FEATURES
Ratings at 25oC ambient temperature unless otherwise specified
SK34B SK35B SK36B SK38B SK39BSK3A0B
SK34B SK35B SK36B SK38B SK39BSK3A0B
Maximum repetitive peak reverse voltage VRRM 40 50 60 80 90 100 V
Maximum RMS voltage VRWS
28 35 42 56 63 70 V
Maximum DC blocking voltage VDC 40 50 60 80 90 100 V
Maximum average forward rectified current at
TL=90 IF(AV) A
Peak forward surge current 8.3ms single half-
sine-wave IFSM A
Maximum instantaneous forward voltage
at IFM=3.0A (NOTE1)
VF
V
Maximum DC reverse current TJ=25
at rated DC blocking voltage TJ=100
Operating temperature range TJoC
Storage temperature range TSTG oC
Document Number 0281008 1.
UNITS
- 55 ---- +150
IR
NOTE: 1.Pulse test: Pulse width 300us,duty cycle 1 %
Maximum thermal resistance oC/W
- 55 ---- +125
14
REVERSE VOLTAGE: 20 - 100 V
FORWARD CURRENT: 3.0 A
SURFACE MOUNT SCHOTTKY
BARRIER RECTIFIERS
Low forward voltage
Schottky barrier rectifier
Guardring protection
20
21
0.50
0.5
20.0
mA
RJL 17.0
30
0.70
3.0
0.85
100.0
20 30
Case: SMB molded plastic body 1111
SK33BSK32B
Device marking code
SK32B SK33B
Polarity: Color band denotes cathode end
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Mounting position: ANY
SMB
Weight: 0.003 ounces, 0.093 gram
MECHANICAL DATA
Reverse energy tested
High current capability
Extremely low thermal resistance
GALAXY ELECTRICAL SK32B- - -SK3A0B
BL
inch(mm)
www.galaxycn.com
BLGALAXY ELECTRICAL
www.galaxycn.com
Document Number 0281008
2.
AMPERES
AMPERES
AMPERES
CAPACITANCE, pF
REVERSE VOLTAGE,VOLTS
INSTANTANEOUS FORWARD CURRENT
FIG.3 -- TY PICAL INSTANTANEOUS FORWARD
XXXXXXXXX----CHARACTERISTICS
PEAK FORWARD SURGE CURRENT
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
LEAD TEMPERATURE, NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
FIG.1 -- FORWARD DERATING CURVE FIG.2 -- PEAK FORWARD SURGE CURRENT
RATINGS AND CHARACTERISTIC CURVES
AVERAGE FORWARD RECTIFIED CURRENT
TJ=25℃
f=1.0MHz
Vsig=50mVp-p
0.1 1 10010
10
100
1000
10
60
1 10 100
40
70
50
30
20
80
TJ=TJMAX
8.3ms Single Half
Sine-Wave
BLGALAXY ELECTRICAL
2
4
0
0
3
1
25 50 75 100 125 150 175
Resistive or
Inductive Load
0.375"(9.5mm)Lead
Length
T J=25
Pulse width=300 s
1 % D u ty C yc le
.1 .3 .5 .7 .9 1 .1 1 .3 1 .5 1 .7 1 .9 2 .1
.1
1
10
20
SK32B-SK34B
SK35B-SK36B
SK38B-SK3A0B
SK32B- - -SK3A0B
