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http://www.lujingsemi.com 2017.6ͲRev.A
1
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60%
ƔPlastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing
ƔMetal silicon junction ,majority carrier conduction
ƔBuilt-in strain relief
ƔFor surface mounted applications
ƔLow power loss ,high efficiency,High surge capability
ƔHigh current capability ,Low forward voltage drop
ƔFor use in low voltage ,high frequency inverters, free wheeling ,
and polarity protection applications
ƔHigh temperature soldering guaranteed:260 ć/10 seconds at
terminals
ƔComponent in accordance to RoHS 2002/95/Ec and WEEE
2002/96/EC
0(&+$1,&$/ '$7$
ƔCase:SM%moldedplasticbody
ƔTerminals:Lead solderable per MIL-STD-750,method 2026
ƔPolarity:Color band denotes cathode end
0$;,080 5$7,1*6 $1' &+$5$&7(5,67,&6
@ 25°C Ambient Temperature (unless otherwise noted)Single phase,half wave,60 Hz,resistive or inductive load.
For capacitive load,derate by 20%.
TYPE NUMBER
SYMBOL
SS2 S6 SS4 SS5 SS6 SS8
SS1
SS20 UNITS
Maximum recurrent peak reverse voltage
V
RRM
20 30 40 50 60 80
10
200
V
Maximum RMS voltage
V
RMS
14 21 28  
7
140
V
Maximum DC blocking voltage
V
DC
20 30 40 50 60 80
150
200
V
Maximum Average Forward rectified
Current0.375"(9.5mm) lead length
I
F(AV)
.0
A
Peak forw ard surge current 8.3ms single half sine-w ave
superimposed on rated load
I
FSM
0.0
A
Maximuminstantaneousforwardvoltageat.0A(Note1)
V
F
0.5 0.7 0.85
0.9
V
Maximum reverse current
at rated DC blocking voltage perdiode
@T
A
=25
ć
I
R
0.
mA
@T
A
=100ć
10.0
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R
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JA

ć
/W
Storage Temperature
T
STG
-5----+150
ć
Operation Junction Temperature
T
j
- 55 ---- + 125
ć
NOTE: 1
.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
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Typical junction capacitance(Note 3)
CJ

00
http://www.lujingsemi.com 2017.6ͲRev.A
2
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0
30
60
90
120
150
1 10 100
PEAK FORWARD SURGE
CURRENT(AMPERES)
TJ=TJMAX
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0 20 40 60 80 100 120 150
0
2.0
3.0
4.0
5.0
1.0
AVERAGE FORWARD CURRENT
AMPERES
LEAD TEMPERATURE ( C)
P.C.B.mounted on
0.55 X 0.55"(14 X 14mm)
copper pad areash
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)25:$5'685*(&855(17
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180%(52)&<&/(6$7+]
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&+$5$&7(5,67,&6
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0.01
0.1
1
50
10
0 0.2 0.4 0.6 0.8 1.0 1.61.41.2
INSTANTANEOUS FORWARD CURRENT( AMPERES)
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
TJ=25 C
T
J=125 C
T
J=150 C
PULSE WIDTH=300 S
1% DUTY CYCLE
SS52-SS54
SS55-SS520
0.001
0.01
1
0.1
10
20
200 40 60 80 100
INSTANTANEOUS REVERSE CURRENT (mA)
TJ=25 C
SS52-SS54
SS55-SS520
TJ=75 C
T
J=125 C
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,03('$1&(
REVERSE VOLTAGE. VOLTS
10
0.1 1 10 100
100
1000
FIG.5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE(pF)
TJ=25 C
f=1.0MH
Z
Vsig=50mVp-p
SS52-SS54
SS55-SS520
T, PULSE DURATION ,sec.
1
10
0.1
0.10.01 1 10 100
100
TRANSIENT THERMAL IMPEDANCE, C/ W