Current
3.0 A
For surface mounted application
Metal to silicon rectifier, majority carrier conduction
Easy pick and place
High surge current capability
MECHANICAL DATA
Terminals: Pure tin plated, lead free.
Polarity: Indicated by cathode band
Weight: 0.064 gram
SK32A ........ SK315A
3.0 Amp. Surface Mount Schottky Barrier Rectifiers
Maximum Ratings and Electrical Characteristics at 25 ºC
V
RRM
Maximum Recurrent Peak Reverse Voltage (V)
Maximum RMS Voltage (V)
I
FSM
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC Method)
V
DC
Maximum DC Blocking Voltage (V)
70 A
V
RMS
T
j
Operating Temperature Range
-55°C to +150°C
Voltage
20 V to 150 V
Epitaxial construction
 High temperature soldering:
Plastic material used carriers Underwraiters
Laboratory Classification 94V-0
260 ºC / 10 seconds at terminals 
Case: Molded plastic
Packaging: 16 mm tape EIA-STD RS-481.
20
20
14
SK
32A
40
40
28
SK
34A
60
60
42
SK
36A
100
100
70
SK
310A
150
150
105
SK
315A
I
F(AV) Maximum Average Forward Rectified Current at
TL (See graphic)
3.0 A
T
stg
Storage Temperature Range
-55°C to +150°C
-55°C to +125°C
Jul - 08
NOTES: 1. Pulse Test With PW = 300 µsec, 1% Duty Cycle
2. Measured on P.C. Board with 5mm x 5mm Copper Pad Areas.
Typical Thermal Resistance
88 °C/W
R
thj-l
28 °C/W
R
thj-a
Electrical Characteristics at Tamb = 25 °C
V
F
Maximum Instantaneous Forward Voltage
@ 3.0 A
0.55 V 0.75 V 0.85 V 0.95 V
I
R
5.0 mA
Maximum DC Reverse Current (Note 1) T
A
= 25 °C
at Rated DC Blocking Voltage TA =125°C
0.5 mA
10 mA
0.1 mA
(Note 2)
Low forward voltage drop
2.0 mA
CASE:
SMA/DO-214AC
Pb
Dimensions in mm.
Marking code
IA
IB IC ID IE
XX = Marking code
WW = Week code
Y = Year code
Jul - 08
SK32A ........ SK315A
0.01
I
F
, instantaneous forward current (A)
VF
, forward voltage (V)
0 0.4 0.8 1.2 1.6
TYPICAL FORWARD CHARACTERISTIC
50
Lead temperature (°C)
50 100
I
F(AV)
, average forward Current (A)
130
100
MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
30
0
101
I
FSM
, peak forward surge current (A)
1000
10
100.1
Cj, junction capacitance (pF)
Percent of rated peak reverse voltage (%)
I
R
, Instantaneous reverse
current (mA)
0 100
3
0
0.1
0.01
0.001
20
Rating And Characteristic Curves
100
60
90
0.2 0.6 1.0 1.4
60 70 80 110 120 160
MAXIMUM FORWARD CURRENT DERATING
CURVE
20 40 60 80 120
Number of cycles at 60 Hz
100
TYPICAL JUNCTION CAPACITANCE
1
0.1
120
V
R
, reverse voltage (V)
10
140
140 15090
1
1
T, Pulse duration (sec)
Transient thermal impedance (°C/W)
TYPICAL REVERSE CHARACTERISTICS
TYPICAL TRANSIENT THERMAL
CHARACTERISTICS
1
0.1
100
0.01
1
10
0.1 1 10 100
10
2
AT RATED TL
8.3 ms Single Half Sine Wave
JEDEC Method
T
j
= 125 °C
T
j
= 75 °C
T
j
= 25 °C
RESISTIVE OR
INDUCTIVE LOAD
SK36A-SK315A
SK32A-SK34A
P.C.B. MOUNTED ON 5 x 5 mm
COPPER PAD AREAS
PULSE WIDTH = 300 µS
1% DUTY CYCLE
SK310A-SK315A
SK32A-SK34A
SK36A
Tj = 25 °C
f = 1.0 MHz
Vsig = 50mVp-p
SK32A-SK34A
SK36A
SK310A-SK315A