SCD32LH

ZOWIE
Schottky Barrier Diode
(20V~40V / 3.0A)
SCD32LH AND SCD34LH
OUTLINE DIMENSIONS
FEATURES
Case : 2010
* Halogen-free type
Compliance to RoHS product
Lead less chip form, no lead damage
Low power loss, High efficiency
High current capability
Low forward voltage drop
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Mounting Pad Layout
4.5 ± 0.1
2.60
MAX.
0
0.5
1.47
MIN.
0.95 ± 0.2
APPLICATION
1.27
0.95 ± 0.2
MIN.
5.14
Switching mode power supply applications
Portable equipment battery applications
High frequency rectification
DC / DC Converter
Telecommunication
REF.
+ 0.2
0.96
- 0.1
*
*
*
*
*
Unit : mm
2.20 ± 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
SCD
32L .
PACKING
Voltage class: 2 = 20V, 4 = 40V
* 3,000 pieces per 7" (178mm ± 2mm) reel
* 4 reels per box
* 6 boxes per carton
o
Absolute Maximum Ratings (Ta = 25 C)
Rating
ITEM
Symbol
Repetitive peak reverse voltage
VRRM
Average forward current
IF(AV)
Peak forward surge current
IFSM
Operating junction temperature Range
Conditions
40
8.3ms single half sine-wave
TSTG
Unit
SCD34LH
20
Tj
Storage temperature Range
SCD32LH
V
3.0
A
80
A
-55 to +125
o
C
-55 to +150
o
C
o
Electrical characteristics (Ta = 25 C)
ITEM
Forward voltage (NOTE 1)
Repetitive peak reverse current
Junction capacitance
Symbol
Min.
Typ.
Max.
IF = 1A
-
0.30
-
IF = 2A
-
0.35
-
IF = 3A
-
0.39
0.42
VR = Max. VRRM , Ta = 25 oC
-
0.55
1.0
mA
VR = 4V, f = 1.0 MHz
-
120
-
pF
Rth(JA)
Junction to ambient (NOTE 2)
-
55
-
o
C/W
Rth(JL)
Junction to lead (NOTE 2)
-
17
-
o
C/W
VF
IRRM
Cj
Conditions
Unit
V
Thermal resistance
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.
REV. 2
2013/08
ZOWIE
SCD32LH AND SCD34LH
(20V~40V / 3.0A)
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
80
RESISTIVE OR
INDUCTIVE LOAD
P.C.B. MOUNTED ON
0.2X0.2"(5.0X5.0mm)
COPPER PAD AREAS
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
3.0
2.0
1.0
0
8.3ms Single Half Sine-Wave
(JEDEC Method)
70
60
50
40
30
20
10
0
0
50
70
90
110
130
150
1
170
10
o
100
LEAD TEMPERATURE, C
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
100
10
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
o
TJ=80 C
1.00
0.10
0.01
10
o
TJ=25 C
1.0
0.10
0.01
.001
0.001
0
0.1
0.2
0.3
0.4
0.5
0.6
0
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, pF
500
o
TJ = 25 C
f=1.0MHz
Vsig=50mVP-P
100
10
.1
1.0
10
100
REVERSE VOLTAGE, VOLTS
REV. 2
2013/08