SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 40 Volts CURRENT 3.0 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
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%.
FM5820
THRU
FM5822
DO-214AB
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Thermal Resistance (Junction to Ambient).
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
* Ideal for surface mounted applications
* Low leakage current
* Metallurgically bonded construction
* Mounting position: Any
* Weight: 0.24 gram
* Epoxy: Device has UL flammability classification 94V-O
Dimensions in inches and (millimeters)
2002-10
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)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps
3.0
80
25
200
Amps
0
C / W
0
C
Storage Temperature Range
I
O
-55 to + 150
pF
Operating Temperature Range
T
J
FM5820
FM5822
FM5821
20
40
30
14
28
21
20
40
30
-55 to + 150
0
C
R
J A
CHARACTERISTICS
Maximum Average Reverse Current
at Rated DC Blocking Voltage
V
F
SYMBOL
I
R
m A m p s
Maximum Instantaneous Forward Voltage at 3.0A DC
Volts
2.0
20
@T
A
= 25
o
C
@T
A
= 100
o
C
.475
.525
m A m p s
UNITS
FM5820
FM5822
FM5821
.500
MECHANICAL DATA
0.006 (0.152)
0.012 (0.305)
0.008 (0.203)
0.004 (0.102)
0.320 (8.13)
0.305 (7.75)
0.030 (0.76)
0.060 (1.52)
0.079 (2.06)
0.103 (2.62)
0.260 (6.60)
0.280 (7.11)
0.220 (5.59)
0.245 (6.22)
0.125 (3.17)
0.115 (2.92)
RECTRON
RATING AND CHARACTERISTIC CURVES ( FM5820 THRU FM5822 )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
LEAD TEMPERATURE, ( )
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0
25
50
75
100
125
150
175
4
3
2
1
0
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE (pF)
REVERSE VOLTAGE, ( V )
1000
800
600
400
200
100
80
60
20
10
.1
.4
1.0
4
10
40
TJ = 25
FIG. 5 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
FM5820
FM5821
FM5822
INSTANTANEOUS FORWARD VOLTAGE, (V)
.2
.3
.4
.5
.6
.7
.8
.9
.1
1.0
10
20
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (mA)
T
J
= 125
T
J
= 75
FM5820
FM5821~FM5822
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
0
20
40
60
80
100 120 140
.001
.01
.1
1.0
10
FIG. 3 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT, (A)
NUMBER OF CYCLE AT 60Hz
1
2
5
10
20
50
100
80
70
60
50
40
30
20
10
TL = 75
8.3ms Single Half Sine-Wave
(JEDEC Method)
FORWARD SURGE CURRENT
P.C.B Mounted on
0.4X0.4"(10X10mm)
copper pad areas
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