CREAT BY ART
A
A
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Features
Low power loss, high efficiency
Metal to silicon rectifier, majority carrier conduction
High surge current capability, Low VF,
Easy pick and place
Plastic material used carriers Underwriters
Laboratory Classigication 94V-0
Epitaxial construction
Guard-ring for transient protection
High temperature soldering guaranteed:
260℃/10s at terminals
Meet MSL level 1, per J-STD-020D
lead free, maximum peak of 260℃
Green compound with suffix "G" on packing
code & prefix "G" on datecode
SK32A - SK320
3.0AMPS Surface Mount Schottky Barrier Rectifiers
SMA/DO-214AC
Mechanical Data
Case: SMA/DO-214AC
Lead: Pure tin plated, lead free, solderable per
MIL-STD-202, Method 208 guaranteed
Polarity: Indicated by cathode band
Packaging: 12mm tape per EIA STD RS-481
Weight: 0.07 gram
Ordering Information (example)
Part No. Package Packing
Packing
code
SK32A SMA 1.8K / 7" REEL R3
Green Compound
Packing code
R3G
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%
Type Number
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
SK
32
SK
33
SK
34
SK
35
SK
36
SK
39
SK
310
SK
315
SK
320
Unit
20 30 40 50 60 90 100 150 200 V
14 21 28 35 42 63 70 105 140 V
20 30 40 50 60 90 100 150 200 V
3
70 A
A
Maximum Instantaneous Forward Voltage (Note 1)
@ 3 A
Maximum Reverse Current @ Rated VR T
T
T
=25 ℃
A
=100 ℃
A
=125℃
A
Typical Junction Capecitance (Note 2) 600 290 110
Typical Thermal Resistance
Operating Temperature Range - 65 to + 150
Storage Temperature Range - 65 to + 150
V
F
0.55 0.75 0.85 0.95 V
0.5 0.1
I
R
mA10 5.0 -
-0.5
C
j
R
θjL
R
θjA
T
J
T
STG
28
88
O
C/W
pF
O
O
C
C
Note 1: Pulse Test with PW=300 usec, 1% Duty Cylcle
Note 2: Measure at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
Version:L12
RATINGS AND CHARACTERISTIC CURVES (SK32A THRU SK320A)
A
A
FIG.1 FORWARD CURRENT DERATING CURVE
3.5
3
2.5
2
1.5
1
CURRENT (A)
0.5
AVERAGE FORWARD A
RESISTIVE OR
INDUCTIVE LOAD
0
50 60 70 80 90 100 110 120 130 140 150
LEAD TEMPERATURE (oC)
FIG. 3 TYPICAL FORWARD CHARACTERISTICS
100
SK35A-SK36A
10
SK32A-SK34
FIG. 2 MAXIMUM NON-REPETITIVE FORWARD SURGE
70
60
50
40
(A)
30
20
10
0
PEAK FORWARD SURGE CURRENT
1 10 100
100
10
1
CURRENT
AT RATED TL
8.3ms Single Half Sine W ave
JEDEC Method
NUMBER OF CYCLES AT 60 Hz
FIG. 4 TYPICAL REVERSE CHARACTERISTICS
TA=125℃
TA=75℃
1000
CAPACITANCE (pF)
1
CURRENT (A)
0.1
INSTANTANEOUS FORWARD A
0.01
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
FORWARD VOLTAGE (V)
SK39A-SK320A
PULSE WIDTH=300uS
1% DUTY CYCLE
FIG. 5 TYPICAL JUNCTION CAPACITANCE
SK32A-SK34
SK35A-SK36A
100
SK39A-SK320A
PULSE WIDTH=300uS
1% DUTY CYCLE
0.1
TA=25℃
CURRENT (mA)
0.01
INSTANTANEOUS REVERSE A
0.001
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
FIG. 6 TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
(℃/W)
1
10
0.1 1 10 100
REVERSE VOLTAGE (V)
0.1
TRANSIENT THERMAL IMPEDANCE A
0.01 0.1 1 10 100
T-PULSE DURATION(s)
Version:L12
Ordering information
Part No. Package Packing
1.8K / 7" REEL
7.5K / 13" REEL
7.5K / 13" REEL
1.8K / 7" REEL
7.5K / 13" REEL
7.5K / 13" REEL
1.8K / 7" REEL
7.5K / 13" REEL
SK3XA
(Note)
SMA
SMA
SMA
Folded SMA
Folded SMA
Folded SMA
C SMA
C SMA
Note: "x" is Device Code from "2" thru "20".
Tape & Reel specification
Packing
code
R3
R2
M2
F3
F2
F4
E3
E2
Green Compound
Packing code
R3G
R2G
M2G
F3G
F2G
F4G
E3G
E2G
Reel Size Tape Size
ABCDNGT
±2.0 ±0.4 +0.5;-0.2 min ±1.0 +0.8;-0 max
7" 12mm 178 1.9 13 21 62 12.2 14.6
Reel Size Tape Size
ABCDNGT
max ±0.5 ±0.5 min ±0.5 +2.0;-0 max
13" 12mm 330 2 13 20.2 75 12.4 18.4
Unit (mm)
Suggested PAD Layout
Package Outline Dimensions
Symbol
A
B
C
D
E
DIM.
A 1.27 1.58 0.050 0.062
B 2.29 2.83 0.090 0.111
C 4.06 4.60 0.160 0.181
D 1.99 2.50 0.078 0.098
E 0.90 1.41 0.035 0.056
F 0.15 0.31 0.006 0.012
G 0.10 0.20 0.004 0.008
H 4.95 5.33 0.195 0.210
Unit(mm) Unit(inch)
Min Max Min Max
Unit(mm)
1.78
1.51
3.92
2.41
4.43
Marking Diagram
P/N = Specific Device Code
G = Green Compound
YW = Date Code
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