.0
1
.
8
1.6
010
520 25
15 35
30 40
C , TOTAL CAPACITANCE (pF)
T
V , REVERSE VOLTAGE (V)
R
Fi
g
.3 T
y
pical Capacitance
f= 1.0MHz
0.1
1
10
100
1000
10000
020
10 30 6050
40 70
V , REVERSE VOLTAGE (V)
R
Fi
g
.2 T
y
pical Reverse Characteristics
I , INSTANTANEOUS REVERSE CURRENT (nA)
R
T = -40ºC
A
T = 25ºC
A
T = 75ºC
A
T = 125ºC
A
T = 0ºC
A
0.1
0
1.0
10
0.4 0.6
0.2 0.8 1.2
1.0 1.4 1.6
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fi
g
. 1 T
y
pical Forward Characteristics
I , INSTANTANEOUS FORWARD CURRENT (mA)
F
100
T = 125ºC
A
T = -40ºC
A
T = 75ºC
A
T = 25ºC
A
T = 0ºC
A
BAS70W/AW/CW/SW 4 of 4 © 2003 Won-Top Electronics
ORDERING INFORMATION
Product No.!
!!
!Package Type Shipping Quantity
BAS70W-T1 SOT-323 3000/Tape & Reel
BAS70W-T3 SOT-323 10000/Tape & Reel
BAS70AW-T1 SOT-323 3000/Tape & Reel
BAS70AW-T3 SOT-323 10000/Tape & Reel
BAS70CW-T1 SOT-323 3000/Tape & Reel
BAS70CW-T3 SOT-323 10000/Tape & Reel
BAS70SW-T1 SOT-323 3000/Tape & Reel
BAS70SW-T3 SOT-323 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)
0.028
(0.70)
0.035
(0.90)
0.075
(1.90)
0.025
(0.64)