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SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
SS32 THRU SS310
VOLTAGE RANGE
CURRENT
20 to 40 Volts
3.0 Ampere
FEATURES
Low profile surface mount package
Built-in strain relief
High switching speed
Low voltage drop, high efficiency
For use in low voltage high frequency inverters,
Free willing, and polarity protection applications
Guarding for over voltage protection
DO-214AB(SMC)
MECHANICAL DATA
Case: Transfer molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Solder plated, solderable per MIL-STD-750
method 2026
Polarity: Color band denotes cathode end
Weight: 0.007 ounce, 0.25 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load derate current by 20%.
SYMBOLS SS32 SS33 SS34
Maximum Repetitive Peak Reverse Voltage
VRRM 20 30 40
Maximum RMS Voltage
VRMS 14 21 28
Maximum DC Blocking Voltage
VDC 20 30 40
Maximum Average Forward Rectified Current
at TLsee figure 1 TL =105
I(AV)
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
IFSM
Maximum Instantaneous Forward Voltage @
3.0A(Note1)
VF
0.55
Maximum DC Reverse Current at rated TA = 25
DC Blocking Voltage per element
TA = 100
IR
20.0
Typical Thermal Resistance (Note 2)
RθJA
RθJL
Operating Junction Temperature
TJ (-55 to +150)
Storage Temperature Range
TSTG
Notes:
1. Pulse test: 300μs pulse width,1% duty cycle
2. PCB mounted with 0.55×0.55(14mm×14mm) copper pads
SS35
50
35
50
SS36
60
42
60
3.0
SS38
80
56
80
SS39
90
63
90
80
0.75 0.85
0.5
10.0
55
12
(-55 to +150)
(-55 to +150)
SS310
100
70
100
UNIT
Volts
Volts
Volts
Amps
Amps
Volts
mA
/W
E-mail: sales@cnmic.com Web Site: www.cnmic.com

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SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
SS32 THRU SS310
VOLTAGE RANGE
CURRENT
20 to 100 Volts
3.0 Ampere
RATING AND CHRACTERISTIC CURVES SS32 THRU SS310
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
2.0
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
80
8.3ms Single Half Sine-Wave
(JEDEC Method) Tj = Tjmax
Single Phase Half Wave
1.0 60Hz Inductive or Resistive Load
0.375(9.5mm) Lead Length
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, (° C)
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10 SS32-SS34
SS35-SS310
1.0
TJ=25° C
PULSE WIDTH=300μs
0.1 DUTY CYCLE 1%
40
1 Cycle
0
12
4 6 8 10
20
40 60 100
NUMBER OF CYCLES AT 60 Hz
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
SM32-SM34
SM35-SM310
0.01
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
1000
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
TJ =25° C
f=1MHz
Vsig=50mV
100
10
0.1
SM32-SM34
SM35-SM310
1.0 10
REVERSE VOLTAGE,(V)
100
E-mail: sales@cnmic.com Web Site: www.cnmic.com