PFS SS38B

SS32B thru SS310B
FEATURES
●For surface mounted applications
●Metal-Semiconductor junction with guarding
●Epitaxial construction
●Very low forward votage drop
.083(2.11)
.075(1.91)
●High current capability
.155(3.94)
.130(3.30)
●Plastic material has UL flammability
classification 94V-0
.185(4.70)
.160(4.06)
●For use in lowvoltage, high frequency inverters,
free wheeling, and polarity protection applications.
.012(.305)
.006(.152)
.096(2.44)
.084(2.13)
MECHANICAL DATA
●Case: Molded Plastic
●Polarity:Color band denotes cathode
.060(1.52)
.030(0.76)
●Weight: 0.003 ounces,0.093 grams
.008(.203)
.002(.051)
.220(5.59)
.200(5.08)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS
SYMBOL
SS32B
SS33B
SS34B
SS35B
SS36B
SS38B
SS310B
UNIT
Maximum Recurrent Peak Reverse Voltage
VRRM
20
30
40
50
60
80
100
V
Maximum RMS Voltage
VRMS
14
21
28
35
42
56
70
V
VDC
20
30
40
50
60
80
100
V
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
Peak Forward Surage Current
@TL=100 ℃
8.3ms Single Half Sine-Wave
Super Imposed On Rated Load (JEDEC Method)
Maximum Forward Voltage at 3.0A DC
Maximum DC Reverse Current
@TJ=25℃
at Rated DC Blocking Voltage
@TJ=100℃
I(AV)
3.0
A
IFSM
80
A
VF
0.45
0.55
0.7
0.6
IR
1.0
20
0.85
V
mA
CJ
250
pF
Typical Thermal Resistance (Note2)
RθJL
10
℃/W
Typical Thermal Resistance (Note3)
RθJA
50
℃/W
TJ
-55 to + 150
℃
TSTG
-55 to + 150
℃
Typical Junction Capacitance (Note1)
Operating Temperature Range
Storage Temperature Range
Web Site: WWW.PS-PFS.COM
RATING AND CHARACTERTIC CURVES
SS32B thru SS310B
FIG.2 - MAXIMUM NON-REPETITIVE
SURGE CURRENT
FIG. 1 - FORWARD CURRENT DERATING CURVE
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD CURRENT
AMPERES
5.0
4.0
3.0
2.0
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
1.0
0
25
50
75
100
125
150
120
100
80
60
40
PULSE WIDTH 8.3ms
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
20
0
1
175
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
LEAD TEMPERATURE ℃
FIG.3-TYPICAL FORWARD CHARACTERISTICS
FIG.4-TYPICAL JUNCTION CAPACITANCE
20
1000
CAPACITANCE,( PF)
SS33A
10
SS34A
SS35A -SS36A
SS38A -SS310A
1.0
100
T J = 25°C
PULSE WIDTH 300us
1% DUTY CYCLE
T J=25℃ f=1MHZ
10
0.1
0.1
0
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.0
1.7
FIG.5-TYPICAL REVERSE CHARACTERISTICS
100
T J=125℃
10
T J=100℃
1.0
0.1
0.01
T J=25℃
0.001
0
20
4.0
10.0
REVERSE VOLTAGE,VOLTS
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
INSTANTANEOUS REVERSE CURRENT, (mA )
INSTANTANEOUS FORWARD CURRENT,
(A)
SS32A
40
60
80
100
120
PERCENT RATED PEAK REVERSE VOLTAGE,(%)
Web Site: WWW.PS-PFS.COM
140
100