SKL32A
THRU
SKLL34A
3.0 AMPS. Surface Mount Schottky Barrier Rectifiers
Voltage Range
20 to 40 Volts
Current
3.0 Amperes
Features
For surface mounted application
Metal to silicon rectifier, majority carrier conduction
Low forward voltage drop
Easy pick and place
High surge current capability
Plastic material used carriers Underwriters
Laboratory Classification 94V-0
Epitaxial construction
High temperature soldering:
260
o
C / 10 seconds at terminals
.062(1.58)
.050(1.27)
SMA/DO-214AC
.111(2.83)
.090(2.29)
.187(4.75)
.160(4.06)
Mechanical Data
Case: Molded plastic
Terminals: Solder plated
Polarity: Indicated by cathode band
Packaging: 16mm tape per EIA STD RS-481
Weight: 0.21 gram
.091(2.30)
.078(1.99)
.012(.31)
.006(.15)
.008(.20)
.004(.10)
.210(5.33)
.195(4.95)
.056(1.41)
.035(0.90)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Symbol
Type Number
SKL
SKLL
32A
32A
Marking Code
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
L
(See Fig. 1)
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method )
Maximum Instantaneous Forward Voltage
@ 3.0A
Maximum DC Reverse Current @ T
A
=25℃
at Rated DC Blocking Voltage @ T
A
=80℃
SKL
34A
SL34A
40
28
40
SKLL
34A
SLL34A
40
28
40
Units
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
SL32A
20
14
20
SLL32A
20
14
20
3.0
90
V
V
V
A
A
0.42
0.38
0.45
0.40
V
mA
mA
℃
℃
1.5
60
Operating Temperature Range
T
J
- 25 to +125
Storage Temperature Range
T
STG
-50 to +125
Notes
:
1. Measured on P.C.Board with 0.2 x 0.2” (5 x 5mm) Copper Pad Areas
- 82 -
RATINGS AND CHARACTERISTIC CURVES (SKL32A THRU SKLL34A)
FIG.1- TYPICAL FORWARD CURRENT DERATING
CURVE
100
AVERAGE FORWARD CURRENT. (A)
FIG.2- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
3.6
3.0
2.4
1.8
1.2
0.6
80
60
Tj=25
0
C
40
8.3ms Single Half
Sine Wave
JEDEC Method
20
0
0
20
40
60
80
100
120
o
140
160
180
200
1
5
10
50
100
AMBIENT TEMPERATURE. ( C)
NUMBER OF CYCLES AT 60Hz
FIG.3- TYPICAL JUNCTION CAPACITANCE
700
FIG.4- TYPICAL REVERSE CHARACTERISTICS
100
600
JUNCTION CAPACITANCE.(pF)
500
400
300
200
100
0
0.01
REVERSE LEAKAGE CURRENT. (mA)
10
1.0
Tj=75
0
C
0.05 0.1
0.5
1
5
10
50
100
REVERSE VOLTAGE. (V)
.1
Tj=25
0
C
.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
- 83 -
RATINGS AND CHARACTERISTIC CURVES (SKL32A THRU SKLL34A)
FIG.5- TYPICAL FORWARD CHARACTERISTICS
(FOR SKL32A)
FIG.6- TYPICAL FORWARD CHARACTERISTICS
(FOR SKLL32A)
Tj=100
0
C
1E+03
MILLIAMPERES REVERSE CURRENT. (mA)
MILLIAMPERES REVERSE CURRENT. (mA)
Tj=125 C
0
1E+03
Tj=25
0
C
Tj=25
0
C
1E+02
1E+01
1E+00
0
100
200
300
400
FORWARD VOLTAGE. (MILLIVOLTS)
500
1E+00
1E+01
0
1E+02
100
200
300
400
FORWARD VOLTAGE. (MILLIVOLTS)
500
600
FIG.7- TYPICAL FORWARD CHARACTERISTICS
(FOR SKL34A)
FIG.8- TYPICAL FORWARD CHARACTERISTICS
(FOR SKLL34A)
1E+03
1E+03
MILLIAMPERES REVERSE CURRENT. (mA)
Tj=125
0
C
MILLIAMPERES REVERSE CURRENT. (mA)
Tj=100
0
C
Tj=25
0
C
1E+02
Tj=25
0
C
1E+01
1E+00
1E-01
0
100
200
300
400
FORWARD VOLTAGE. (MILLIVOLTS)
500
600
1E+00
1E+01
0
1E+02
100
200
300
400
FORWARD VOLTAGE. (MILLIVOLTS)
500
600
- 84 -
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