21201 Itasca St.
Chatsworth, CA 91311
Phone: (818) 701-4933
Fax: (818) 701-4939 SK225
2 Amp
Schottky
Rectifier
DO-214AA
(SMBJ)
Features
• Schottky Barrier Rectifier
• Guard Ring Protection
• Low Forward Voltage
• Reverse Energy Tested
• High Current Capability
• Extremely Low Thermal Resistance
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .075 .115 1.90 2.92 1
B .081 .087 2.06 2.21
C .004 .008 .10 .20
D --- .02 --- .51
E .030 .060 .76 1.52
F .065 .084 1.65 2.13
G .205 .228 5.21 5.79
H .160 .180 4.06 4.57
J .130 .155 3.30 3.94
1) Maximum Jedec Spec is .096” or 2.44 M M
Maximum Ratings
• Operating Temperature: -40°C to +150°C
• Storage Temperature: -40°C to +150°C
• Maximum Thermal Resistance; 15°C/W Junction To Lead
• Weight: .003 ounces (.0093 grams) typical
Microsemi
Part Number Device
Marking
Working Peak
Reverse
Voltage
Repetitive
Peak
Reverse
Voltage
SK225 SK225 25V 25V
Electrical Character istics @ 25 °C U nless Otherwise Specified
Average forward
current IF(AV) 2A Square wave
Maximum surge
current IFSM 50A 8.3ms, half sine,
TJ = 150°C
Max peak forward
voltage VFM .55V IFM = 2.0A; TJ =
25°C*
Max peak reverse
current IRM 500µAV
RRM, TJ = 25°C
Typical junction
capacitance CJ50pF VR = 5.0V, TJ =
25°C
*Pulse test: Pulse width 300 µsec, Duty cycle 2%
0.075”
0.085”
0.095”
SUGGESTED SOLDER
PAD LAYOUT
H
J
E
F
G
A
B
D
C
Cathode Band
Maximum Al l owable Case Temperature - °C versus
Average Forward Current - Amperes
Figure 1
Typical Forward Characteri stics
0.2 .4 .6 .8 1.0 1.2 1.4
.1
.2
.4
.6
.8
1.0
2.0
4.0
6.0
8.0
10
20
40
60
80
100
25°C
Instantaneous Forward Current - Amperes versus
Instantaneous Forward Voltage - Vol ts
Volts
Amps 1 10 100
10
20
30
40
50
60
Figure 3
Maximum Nonrepet i tive Surge Current
TL = 70°C
Peak Forward Current - Amperes versus
Number of Cycles at 60Hz
Amps
Cycles
Figure 4
Forward Current Derating
.4 .8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
90
95
100
105
110
115
120
125
Resistive or
Induct i ve Load
Amps
°C
Figure 2
Typical Revers e Characteris tics
0 5 10 15 20 25 30 35 40 45 50
.001
.01
.1
1.0
10
100
100°C
75°C
25°C
Typical Revers e Current - mA versus
Reverse Voltage - Volts
mA
Volts
Figure 5
New SMB Assembly
Round Lead
SK225
