Current
3.0 A
For surface mounted application
Metal to silicon rectifier, majority carrier conduction
Low power loss, high efficiency
High current capability. low VF
High surge current capability
CASE:
SMB/DO-214AA
MECHANICAL DATA
Terminals: Pure tin plated, lead free
Polarity: Indicated by cathode band
Weight: 0.1 g.
SK32B - SK315B
3 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
8.3 ms.Peak Forward Surge Current
V
DC
Maximum DC Blocking Voltage (V)
70 A
Easy pick and place
V
RMS
T
j
Operating Temperature Range -55°C to +150°C
Marking code
(Jedec Method)
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
32B
IF
40
40
28
SK
34B
IG
60
60
42
SK
36B
IH
100
100
70
SK
310B
IJ
150
150
105
SK
315B
IK
I
F(AV)
Forward Current at T
L
(See graphic) 3.0 A
T
stg
Storage Temperature Range
-55°C to +150°C
-55°C to +125°C
Oct - 08
Electrical Characteristics at Tamb = 25 °C
Dimensions in mm.
NOTES: 1. Pulse Test With PW = 300 µsec, 1% Duty Cycle
2. Measured on P.C. Board with 10mm x 10mm Copper Pad Areas.
Typical Thermal Resistance
75 °C/W
R
thj-l
17 °C/W
R
thj-a
V
F
Maximum Instantaneous Forward Voltage
@ 3.0 A
0.5 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)
2.0 mA
Pb
XX = Marking code
WW = Week code
Y = Year code
I
F
, instantaneous forward current (A)
TYPICAL FORWARD CHARACTERISTIC
I
F(AV)
, average forward Current (A)
MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
I
FSM
, peak forward surge current (A)
Cj, junction capacitance (pF)
Rating And Characteristic Curves
MAXIMUM FORWARD CURRENT DERATING
CURVE
TYPICAL JUNCTION CAPACITANCE
Oct - 08
Transient thermal impedance (°C/W)
SK32B - SK315B
TYPICAL REVERSE CHARACTERISTIC
TYPICAL TRANSIENT THERMAL
CHARACTERISTIC
Lead temperature (°C)
50 100 130
3
0
60 70 80 110 120 160140 15090
1
2
1000
10
100.1 100
100
V
R
, reverse voltage (V)
1
Percent of rated peak reverse voltage (%)
I
R
, Instantaneous reverse
current (mA)
0 100
0.1
0.01
0.001
20
20 40 60 80 120
10
140
1
0.01
VF
, forward voltage (V)
0 0.4 0.8 1.2 1.6
50
0.2 0.6 1.0 1.4
1
0.1
10
RESISTIVE OR
INDUCTIVE LOAD
SK36B-SK315B
SK32B-SK34B
P.C.B. MOUNTED ON 10 x 10 mm
COPPER PAD AREAS
Tj = 25 °C
f = 1.0 MHz
Vsig = 50mVp-p
SK32B-SK34B
SK36B
SK310B-SK315B
100
150
30
0
101
60
90
Number of cycles at 60 Hz
120
AT RATED TL
8.3 ms Single Half Sine Wave
JEDEC Method
T, Pulse duration (sec)
0.1
100
0.01
1
10
0.1 1 10 100
T
j
= 125 °C
T
j
= 75 °C
T
j
= 25 °C SK32B-SK34B
SK36B-SK315B
Tj = 125 °C
PULSE WIDTH = 300 µs
1% DUTY CYCLE
Tj = 125 °C
SK36B
SK32B-SK34B
SK310B-SK315B
Tj = 25 °C