SK32S - SK3BS
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIERS
PRV : 20 - 100 Volts
I
O
: 3.0 Amperes
FEATURES :
* High current capability
* High surge current capability
* High reliability
* High efficiency
* Low power loss
* Low forward voltage drop
MECHANICAL DATA :
* Case : SMB (DO-214AA) Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.093 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL
SK 32S SK 33S SK 34S SK 35S SK 36S SK 37S SK 38S SK 39S SK 3BS
UNIT
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
50
60
70
80
90
100
Volts
Maximum RMS Voltage
V
RMS
14
21
28
35
42
49
56
63
70
Volts
Maximum DC Blocking Voltage
V
DC
20
30
40
50
60
70
80
90
100
Volts
Maximum Average Forward Current See Fig.1
I
F(AV
)
3.0
Amps.
Peak Forward Surge Current,
8.3ms single half sine wave superimposed
on rated load (JEDEC Method)
I
FSM
80
Amps.
Maximum Forward Voltage at I
F
= 3.0 Amps.
V
F
0.5
0.74
0.79
Volt.
Maximum Reverse Current at Ta = 25
C
I
R
0.5
mA
Rated DC Blocking Voltage (Note 1) Ta = 100
C
I
R(H)
20
mA
Junction Temperature Range
T
J
- 65 to + 125
- 65 to + 150
C
Storage Temperature Range
T
STG
- 65 to + 150
C
Notes :
(1) Pulse Test : Pulse Width = 300
s, Duty Cycle = 2%
UPDATE : MAY 10, 1999
RATING
2.3
0.2
0.22
0.07
2.0
0.1
5.4
0.15
4.8
0.15
3.6
0.15
SMB (DO-214AA)
1.1
0.3
Dimensions in millimeter
RATING AND CHARACTERISTIC CURVES ( SK32S - SK3BS )
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
0
0
25
50
75
100
125
150
175
1 2 4 6 10 20 40 60 100
LEAD TEMPERATURE, (
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.4
1.8
1.2
0.6
3.0
80
0
100
0
60
40
20
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD CURRENT,
AMPERES
10
1.0
80
0.01
0.1
100
140
0
20
40
60
120
PERCENT OF RATED REVERSE VOLTAGE, (%)
T
J
= 100
C
T
J
= 25
C
REVERSE CURRENT, MILLIAMPERES
SK32S
SK33S
SK34S
SK35S
THRU
SK3BS
1.0
0.1
10
FORWARD CURRENT, AMPERES
FORWARD VOLTAGE, VOLTS
20
SK35S
SK36S
SK37S
T
J
= 25
C
PULSE WIDTH = 300
s
DUTY CYCLE = 2%
SK32S
SK33S
SK34S
SK38S
SK39S
SK3BS
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