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SS32A THRU SS310A
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts Forward Current - 3.0 Ampere
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
For surface mounted applications
Metal silicon junction,majority carrier conduction
Low reverse leakage
Built-in strain relief,ideal for automated placement
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic body
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.003 ounce, 0.093 grams
SMA(DO-214AC)
.062(1.90)
.055(1.40)
.181(4.60)
.157(4.00)
.103(3.00)
.079(2.00)
.060(1.52)
.030(0.76)
.208(5.60)
.188(4.80)
.114(2.90)
.098(2.50)
.012(.305)
.006(.152)
.008(.203)
.002(.051)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
Characteristic
SYMBOLS SS32A SS33A SS34A SS35A SS36A SS38A SS310A UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at TL(see fig.1)
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current TA=25
at rated DC blocking voltage TA=100
Typical junction capacitance (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction temperature range
Storage temperature range
VRRM
VRMS
VDC
I(AV)
20 30 40 50 60 80 100
14 21 28 35 42 56 70
20 30 40 50 60 80 100
3.0
V
V
V
A
IFSM
VF
IR
CJ
R JA
TJ,
TSTG
100.0
0.50
20
220
-65 to +125
0.70 0.85
0.5
10
180
75.0
-65 to +150
-65 to +150
A
V
mA
pF
/W
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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SS32A THRU SS310A
RATINGS AND CHARACTERISTIC CURVES
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
3
RESISTIVE OR
INDUCTIVE LOAD
SS35A-SS310A
2 SS32A-SS34A
1
PCB MOUNTED ON 0.6X0.6"
(16X16mm) COPPER PAD AREAS
0
50 60 70 80 90 100 110 120 130 140 150 160
LEAD TEMPERATURE. (oC)
FIG.3- TYPICAL FORWARD CHARACTERISTICS
40
TJ=1250C
10
TJ=1500C
1
PULSE WIDTH=300 S
1% DUTY CYCLE
TJ=250C
FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
150
AT RATED TL
8.3ms Single Half Sine Wave
130 JEDEC Method
110
90
70
50
1 10
NUMBER OF CYCLES AT 60Hz
FIG.4- TYPICAL REVERSE CHARACTERISTICS
20
10
TJ=1250C
100
1
TJ=750C
0.1
0.1
0.01
0
SS32A-SS34A
SS35A-SS36A
SS39A-SS310A
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
FORWARD VOLTAGE. (V)
FIG.5- TYPICAL JUNCTION CAPACITANCE
1000
TJ=250C
f=1.0MHz
Vsig=50mVp-p
100
100.1
SS32A-SS34A
SS35A-SS36A
SS39A-SS310A
1 10
REVERSE VOLTAGE. (V)
100
0.01
TJ=250C
SS32A-SS34A
SS35A-SS310A
0.0010
20
40
60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.6- TYPICAL TRANSIENT TERMAL IMPDANCE
100
10
1
0.1
0.01
0.1 1 10
t, PULSE DURATION, (sec)
100