SK32
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•
•
•
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THRU SK310
3 Amp Schottky
Rectifier
20 to 100 Volts
DO-214AC
(SMAJ) (High Profile)
H
Cathode Band
Features
Same Electrical Characteristics As The SMC Version
Very Low Cost
Can Be Up To 50% Smaller Than The SMC To Save Precious
Board Space
High Current Capability With Low Forward Voltage
For Surface Mount Applications
Gull Wing, Or DO215AC Version, Available
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Maximum Ratings
Operating Temperature: -50°C to +125°C
Storage Temperature: -50°C to +150°C
Maximum Thermal Resistance; 10°C/W Junction To Lead
MCC
Part
Number
SK32A
SK33A
SK34A
SK35A
SK36A
SK38A
SK310A
Device
Marking
Maximum
Recurrent
Peak Reverse
Voltage
20V
30V
40V
50V
60V
80V
100V
Maximum
RMS
Voltage
14V
21V
28V
35V
42V
56V
70V
Maximum
DC
Blocking
Voltage
20V
30V
40V
50V
60V
80V
100V
DIM
A
B
C
D
E
F
G
H
J
J
SK32A
SK33A
SK34A
SK35A
SK36A
SK38A
SK310A
A
C
E
F
G
D
B
DIMENSIONS
INCHES
MIN
.078
.067
.002
---
.035
.065
.205
.160
.100
MM
MIN
1.98
1.70
.05
---
.89
1.65
5.21
4.06
2.57
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current
Peak Forward Surge
Current
Maximum
Instantaneous
Forward Voltage
SK32A-34A
SK35A-36A
SK38A-310A
I
F(AV)
I
FSM
3.0A
100A
T
J
= 120°C
8.3ms, half sine
MAX
.116
.089
.008
.02
.055
.096
.224
.180
.112
MAX
2.95
2.25
.20
.51
1.40
2.45
5.69
4.57
2.84
NOTE
SUGGESTED SOLDER
PAD LAYOUT
V
F
.50V
.75V
.85V
I
FM
= 3.0A;
T
J
= 25°C*
0.090”
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
Typical Junction
Capacitance
I
R
.5mA
20mA
45pF
T
J
= 25°C
T
J
= 100°C
Measured at
1.0MHz, V
R
=4.0V
0.085”
C
J
0.070”
*Pulse test: Pulse width 200
µsec,
Duty cycle 2%
SK32 THRU SK310
Figure 1
Typical Forward Characteristics
100
60
40
20
SK32A-SK34A
10
6
4
2
Amps
1
.5
.6
.4
.2
25°C
.1
.06
.04
.02
.01
.2
.4
.6
.8
Volts
Instantaneous Forward Current - Amperes
versus
Instantaneous Forward Voltage - Volts
Figure 3
Junction Capacitance
1000 SK35A-SK310A
600
400
200
pF
T
J
=25°C
100
60
40
20
10
.1
.2
.4
1
Volts
2
4
10
20
40
100
200
400
1000
SK32A-34A
1.0
1.2
1.4
0
Single Phase, Half Wave
60Hz Resistive or Inductive Load
40
60
80
100
°C
Average Forward Rectified Current - Amperes
versus
Ambient Temperature -
°C
120
140
160
1.5
Amps
1.0
SK35A-SK310A
2.0
2.5
3.0
Figure 2
Forward Derating Curve
Junction Capacitance - pF
versus
Reverse Voltage - Volts
SK32 THRU SK310
Figure 4
Typical Reverse Characteristics
10
6
4
2
1
.6
75
.4
.2
25°C
µAmps
.1
0
.06
.04
.02
.01
.006
.004
.002
.001
20
40
60
80
Volts
Instantaneous Reverse Leakage Current - MicroAmperes
versus
Percent Of Rated Peak Reverse Voltage - Volts
100
120
140
SK32A-34A
SK35A-310A
1
2
4
6
8 10
Cycles
Peak Forward Surge Current - Amperes
versus
Number Of Cycles At 60Hz - Cycles
20
40
60 80 100
25
Amps
50
Figure 5
Peak Forward Surge Current
150
125
100
Figure 6
New SMA Assembly
Round Lead