SK52B-SK515B
5.0AMPS. Surface Mount Schottky Barrier Rectifiers
SMB/DO-214AA
Features
For surface mounted application
Metal to silicon rectifier, majority carrier conduction
Low forward voltage drop
Easy pick and place
High surge current capability
Plastic material used carriers Underwriters
Laboratory Classification 94V-0
Epitaxial construction
High temperature soldering:
260
o
C / 10 seconds at terminals
Mechanical Data
Case: Molded plastic
Terminals: Pure tin plated, lead free.
Polarity: Indicated by cathode band
Weight: 0.093 gram
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25 C 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 Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
L
(See Fig. 1)
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
Maximum Instantaneous Forward Voltage
@ 5.0A
Maximum DC Reverse Current (Note 1)
o
@ T
A
=25
C
at Rated DC Blocking Voltage
o
@ T
A
=125
C
o
Symbol
SK
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
R
θJL
R
θJA
T
J
T
STG
SK
52B 53B
SK
54B
SK
55B
SK
56B
SK
SK
SK
59B 510B 515B
Units
V
V
V
A
A
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
5.0
120
90
63
90
100 150
70 105
100 150
0.55
0.5
20
0.75
0.85
0.1
2.0
0.95
V
mA
mA
o
Typical Thermal Resistance ( Note 2 )
Operating Temperature Range
Storage Temperature Range
Notes:
10
19
60
-55 to +150
-55 to +150
C/W
o
o
C
C
1. Pulse Test with PW=300 usec, 1% Duty Cycle
2. Measured on P.C.Board with 0.4” x 0.4” (10mm x 10mm) Copper Pad Areas.
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mail:lge@luguang.cn
SK52B-SK515B
5.0AMPS. Surface Mount Schottky Barrier Rectifiers
RATINGS AND CHARACTERISTIC CURVES (SK52B THRU SK515B)
FIG. 2- MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
FIG. 1- MAXIMUM FORWARD CURRENT DERATING
CURVE
PEAK FORWARD SURGE CURRENT.(A)
3.0
AVERAGE FORWARD CURRENT.(A)
RESISTIVE OR
INDUCTIVELOAD
2.0
130
AT RATED TL
8.3ms Single Half Sine Wave
JEDEC Method
110
1.0
90
70
PCB MOUNTED ON 0.2X0.2"
(5.0X5.0mm)COPPER PAD AREAS
0
50
60
70
80
90
100 110 120 130
O
LEAD TEMP ERATURE.( C)
140
150
160
50
1
10
NUMBER OF CYCLES AT 60Hz
100
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
FIG. 3- TYPICAL FORWARD CHARACTERISTICS
40
O
20
10
Tj=125 C
10
TJ=125 C
O
INSTANTANEOUS REVERSE CURRENT.(mA)
INSTANTANEOUS FORWARD CURRENT.(A)
1
Tj=125 C
1
O
TJ=75 C
0.1
O
PULSE WIDTH=300 S
1% DUTY CYCLE
Tj=25 C
0.1
O
0.01
TJ=25 C
SK52B-SK54B
SK55B-SK515B
O
SK52B-SK54B
SK55B-SK56B
SK59B-SK515B
0.001
1.5
0.01
0
0.2
1.0
1.2
0.4
0.6
0.8
FORWARD VOLTAGE.(V)
1.4
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
FIG. 5- TYPICAL JUNCTION CAPACITANCE
1000
TRANSCIENT THERMAL IMPEDANCE, (
O
C/W)
FIG.6- TYPICAL TRANSIENT THERMAL
CHARACTERISTICS
100
SK
JUNCTION CAPACITANCE.(pF)
SK5
52
5B-
SK5
B-S
K5
Tj=25 C
f=1.0MHz
Vsig=50mVp-p
O
6B
4B
10
100
SK
59
B-S
K5
15
B
1
10
0.1
1
10
REVERSE VOLTAGE.(V)
100
0.1
0.01
0.1
1
t, PULSE DURATION, (sec)
10
100
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