CREAT BY ART
SK32A - SK320A
3.0AMPS Surface Mount Schottky Barrier Rectifiers
SMA/DO-214AC
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
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.
SK32A
Package
SMA
Packing
1.8K / 7" REEL
Packing
code
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
Maximum Instantaneous Forward Voltage (Note 1)
@3A
Maximum Reverse Current @ Rated VR
T
A
=25
℃
T
A
=100
℃
T
A
=125℃
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
SK
32A
20
14
20
SK
33A
30
21
30
SK
34A
40
28
40
SK
35A
50
35
50
SK
36A
60
42
60
3
70
SK
39A
90
63
90
SK
310A
100
70
100
SK
315A
150
105
150
SK
320A
200
140
200
Unit
V
V
V
A
A
0.55
0.5
0.75
0.85
0.1
0.95
V
I
R
C
j
R
θjL
R
θjA
T
J
T
STG
10
-
600
5.0
290
28
88
- 65 to + 150
- 65 to + 150
-
0.5
110
mA
pF
O
Typical Junction Capecitance (Note 2)
Typical Thermal Resistance
Operating Temperature Range
Storage Temperature Range
Note 1: Pulse Test with PW=300 usec, 1% Duty Cylcle
C/W
O
O
C
C
Note 2: Measure at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
Version:L12
RATINGS AND CHARACTERISTIC CURVES (SK32A THRU SK320A)
FIG.1 FORWARD CURRENT DERATING CURVE
3.5
3
AVERAGE FORWARD
A
CURRENT (A)
PEAK FORWARD SURGE CURRENT
(A)
FIG. 2 MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT
70
60
50
40
30
20
10
0
1
10
100
2.5
2
AT RATED TL
8.3ms Single Half Sine Wave
JEDEC Method
1.5
1
RESISTIVE OR
INDUCTIVE LOAD
0.5
0
50
60
70
80
90
100
110
120
130
140
150
LEAD TEMPERATURE (
o
C)
NUMBER OF CYCLES AT 60 Hz
FIG. 3 TYPICAL FORWARD CHARACTERISTICS
100
SK35A-SK36A
10
INSTANTANEOUS FORWARD
A
CURRENT (A)
INSTANTANEOUS REVERSE
A
CURRENT (mA)
100
FIG. 4 TYPICAL REVERSE CHARACTERISTICS
TA=125℃
10
SK32A-SK34A
TA=75℃
1
1
SK39A-SK320A
0.1
TA=25℃
0.1
PULSE WIDTH=300uS
1% DUTY CYCLE
0.01
0.01
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
FORWARD VOLTAGE (V)
0.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
FIG. 5 TYPICAL JUNCTION CAPACITANCE
1000
FIG. 6 TYPICAL TRANSIENT THERMAL IMPEDANCE
100
SK32A-SK34A
SK35A-SK36A
CAPACITANCE (pF)
100
SK39A-SK320A
PULSE WIDTH=300uS
1% DUTY CYCLE
10
0.1
1
10
100
REVERSE VOLTAGE (V)
TRANSIENT THERMAL IMPEDANCE
A
(℃/W)
10
1
0.1
0.01
0.1
1
T-PULSE DURATION(s)
10
100
Version:L12
嵌入式系统
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