SEMICONDUCTOR
TECHNICAL DATA
HIGH SPEED RECTIFICATION
(SWITCHING REGULATORS, CONVERTERS, CHOPPERS)
UNIVERSAL-USE RECTIFIERS.
KDR731S
SCHOTTKY BARRIER TYPE DIODE
(SERIES CONNECTION)
L
E
B
L
FEATURES
Low Forward Voltage : V
F
max=0.55V
A
G
DIM
A
2
MILLIMETERS
_
2.93 + 0.20
1.30+0.20/-0.15
1.30 MAX
0.45+0.15/-0.05
2.40+0.30/-0.20
1.90
0.95
0.13+0.10/-0.05
0.00 ~ 0.10
0.55
0.20 MIN
1.00+0.20/-0.10
7
Fast reverse recovery time (trr max=10nS)
Low switching noise.
Low leakage current and high reliablility due to
Highly reliable planar structure.
Series connection of 2 elements in an SOT-23 package
facilitates high-density mounting and permits KDR731S
applied equipment to be made smaller.
3
D
B
C
D
E
G
H
J
K
H
1
P
P
L
M
N
P
C
N
M
3
1. CATHODE 1
2. ANODE 2
MAXIMUM RATING (Ta=25
CHARACTERISTIC
Repetitive (Peak) Reverse Voltage
Non-Repetitive (Peak)
Reverse Surge Voltage
Average Forward Current
Surge Forward Current
Junction Temperature
Storage Temperature Range
)
SYMBOL
V
RRM
V
RSM
I
O
I
FSM
T
j
T
stg
RATING
30
35
70
2
125
-55 125
UNIT
V
V
mA
A
3. ANODE 1 / CATHODE 2
K
J
2
1
SOT-23
Marking
Lot No.
Type Name
UX
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
Reverse Voltage
Forward Voltage
Reverse Current
Total Capacitance
Reverse Recovery Time
SYMBOL
V
R
V
F
I
R
C
T
t
rr
TEST CONDITION
I
R
=20 A
I
F
=70mA
V
R
=15V
V
R
=10V, f=1MHz
I
R
=I
F
=10mA
MIN.
30
-
-
-
-
TYP.
-
-
-
5.0
-
MAX.
-
0.55
5
-
10
UNIT
V
V
A
pF
nS
2003. 2. 25
Revision No : 1
1/2
1
2
