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Features
For surface mounted application
Metal to sillicon rectifier, majority carrier conduction
Low forward voltage drop
Easy pick and place
High surge current capability
Meet MSL level 1, per J-STD-020D,
lead free maximum peak of 260℃
Plastic material used carriers Underwriters
Laboratory Classification 94V-0
Epitaxial construction
High temperature soldering:
260℃/10 seconds at terminals
Green compound with suffix "G" on packing
code & prefix "G" on datecode
SK32B - SK320B
3.0AMPS Surface Mount Schottky Barrier Rectifiers
SMB/DO-214AA
Mechanical Data
Case: Molded plastic
Terminals: Pure tin plated, lead free
Polarity: Indicated by cathode band
Packaging: 12mm tape per EIA STD RS-481
Weight: 0.1 gram
Ordering Information (example)
Part No. Package
Packing
Packing
code
SK32B SMB 850 / 7" REEL R5
Green Compound
Packing code
R5G
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 3
Peak Forward Surge Current, 8.3 ms Single Half Sinewave Superimposed on Rated Load
Symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
SK
32BSK33BSK34BSK35BSK36BSK39BSK310BSK315BSK320B
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
70
Unit
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 Thermal Resistance
Operating Temperature Range
Storage Temperature Range - 55 to + 150
V
F
0.5 0.75 0.85
0.5 0.1
I
R
-
R
θjL
R
θjA
T
J
T
STG
- 55 to + 125 - 55 to + 150
17
75
Note 1: Pluse Test with PW=300 usec, 1% Duty Cycle
-
2
Version:H12
0.95
mA10 5
O
C/W
V
O
C
O
C
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RATINGS AND CHARACTERISTIC CURVES (SK32B THRU SK320B)
℃
FIG.1 FORWARD CURRENT DERATING CURVE
3.5
3
2.5
2
1.5
1
CURRENT (A)
0.5
AVERAGE FORWARD A
0
50 60 70 80 90 100 110 120 130 140 150
SK32B-SK34B
LEAD TEMPERATURE (oC)
RESISTIVE OR
INDUCTIVELOAD
SK35B-SK320B
FIG. 3 TYPICAL FORWARD CHARACTERISRICS
100
10
TA=125℃
FIG. 2 MAXIMUM NON-REPETITIVE FORWARD SURGE
150
120
90
(A)
60
30
PEAK FORWARD SURGE CURRENT
0
1 10 100
100
TA=125℃
10
CURRENT
AT RATED TL
8.3mS Single Half Sine Wave
JEDEC Method
NUMBER OF CYCLES AT 60 Hz
FIG. 4 TYPICAL REVERSE CHARACTERISTICS
1
TA=25℃
CURRENT (A)
0.1
INSTANTANEOUS FORWARD A
0.01
0 0.2 0.4 0.6 0.8 1 1.2 1.4
FORWARD VOLTAGE (V)
SK32B-SK34B
SK35B-SK36B
SK39B-SK320B
FIG. 5 TYPICAL JUNCTION CAPACITANCE
1000
SK32B-SK34B
SK35B-SK36B
100
SK39B-SK320B
CAPACITANCE (pF)
1
0.1
CURRENT (mA)
0.01
INSTANTANEOUS REVERSE A
0.001
0 20 40 60 80 100 120 140
TA=25℃
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
TA=75
FIG. 6 TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
(℃/W)
1
SK32B-SK34B
SK35B-SK320B
10
0.1 1 10 100
REVERSE VOLTAGE (V)
TRANSIENT THERMAL IMPEDANCE A
0.1
0.01 0.1 1 10 100
T-PULSE DURATION(s)
Version:H12
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Ordering information
Part No. Package Packing
SK3XB
(Note)
Note: "x" is Device Code from "2" thru "20".
SMB
SMB
SMB
850 / 7" REEL
3K / 13" REEL
3K / 13" REEL
Tape & Reel specification
Packing
code
R5
R4
M4
Green Compound
Packing code
R5G
R4G
M4G
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
Symbol
A
B
C
D
E
Unit(mm)
2.3
2.5
4.3
1.8
6.7
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Dimensions
Marking Diagram
P/N = Specific Device Code
G = Green Compound
YW = Date Code
DIM.
Unit(mm)
Min Max Min Max
A 1.95 2.10 0.077 0.083
B 3.48 3.73 0.137 0.147
C 4.25 4.75 0.167 0.187
D 1.99 2.61 0.078 0.103
E 0.90 1.41 0.035 0.056
F 5.10 5.30 0.201 0.209
G 0.10 0.20 0.004 0.008
H 0.15 0.31 0.006 0.012
I 0.15 0.31 0.006 0.012
Unit(inch)
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