ZOWIE
SCD34DH
Schottky Barrier Diode
(40V / 3.0A)
OUTLINE DIMENSIONS
FEATURES
*
*
*
*
*
*
Halogen-free type
Compliance to RoHS product
Lead less chip form, no lead damage
Low power loss, High efficiency
High current capability, low VF
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Case : 2010
4.5 ± 0.1
2.20 ± 0.1
Unit : mm
0.05
0
0.5
0.95 ± 0.2
0.95 ± 0.2
APPLICATION
*
*
*
*
*
Switching mode power supply applications
Portable equipment battery applications
High frequency rectification
DC / DC Converter
Telecommunication
+ 0.2
0.96
- 0.1
Equivalent
: SMA
DO-214AC
MECHANICAL DATA
Case :
Packed with FRP substrate and epoxy underfilled
Terminals :
Pure Tin plated (Lead-Free),
solderable per MIL-STD-750, Method 2026.
Polarity :
Laser Cathode band marking
Weight :
0.02 gram
MARKING
Cathode mark
Series code
Amps class
Voltage class
SCD
34D
.
Halogen-free type
Special Dice
PACKING
*
3,000 pieces per 7" (178mm ± 2mm) reel
*
4 reels per box
*
6 boxes per carton
Absolute Maximum Ratings (Ta = 25 C)
ITEM
Repetitive peak reverse voltage
Average forward current
Peak forward surge current
Operating junction temperature Range
Storage temperature Range
o
Symbol
V
RRM
I
F(AV)
I
FSM
T
j
T
STG
o
Conditions
SCD34DH
40
3.0
Unit
V
A
A
o
o
8.3ms single half sine-wave
80
-55 to +125
-55 to +150
C
C
Electrical characteristics (Ta = 25 C)
ITEM
Symbol
Conditions
Type
Min.
Typ.
Max.
Unit
I
F
= 1.0A
Forward voltage (NOTE 1)
V
F
I
F
= 3.0A
SCD34DH
-
-
0.37
0.46
-
V
0.50
Repetitive peak reverse current
Junction capacitance
I
RRM
C
j
R
th(JA)
V
R
= Max. V
RRM
, Ta = 25
o
C
V
R
= 4V, f = 1.0 MHz
Junction to ambient (NOTE 2)
Junction to lead (NOTE 2)
-
-
-
-
0.02
120
55
17
0.15
-
-
-
o
mA
pF
C/W
C/W
Thermal resistance
R
th(JL)
NOTES : (1) Pulse test width PW=300usec , 1% duty cycle.
(2) Mounted on P.C. board with 0.2 x 0.2"(5.0 x5.0mm) copper pad areas.
o
REV. 0
2008/09
ZOWIE
FIG.1 - FORWARD CURRENT DERATING CURVE
3.0
SCD34DH
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
80
PEAK FORWARD SURGE CURRENT,
AMPERES
RESISTIVE OR
INDUCTIVE LOAD
P.C.B. MOUNTED ON
0.2X0.2"(5.0X5.0mm)
COPPER PAD AREAS
(40V / 3.0A)
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
70
60
50
40
30
20
10
0
8.3ms Single Half Sine-Wave
(JEDEC Method)
2.0
1.0
0
0
50
70
90
110
130
o
150
170
1
10
NUMBER OF CYCLES AT 60Hz
100
LEAD TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
100
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
IINSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
10
1.00
T
J
=100 C
o
1.0
0.10
0.10
0.01
0.01
T
J
=25 C
o
Ta=25 C
o
0.001
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
.001
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FORWARD VOLTAGE, (V)
FIG.5 - TYPICAL JUNCTION CAPACITANCE
400
JUNCTION CAPACITANCE, pF
T
J
= 25 C
f=1.0MHz
Vsig=50mVP-P
o
100
10
.1
1.0
10
100
REVERSE VOLTAGE, VOLTS
REV. 0
2008/09
Embedded System
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