SK52B thru SK56B
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 5A
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 Package: DO-214AA (SMB)
Applications
For use in low voltage, high freqency inverters, free wheeling and polarity
protection applications.
VRRM V
VRMS V
VDC V
IF(AV) A
IFSM A
TJ, TSTG °C
Maximum Instantaneous
Forward Voltage IF=5A VFV
TA=25°C
TA=125°C
Typical Junction Capacitance 4.0 V, 1 MHz CJpF
RθJA
RθJC
RθJl
Note1: Thermal resistance from junction to lead, mounted on PCB with 8.0×8.0mm copper pads.
Unit
Typical Thermal Resistance(1)
65
°C/W
25
15
mA
15
96
Thermal Characteristics
Parameter Symbol
0.55 0.67
Maximum DC Reverse Current at
Rated DC Blocking Voltage IR
0.20 0.15
Electrical Characteristics (TA = 25°C unless otherwise noted)
Parameter Test Conditions Symbol Unit
Maximum Average Forward Rectified Current 5.0
Peak Forward Surge Current (8.3 ms single half
sine-wave superimposed on rated load) 120
Operating Junction and Storage Temperature
Range -55 to +150
Maximum DC Blocking Voltage 20 30 40 50 60
Maximum RMS Voltage 14 21 28 35 42
Maximum Repetitive Peak Reverse Voltage 20 30 40 50 60
Maximum Ratings (TA = 25°C unless otherwise noted)
Parameter Symbol SK52B
SK52BESK53B
SK53BESK54B
SK54BESK55B
SK55BESK56B
SK56BEUnit
1/5
Value
•AEC-Q101 qualified
SK52B
SK52BESK53B
SK53BESK54B
SK54BESK55B
SK55BESK56B
SK56BE
Ratings and Characteristics Curves
(TA = 25°C unless otherwise noted)
Figure 1. Forward Current Derating Curve Figure 2. Maximum Non-Repetitive Peak Forward
Surge Current
Figure 4. Typical Reverse Characteristics
(SK52B thru SK54B)
Figure 3. Typical Instantaneous Forward Characteristics
(SK52B thru SK54B)
025 50 75 100 125 150
Output Full Wave Rectified
Current (A)
Lead temperature (°C)
110 100
Peak Forward Surge Current
(A)
Number of Cycles at 60Hz
1.00
10.00
100.00
1000.00
10000.00
100000.00
10 20 30 40 50 60 70 80 90 100 110
Instantaneous Reverse Current
(μA)
Percent of Rated Peak Reverse Voltage (%)
0.01
0.1
1
10
100
Instantaneous Forward
Current (A)
Instantaneous Forward Voltage (V)
25°C
50°C
75°C
100°C
125°C
150°C
2/5
25°C
50°C
75°C
100°C
125°C
150°C
SK52B thru SK56B
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 5A
0
1
2
3
4
5
0
30
60
90
120
0 0.2 0.4 0.6 0.8 1.0
Figure 6. Typical Reverse Characteristics
(SK55B thru SK56B)
Figure 5. Typical Instantaneous Forward Characteristics
(SK55B thru SK56B)
0.01
0.1
1
10
100
Instantaneous Forward Current
(A)
Instantaneous Forward Voltage (V)
0.10
1.00
10.00
100.00
1000.00
10000.00
100000.00
10 20 30 40 50 60 70 80 90 100 110
Instantaneous Reverse Current
(μA)
Percent of Rated Peak Reverse Voltage (%)
3/5
25°C
50°C
75°C
100°C
125°C
150°C
25°C
50°C
75°C
100°C
125°C
150°C
SK52B thru SK56B
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 5A
0 0.2 0.4 0.6 0.8 1.0 1.2
Package Outline Dimensions DO-214AA (SMB)
in inches (millimeters)
Packing Information
3000 pcs/Reel, 18 Reels/Box, 12mm Tape, 13" Reel
Tape & Reel Specification
4/5
SK52B thru SK56B
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 5A
W
E
F
D0
D1
P0
P1
P2
A0
B0
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
Symbol SMB(mm)
12±0.2
1.75±0.1
5.5±0.05
1.5±0.1
Soldering Parameters
Peak Temperature 260+0/-5°C
Dipping Time 10 seconds
Soldering 1 time
Do not exceed 260°C 260°C
Wave Soldering
Ramp-down Rate 6°C/second max 6°C/second max
Time 25°C to peak Temperature (TP) 6 minutes max 8 minutes max
Peak Temperature (TP) 240+0/-5 °C 240+0/-5°C
Time within 5°C of actual peak Temperature (tp) 10 –30 seconds 20 – 40 seconds
TS(max) to TL - Ramp-up Rate 3°C/second max 3°C/second max
Reflow - Temperature (TL) (Liquidus) 183°C 217°C
- Time (min to max) (ts) 60 – 150 seconds 60 – 150 seconds
- Time (min to max) (ts) 60 – 120 secs 60 – 180 secs
Average ramp up rate (Liquidus) Temp (TL) to peak 3°C/second max 3°C/second max
Reflow Soldering Sn-Pb Eutectic Assembly Pb-Free Assembly
Pre Heat
- Temperature Min (Ts min) 100°C 150°C
- Temperature Max (Ts max) 150°C 200°C
5/5Doc.USSK52B-SK56BxSD2.1
www.goodarksemi.com
SK52B thru SK56B
Surface Mount Schottky Rectifier
Reverse Voltage 20-60V Forward Current 5A
