KEC KDR731S

KDR731S
SEMICONDUCTOR
SCHOTTKY BARRIER TYPE DIODE
(SERIES CONNECTION)
TECHNICAL DATA
HIGH SPEED RECTIFICATION
(SWITCHING REGULATORS, CONVERTERS, CHOPPERS)
UNIVERSAL-USE RECTIFIERS.
E
B
L
L
FEATURES
2
A
H
Low switching noise.
3
G
Fast reverse recovery time (trr max=10nS)
D
Low Forward Voltage : VF max=0.55V
1
Low leakage current and high reliablility due to
Highly reliable planar structure.
P
J
C
facilitates high-density mounting and permits KDR731S
N
Series connection of 2 elements in an SOT-23 package
P
K
applied equipment to be made smaller.
DIM
A
MILLIMETERS
_ 0.20
2.93 +
B
C
1.30+0.20/-0.15
1.30 MAX
D
0.45+0.15/-0.05
E
G
2.40+0.30/-0.20
1.90
H
J
0.95
0.13+0.10/-0.05
K
0.00 ~ 0.10
L
0.55
0.20 MIN
1.00+0.20/-0.10
7
M
N
P
M
3
1. CATHODE 1
2. ANODE 2
MAXIMUM RATING (Ta=25
)
3. ANODE 1 / CATHODE 2
CHARACTERISTIC
SYMBOL
RATING
UNIT
VRRM
30
V
VRSM
35
V
IO
70
mA
Surge Forward Current
IFSM
2
A
Junction Temperature
Tj
125
Tstg
-55 125
Repetitive (Peak) Reverse Voltage
Non-Repetitive (Peak)
Reverse Surge Voltage
Average Forward Current
Storage Temperature Range
2
1
SOT-23
Marking
Lot No.
Type Name
ELECTRICAL CHARACTERISTICS (Ta=25
CHARACTERISTIC
UX
)
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Reverse Voltage
VR
IR=20 A
30
-
-
V
Forward Voltage
VF
IF=70mA
-
-
0.55
V
Reverse Current
IR
VR=15V
-
-
5
A
Total Capacitance
CT
VR=10V, f=1MHz
-
5.0
-
pF
Reverse Recovery Time
trr
IR=IF=10mA
-
-
10
nS
2003. 2. 25
Revision No : 1
1/2
KDR731S
I R - VR
I F - VF
1K
REVERSE CURRENT I R (µA)
100
30
10
Ta
=1
25
C
Ta
=7
5
C
Ta=
25
C
Ta=
-25
C
FORWARD CURRENT I F (mA)
300
3
1
Ta=125 C
100
Ta=100 C
10
Ta=75 C
Ta=50 C
1
Ta=25 C
0.1
0.01
0.3
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
FORWARD VOLTAGE VF (V)
5
10
15
10
5
3
3
5
10
30
50
SURGE FORWARD CURRENT I S(peak) (A)
INTERTERMINAL CAPACITANCE C (pF)
f=1MHz
1
30
35
IS - t
20
0.5
25
REVERSE VOLTAGE V R (V)
C - VR
1
20
2.8
Current
waveform
2.4
50Hz sine
wave
1s
2.0
20ms
t
1.6
1.2
0.8
0.4
0
0.01
0.03
0.1
REVERSE VOLTAGE VR (V)
0.3
1
3
TIME t (S)
t rr TEST CIRCUIT
5V
2003. 2. 25
1.0mA
10mA
10µs
10mA
10Ω
100Ω
50Ω
Duty <
= 10%
Revision No : 1
t rr
2/2