VOLTAGE RANGE
40 Volts
CURRENT
3.0 Amperes
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
NOTES:
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TYPE NUMBER
SS34 UNITS
Maximum Recurrent Peak Reverse Voltage
40 V
Maximum RMS Voltage
28 V
Maximum DC Blocking Voltage
40 V
Maximum Average Forward Rectified Current
See Fig. 1
3.0
A
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
80
A
Maximum Instantaneous Forward Voltage at 3.0A
0.46
0.70
0.85
V
Maximum DC Reverse Current Ta=25 C
at Rated DC Blocking Voltage Ta=125C
200
30
A
mA
Typical Junction Capacitance (Note1)
240
pF
10
C/W
Operating Temperature Range TJ
-55 to +125
C
Storage Temperature Range TSTG
-55 to +150
C
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
P.C.B. mounted with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas
2.
4B FL
100
Typical Thermal Resistance R JL (Note 2)
25
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Metallurgically bonded construction
* Polarity: Color band denotes cathode end
* Mounting position: Any
FEATURES
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* Low forward voltage drop
.216(5.5)
.051(1.3)
Dimensions in inches and (millimeters)
.173(4.4)
.165(4.2)
.010(0.26)
.007(0.18)
.146(3.7)
.138(3.5)
.200(5.1)
.039(1.0)
.086(2.2)
.075(1.9)
.051(1.30)
.043(1.10)
SMBF
3.0 AMP SCHOTTKY BARRIER RECTIFIERS
SS34BFL
RATING AND VHARACTERISTIC CURVES(SS34BFL)
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0.01
0.01
0.1
10
1
100
200
0.1
1
0
20
40
60
80
100
120
50
10
0
200 40 60 80 100
1 10 100
0.1 0.2 0.3 0.4 0.5 0.80.70.6
0 20 40 60 80 100 120 150
0
2.0
3.0
4.0
5.0
1.0
FIG.1-FORWARD CURRENT DERATING CURVE
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG.4-TYPICAL REVERSE CHARACTERISTICS
AVERAGE FORWARD CURRENT
AMPERES
INSTANTANEOUS FORWARD CURRENT( AMPERES)
INSTANTANEOUS REVERSE CURRENT (mA)
PEAK FORWARD SURGE
CURRENT(AMPERES)
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
PERCENT OF RATED PEAK REVERSE VOLTAGE%
NUMBER OF CYCLES AT 60Hz
LEAD TEMPERATURE (℃)
TJ=125℃
PULSE WIDTH=300 S
1% DUTY CYCLE
TJ=TJMAX
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
TJ=25℃
FIG.5-TYPICAL JUNCTION CAPACITANCE
TJ=100℃
TJ=125℃
140
TJ=25℃
TJ=100℃
Resistive or Inductive Load
REVERSE VOLTAGE. VOLTS
0.1 1 10 100
100
4000
1000
JUNCTION CAPACITANCE(pF)