SKN7-S thru SKN9-S
1.0 Amp. Surface Mount Schottky Barrier Rectifiers
Voltage Range 20 to 40 Volts Forward Current 1.0 Ampere
Features
Ideal for surface mounted applications
Metal-Semiconductor junction with guardring
Epitaxial construction
High current capability
Plastic material has UL flammability classification 94V-0
Low leakage current
For use in low voltage, high frequency inverters, free
wheeling, and polarity protection applications
Mechanical Data
Case : New SMA molded plastic
Polarity : Indicated by cathode band
Weight : 0.004 ounce, 0.11 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 at T
A
=90
o
C
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0
Maximum instantaneous forward voltage at 3.1
Maximum average reverse current
at rated DC blocking voltage
Typical thermal resistance (Note 1)
Typical junction capacitance (Note 2)
Operating and storage temperature range
Notes:
Symbols
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
V
F
o
SK N 7
20
14
20
SK N 8
30
21
30
1.0
25.0
SK N 9
40
28
40
Units
Volts
Volts
Volts
Amp
Amps
0.450
0.750
0.550
0.875
1.0
10.0
80
110
-65 to +125
0.600
0.900
Volts
Volts
mA
o
@T
A
= 25 C
@T
A
= 100
o
C
I
R
R
θ
JA
C
J
T
J
, T
STG
C/W
pF
o
C
1. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
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