Chip Schottky Barrier Rectifier
FM540S-AL
5.0A Surface Mount Schottky Barrier
Rectifiers 40V
Features
Batch process design, excellent power dissipation offers
better reverse leakage current and thermal resistance.
Low profile surface mounted application in order to
optimize board space.
High current capability, low forward voltage drop.
Guardring for overvoltage protection.
Ultra high-speed switching.
Silicon epitaxial planar chip, metal silicon junction.
Lead-free parts meet environmental standards of
MIL-STD-19500 /228
Suffix "-H" indicates Halogen free parts
Formosa MS
Package outline
SMA-L
0.209(5.3)
0.185(4.7)
0.012(0.3) Typ.
0.114(2.9)
0.091(2.3)
Mechanical data
Epoxy:UL94-V0 rated flame retardant
Case : Molded plastic, DO-214AC / SMA-L
Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity : Indicated by cathode band
Mounting Position : Any
Weight : Approximated 0.05 gram
0.032(0.8) Typ.
0.080(2.0)
0.063(1.6)
0.032 (0.8) Typ.
Dimensions in inches and (millimeters)
Maximum ratings
(AT
PARAMETER
Forward rectified current
Forward surge current
T
A
=25
o
C unless otherwise noted)
CONDITIONS
See Fig.1
8.3ms single half sine-wave superimposed on
rate load (JEDEC methode)
V
R
= V
RRM
T
J
= 25
O
C
V
R
= V
RRM
T
J
= 100 C
Junction to ambient
f=1MHz and applied 4V DC reverse voltage
O
Symbol
I
O
I
FSM
I
R
R
èJA
C
J
T
STG
MIN.
TYP.
MAX.
5.0
80
0.5
20
80
UNIT
A
A
Reverse current
Thermal resistance
Diode junction capacitance
Storage temperature
mA
O
C/W
pF
O
250
-55
+150
C
SYMBOLS
*1
V
RRM
(V)
40
V
RMS
*2
(V)
28
*3
V
R
(V)
40
*4
V
F
(V)
0.5@IF=3A
0.55@IF=5A
Operating
temperature
T
J
, (
O
C)
-55 to +125
Marking code
S54
*1 Repetitive peak reverse voltage
*2 RMS voltage
*3 Continuous reverse voltage
*4 Maximum forward voltage@I
F
=5.0A
FM540S-AL
http://www.formosams.com/
TEL:86-571-86690061
FAX:86-571-86696991
Document ID
Issued Date
2010/02/10
Revised Date
Revision
A
Page.
2
Page 1
DS-121628-H1
Rating and characteristic curves (FM540S-AL)
FIG.1-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
100
700
600
500
400
300
200
100
0
1
5
10
50
100
0
.01
FIG.2-TYPICAL JUNCTION CAPACITANCE
80
60
T
J
=25 C
8.3ms Single Half
Sine Wave
JEDEC method
40
20
JUNCTION CAPACITANCE,(pF)
.05
.1
.5
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,(V)
FIG.3-TYPICAL FORWARD
CHARACTERISTICS
100
50
INSTANTANEOUS FORWARD CURRENT,(A)
FIG.4 - TYPICAL REVERSE
CHARACTERISTICS
3.0
1.0
T
J
=25 C
Pulse Width 300us
1% Duty Cycle
REVERSE LEAKAGE CURRENT, (mA)
10
10
1.0
T
J
=75 C
0.1
.1
T
J
=25 C
.01
.1
.3
.5
.7
.9
1.1
1.3
1.5
.01
0
20
40
60
80
100 120 140
FORWARD VOLTAGE,(V)
PERCENTAGE RATED PEAK REVERSE VOLTAGE
http://www.formosams.com/
TEL:86-571-86690061
FAX:86-571-86696991
Document ID
Issued Date
2010/02/10
Revised Date
Revision
A
Page.
2
Page 2
DS-121628-H1
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