SK22 - SK2B
2.0A Surface Mount Schottky Barrier Rectifier
Features
·
·
·
·
·
·
·
High current capability
High surge current capability
High reliability
High efficiency
Low power loss
Low cost
Low forward voltage drop
B
Dim
SMB
Min
3.30
4.00
1.95
0.15
5.00
0.10
0.76
2.00
Max
3.94
4.65
2.21
0.40
6.00
0.20
1.52
2.62
A
B
C
D
E
G
H
J
A
C
Mechanical Data
·
·
·
·
·
·
D
J
Case : SMB Molded plastic
Epoxy : UL94V-O rate flame retardant
Lead : Lead Formed for Surface Mount
Polarity : Color band denotes cathode end
Mounting position : Any
Weight : 0.1079 gram
H
G
E
All Dimensions in mm
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%.
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
V
F
I
R
T
J
T
STG
SK SK SK SK SK SK SK SK SK
UNIT
22 23 24 25 26 27 28 29 2B
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
2.0
60
0.5
0.74
0.5
- 65 to + 125
- 65 to + 150
- 65 to + 150
0.79
70
49
70
80
56
80
90
63
90
100
70
100
V
V
V
A
A
V
mA
°C
°C
Maximum Peak Forward Surge Current,
8.3ms single half sine wave superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at I
F
= 2.0 A. (Note 1)
Maximum Reverse Current at
Rated DC Blocking Voltage (Note 1)
Junction Temperature Range
Storage Temperature Range
Notes :
(1) Pulse Test : Pulse Width = 300
µs,
Duty Cycle = 2%.
1 of 2
RATING AND CHARACTERISTIC CURVES ( SK22 - SK2B )
FIG.1 - FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,
AMPERES
2.5
SK25
THRU
SK2B
SK22
SK23
SK24
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
75
2.0
PEAK FORWARD SURGE
CURRENT, AMPERES
150
175
60
1.5
45
1.0
30
0.5
15
0
0
25
50
75
100
125
0
1
2
4
6
10
20
40
60
100
LEAD TEMPERATURE, (
°
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
20
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
10
FORWARD CURRENT, AMPERES
REVERSE CURRENT,
MILLIAMPERES
10
SK22
SK23
SK24
SK28
SK29
SK2B
T
J
= 100
°C
1.0
1.0
SK25
SK26
SK27
0.1
T
J
= 25
°C
T
J
= 25
°
C
PULSE W IDTH = 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
2 of 2
嵌入式系统
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