BAS40WS 1 of 3 © 2006 Won-Top Electronics
Pb
BAS40WS
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
Low Turn-on Voltage
Fast Switching A
PN Junction Guard Ring for Transient and
ESD Protection
Designed for Surface Mount Application C
Plastic Material – UL Recognition Flammability D
Classification 94V-O B
E
Mechanical Data H
Case: SOD-323, Molded Plastic G
Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.004 grams (approx.)
Marking: Device Code, See Page 2
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 3
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol BAS40WS Unit
Peak Repetitive Revers e Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR 40 V
Forward Continuous Current (Note 1) IF 200 mA
Forward Surge Current @ t < 1.0s IFSM 600 mA
Power Dissipation (Note 1) Pd 200 mW
Typical Thermal Resistance, Junction to Ambient Air (Note 1) RθJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG -55 to +125 °C
Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage V(BR)R 40 — — V @ IR = 10µA
Forward Voltage VF — — 380
500
1000 mV @ IF = 1.0mA, t < 300µs
@ IF = 10mA, t < 300µs
@ IF = 40mA, t < 300µs
Reverse Leakage Current IR — 20 200 nA @ VR = 30V, t < 300µs
Junction Capacitance Cj — 4.0 5.0 pF VR = 0V, f = 1.0MHz
Reverse Recovery Time trr — — 5.0 nS
I
F = 10mA through IR = 10mA to
I
R = 1.0mA, RL = 100Ω
Note: 1. Device on fiberglass substrat e.
WTE
POWER SEM IC ON DUC TOR S
SOD-323
Dim Min Max
A 2.30 2.75
B 1.60 1.80
C 1.15 1.35
D 0.25 0.40
E 0.09 0.18
G 0.20 0.40
H 0.80 1.00
J — 0.12
All Dimensions in mm