PRELIMINARY DATA SHEET
PATENTED
PRELIMINARY SSCD052 THRU SSCD054
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 40 Volts Forward Current - 500 mA
FEATURES
MECHANICAL DATA
* Lead free product
* Leadless chip form , no lead damage
* Lead-free solder joint , no wire bond & lead frame
* Low VF , High surge capability
* Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
* For surface mounted applications
* Low profile package
* Built-in strain relief
* Metal to silicon rectifier , majority carrier conduction
* Low power loss , High efficiency
* For using in low voltage high frequency switching power supply,
inverters , free wheeling , and polarity protection applications
Case : Packed with FRP substrate and epoxy underfilled
Terminals : Pure Tin plated (Lead-Free),
solderable per MIL-STD-750, Method 2026.
Polarity : Laser marking
Weight : 0.012 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature
unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum average forward rectified current (SEE FIG.1)
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 0.5 A (NOTE 1)
Maximum DC reverse current
at rated DC blocking voltage
@T
J
=25
o
C
@T
J
=100
o
C
Typical thermal resistance (NOTE 2)
Operating junction and Storage temperature range
SYMBOLS
V
RRM
I
(AV)
I
FSM
V
F
I
R
R
JA
T
J,
T
STG
500
15
0.42
0.48
20
10
88
R
JL
28
-55 to +125
UNITS
Volts
Maximum RMS voltage
V
RMS
Volts
Maximum DC blocking voltage
V
DC
SSCD052
20
14
20
SSCD054
40
28
40
Volts
Volts
mA
Amps
uA
mA
o
C / W
o
C
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.
1206
*Dimensions in inches and (millimeters)
TM
PATENTED
PATENTED
(NOTE 1)
Zowie Technology Corporation
REV. 0
0.142 (3.60)
0.002 (0.05)
R0.0
16 (0.
40)
0.126 (3.20)
0.035 (0.90)
0.020 (0.50)
0.035 (0.90)
0.020 (0.50)
0.083 (2.10)
0.067 (1.70)
0.046(1.16)
0.034(0.86)
0.063 (1.60)
PRELIMINARY DATA SHEET
RATINGS AND CHARACTERISTIC CURVES SSCD052 THRU SSCD054
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
1.0
0.5
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
0.10
1.00
10.00
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
0
0
25
50
75
100
125
150
RESISTIVE OR
INDUCTIVE LOAD
P.C.B. MOUNTED ON
0.2 X 0.2"(5.0X5.0mm)
COPPER PAD AREAS
LEAD TEMPERATURE,
o
C
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine-Wave
(JEDEC Method)
0
5
10
15
20
1
10
100
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
0.01
.001
0
20
0.10
1.0
10
100
TJ=100
o
C
TJ=25
o
C
40
60
80
100
FIG.5 - TYPICAL JUNCTION CAPACITANCE
TJ = 25
o
C
f=1.0MHz
Vsig=50mVP-P
REVERSE VOLTAGE, VOLTS
.1
JUNCTION CAPACITANCE, pF
400
1.0
10
100
100
10
SSCD052
SSCD054
Zowie Technology Corporation
REV. 0
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