SK37 thru SK3B
Surface Mount Schottky Barrier Rectifiers
Reverse Voltage 70 to 100 Volts Forward Current 3.0 Amperes
Features
For surface mounted applications
Metal-Semiconductor junction with guardring
Epitaxial construction
Very low forward voltage drop
High current capability
Plastic material has UL flammability classification 94V-0
For use in low voltage, high frequency inverters, free
wheeling, and polarity protection applications
Mechanical Data
Case : JEDEC DO-214AB(SMC) molded plastic
Polarity : Color band denotes cathode
Weight : 0.009 ounce, 0.25 gram
Maximum Ratings and Electrical Characteristics
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward
rectified current
@T
L
=90
o
C
Symbols
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
C
J
R
θ
JL
T
J
T
STG
S K 37
70
49
70
S K 38
80
56
80
3.0
S K 39
90
63
90
S K 3B
100
70
100
Units
Volts
Volts
Volts
Amps
Peak forward surge current
8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum forward voltage at
3.0A DC
Maximum DC reverse current
at rated DC blocking voltage
Typical junction capacitance (Note 1)
Typical thermal resistance (Note 2)
Operating junction temperature range
Storage temperature range
Notes:
@T
J
= 25
o
C
@ T
J
= 100
o
C
@T
J
= 25
o
C
@T
J
=100
o
C
100.0
0.79
0.69
0.5
20
100
10
-55 to +125
-55 to +150
Amps
Volts
mA
pF
o
C/W
o
C
C
o
1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2. Thermal Resistance Junction to Lead.
333
Analog electronics
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