SK32 - SK3B
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
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIERS
SMC (DO-214AB)
0.060(1.5 2)
0.030(0.7 6)
0.3 05(7.75)
0.320(8.13)
0.280(7.11)
0.260(6.60)
0.008(0.203)
0.004(0.102)
0.121(3.07)
0.115(2.92)
0.245(6.2 2)
0.220(5.5 9)
0.103(2.62 )
0.079(2.00 )
0.012(0.305)
0.006(0.152)
MECHANICAL DATA :
*
*
*
*
*
*
Case : SMC Molded plastic
Epoxy : UL94V-O rate flame retardant
Lead : Lead Formed for Surface Mount
Polarity : Color band denotes cathode end
Mounting position : Any
Weight : 0.21 gram
Dimensions in inches and (millimeter)
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%.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current
See Fig.1
SYMBOL
V
RRM
V
RMS
V
DC
I
F(AV
)
I
FSM
SK SK SK SK SK SK SK SK SK
UNIT
32 33 34 35 36 37 38 39 3B
20
30 40
28
50
35
50
60
42
60
3.0
80
70
49
70
80
56
80
90
63
90
100
70
100
V
V
V
A
A
14 21
20
30 40
Maximum Peak Forward Surge Current,
8.3ms single half sine wave superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at I
F
= 3.0 A
Maximum Reverse Current at
Rated DC Blocking Voltage (Note 1)
Junction Temperature Range
Storage Temperature Range
Ta = 25
°C
Ta = 100
°C
V
F
I
R
I
R(H)
T
J
T
STG
- 65 to + 125
0.5
0.74
0.5
20
- 65 to + 150
- 65 to + 150
0.79
V
mA
mA
°C
°C
Notes :
(1) Pulse Test : Pulse Width = 300
µs,
Duty Cycle = 2%
Page 1 of 2
Rev. 01 : January 10, 2004
RATING AND CHARACTERISTIC CURVES ( SK32 - SK3B )
FIG.1 - FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,
AMPERES
3.0
SK35
THRU
SK3B
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
100
2.4
SK32
SK33
SK34
PEAK FORWARD SURGE
CURRENT, AMPERES
150
175
80
1.8
60
1.2
40
0.6
20
0
0
25
50
75
100
125
0
1
2
4
10
20
40
100
LEAD TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
20
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
REVERSE CURRENT, MILLIAMPERES
10
T
J
= 100
°C
FORWARD CURRENT, AMPERES
10
SK32
SK33
SK34
SK38
SK39
SK3B
1.0
1.0
SK35
SK36
SK37
0.1
T
J
= 25
°C
T
J
= 25
°C
PULSE WIDTH = 300µs
DUTY CYCLE = 2%
0.1
0.1
0.01
0
20
40
60
80
100
120
140
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
PERCENT OF RATED REVERSE
VOLTAGE, (%)
FORWARD VOLTAGE, VOLTS
Page 2 of 2
Rev. 01 : January 10, 2004
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