Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 2A
SK22 thru SK26
Features
• Low forward voltage drop
• High junction temperature
• Moisture sensitivity: level 1, per J-STD-020
• Plastic package has underwriters laboratory flammability
classification 94V-0
•
Add suffix
'E'
for halogen-free
• Halogen-free according to IEC 61249-2-21 definition
• AEC-Q101 qualified
Package: DO-214AA (SMB)
Applications
For use in low voltage, high freqency inverters, free wheeling and polarity
protection applications.
Maximum Ratings
Parameter
(T
A
= 25°C unless otherwise noted)
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
T
J
, T
STG
SK22
SK22E
20
14
20
SK23
SK23E
30
21
30
SK24
SK24E
40
28
40
2.0
50
-55 to +150
SK25
SK25E
50
35
50
SK26
SK26E
60
42
60
Unit
V
V
V
A
A
°
C
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current (8.3 ms single half
sine-wave superimposed on rated load)
Operating Junction and Storage Temperature
Range
Electrical Characteristics
Parameter
Maximum Instantaneous
Forward Voltage
Maximum DC Reverse Current at
Rated DC Blocking Voltage
(T
A
= 25°C unless otherwise noted)
Symbol
V
F
I
R
C
J
SK22
SK22E
SK23
SK23E
0.55
0.20
10
200
SK24
SK24E
SK25
SK25E
SK26
SK26E
Unit
V
mA
pF
Test Conditions
I
F
=2A
T
A
=25°C
T
A
=125°C
4.0 V, 1 MHz
0.70
0.15
Typical Junction Capacitance
Thermal Characteristics
Parameter
Typical Thermal Resistance
(1)
Symbol
R
θJA
R
θJC
R
θJl
Value
75
30
15
Unit
°C/W
Note1: Thermal resistance from junction to lead, mounted on PCB with 8.0×8.0mm copper pads.
1/5
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 2A
SK22 thru SK26
(T
A
= 25°C unless otherwise noted)
Ratings and Characteristics Curves
2
Peak Forward Surge Current
(A)
0
25
50
75
100 125 150
Output Full Wave Rectified
Current (A)
50
40
30
20
10
0
1
10
Number of Cycles at 60Hz
100
1.5
1
0.5
0
Lead temperature (°C)
Figure 1. Forward Current Derating Curve
100
Instantaneous Forward
Current (A)
10
1
Figure 2. Maximum Non-Repetitive Peak Forward
Surge Current
0.1
0.01
25°C
50°C
75°C
100°C
125°C
150°C
0
0.2
0.4
0.6
0.8
1.0
Instantaneous Forward Voltage (V)
1.2
1.4
Figure 3. Typical Instantaneous Forward Characteristics
(SK22 thru SK24)
10000.00
Instantaneous Reverse Current
(μA)
1000.00
100.00
10.00
1.00
0.10
25°C
50°C
75°C
100°C
125°C
150°C
10
20
30
40
50
60
70
80
90
Percent of Rated Peak Reverse Voltage (%)
100
110
Figure 4. Typical Reverse Characteristics
(SK22 thru SK24)
2/5
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 2A
100
Instantaneous Forward Current
(A)
10
1
25°C
50°C
75°C
100°C
125°C
150°C
0
0.2
0.4
0.6
0.8
1.0
1.2
Instantaneous Forward Voltage (V)
1.4
1.6
SK22 thru SK26
0.1
0.01
Figure 5. Typical Instantaneous Forward Characteristics
(SK25 thru SK26)
100000.00
Instantaneous Reverse Current
(μA)
10000.00
1000.00
100.00
10.00
1.00
25°C
50°C
75°C
100°C
125°C
150°C
10
20
30
40
50
60
70
80
90
Percent of Rated Peak Reverse Voltage (%)
100
110
0.10
Figure 6. Typical Reverse Characteristics
(SK25 thru SK26)
3/5
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 2A
SK22 thru SK26
in inches (millimeters)
Package Outline Dimensions
DO-214AA (SMB)
Packing Information
3000 pcs/Reel, 18 Reels/Box, 12mm Tape, 13" Reel
Tape & Reel Specification
Symbol
SMB(mm)
W
E
F
D0
D1
P0
P1
P2
A0
B0
12±0.2
1.75±0.1
5.5±0.05
1.5±0.1
1.50 +0.1/-0
4.0±0.1
8.0±0.1
2.0±0.05
3.95±0.1
5.74±0.1
4/5
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 2A
SK22 thru SK26
Soldering Parameters
Reflow Soldering
- Temperature Min (Ts min)
Pre Heat
- Temperature Max (Ts max)
- Time (min to max) (ts)
Average ramp up rate (Liquidus) Temp (TL) to peak
TS(max) to TL - Ramp-up Rate
Reflow
Peak Temperature (TP)
Time within 5°C of actual peak Temperature (tp)
Ramp-down Rate
Time 25°C to peak Temperature (TP)
Do not exceed
Wave Soldering
Peak Temperature
Dipping Time
Soldering
- Temperature (TL) (Liquidus)
- Time (min to max) (ts)
Sn-Pb Eutectic Assembly
100°C
150°C
60 – 120 secs
3°C/second max
3°C/second max
183°C
60 – 150 seconds
240+0/-5 °C
10 –30 seconds
6°C/second max
6 minutes
max
260°C
Pb-Free Assembly
150°C
200°C
60 – 180 secs
3°C/second max
3°C/second max
217°C
60 – 150 seconds
240+0/-5°C
20 – 40 seconds
6°C/second max
8 minutes
max
260°C
260+0/-5°C
10 seconds
1 time
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Doc.USSK22-SK26xSD1.0
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