Sooner Power Semiconductor
SK54B / SK56B
Surface Mount Schottky Barrier Rectifier
Package Outline Dimensions ( millimeters )
CB
G
K
AD
HF
E
A
SMB (DO-214AA)
Dim. Min. Max.
A 4.06 4.75
B 3.30 3.94
C 1.96 2.21
D 0.15 0.31
E 5.00 5.59
F ----- 0.20
G 2.00 2.50
H 0.76 1.52
All Dimensions in millimeter
Features
• High Current Capability
• Low Switching Noise
• High Surge Capability
• Low Power Loss & High Efficiency
• Guard Ring Protection
• Pd-free lead plating & Halogen-free part
Mechanical
• Molded Plastic Low profile SMB (DO-214AA)
• Plastic materials used carries underwriters
laboratory flammability classification 94V-0
• Lead Temperature for Soldering Purposes：
265℃ Max. for 10 Seconds
• Device Weight : 0.003 ounces (0.091 grams)
Maximum Ratings & Electrical Characteristics ( TA = 25℃ unless otherwise specified )
Parameter
Symbol SK54B SK56B
Marking Code
SK54
SK56
DC Blocking Voltage
Working Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Average Rectified Forward Current
(Rated VR-20Khz Square Wave) - 50% duty cycle
VRM
VRWM
VRRM
IF(AV)
40 60
28 42
40 60
5
Non-Repetitive Peak Forward Surge Current
(Surge applied at rated load conditions half wave, single phase, 60Hz)
IFSM
125
Instantaneous Forward Voltage
IF = 5A , TA = 25℃
Instantaneous Reverse Current
VR = VRRM , TA = 25℃
VR = VRRM , TA = 100℃
NOTE： 1.FR-4 PCB, 2 oz Copper. Minimum recommended pad layout
VF
IR
0.55
0.5
20
0.7
2.Polymide PCB, 2 oz Copper. Cathode pad dimensions 18.8x14.4mm , Anode pad dimensions 5.6x14.4mm
Units
Volts
Amps
Amps
Volts
mA
REV. 00 - JUN-2015
1
