RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FM520
THRU
FM560
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 60 Volts CURRENT 5.0 Amperes
FEATURES
*
*
*
*
*
*
*
Fast switching
Low switching noise
Low forward voltage drop
High current capability
High switching capability
High reliability
High surge capability
0.125 (3.17)
0.115 (2.92)
0.280 (7.11)
0.260 (6.60)
DO-214AB
MECHANICAL DATA
*
*
*
*
*
*
Case: Molded plastic
Epoxy: Device hasUL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Metallurgically bonded construction
Mounting position: Any
Weight: 0.24 gram
0.245 (6.22)
0.220 (5.59)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
0.103 (2.62)
0.079 (2.06)
0.060 (1.52)
0.030 (0.76)
0.320 (8.13)
0.305 (7.75)
0.012 (0.305)
0.006 (0.152)
0.008 (0.203)
0.004 (0.102)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(At T
A
= 25
o
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at Derating Lead Temperature
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
θ
JA
C
J
T
J
T
STG
FM520
20
14
20
FM530
30
21
30
FM540
40
28
40
5.0
150
25
200
-55 to + 150
-55 to + 150
FM550
50
35
50
FM560
60
42
60
UNITS
Volts
Volts
Volts
Amps
Amps
0
C/ W
pF
0
0
C
C
ELECTRICAL CHARACTERISTICS
(At T
A
= 25
o
C unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 5.0A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage
@T
A
= 25 C
@T
A
= 100
o
C
o
SYMBOL
V
F
I
R
FM520
FM530
.55
FM540
2.0
20
FM550
.75
FM560
UNITS
Volts
mAmps
mAmps
2002-7
NOTES : 1. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5” (12.7mm) Lead Length.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
RATING AND CHARACTERISTIC CURVES ( FM520 THRU FM560 )
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
INSTANTANEOUS REVERSE CURRENT, (mA)
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
10
5.0
AVERAGE FORWARD CURRENT, (A)
2.5
TJ = 125
1.0
2.0
Single Phase
Half Wave 60Hz
Resistive of
Inductive LoadP.C.B Mounted on
0.4X0.4"(10X10mm)
copper pad areas
TJ = 75
1.5
.1
1.0
TJ = 25
.01
.5
P.C.B Mounted on
0.4X0.4"(10X10mm)
copper pad areas
0
0
25
50
75
100
125
LEAD TEMPERATURE, ( )
150
.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
500
JUNCTION CAPACITANCE, (pF)
TJ = 25
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
20
10
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
200
100
50
20
10
5
FM520~FM540
FM550~FM560
1.0
.1
.2
.3
.4
.5
.6
.7
.8
.9
INSTANTANEOUS FORWARD VOLTAGE, (V)
PEAK FORWARD SURGE CURRENT, (A)
.1
.2
.5
1
2
5
10 20
REVERSE VOLTAGE, (V)
40
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
210
180
150
120
90
60
30
0
1
2
5
10
20
50
NUMBER OF CYCLE AT 60Hz
100
TL = 75
8.3ms Single Half Sine-Wave
(JEDEC Method)
RECTRON