RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FM5820B
THRU
FM5822B
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 40 Volts CURRENT 3.0 Amperes
FEATURES
*
*
*
*
*
Ideal for surface mounted applications
Low leakage current
Metallurgically bonded construction
Mounting position: Any
Weight: 0.098 gram
DO-214AA
MECHANICAL DATA
* Epoxy: Device has UL flammability classification 94V-O
0.083 (2.11)
0.077 (1.96)
0.180 (4.57)
0.160 (4.06)
0.155 (3.94)
0.130 (3.30)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings 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%.
o
0.096 (2.44)
0.084 (2.13)
0.060 (1.52)
0.030 (0.76)
0.220 (5.59)
0.205 (5.21)
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
FM5820B
20
14
20
FM5821B
30
21
30
3.0
80
25
200
-55 to + 150
-55 to + 150
FM5822B
40
28
40
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 3.0A 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
FM5820B
.475
FM5821B
.500
2.0
20
FM5822B
.525
UNITS
Volts
mAmps
mAmps
2002-11
NOTES : 1. Thermal Resistance (Junction to Ambient).
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
RATING AND CHARACTERISTIC CURVES ( FM5820B THRU FM5822B )
AVERAGE FORWARD CURRENT, (A)
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
3
2
Single Phase
INSTANTANEOUS REVERSE CURRENT, (mA)
4
10
T
J
= 125
1.0
1
0
0
Half Wave 60Hz
P.C.B Mounted on
0.4X0.4"(10X10mm)
Resistive or
Inductive Load
copper pad areas
T
J
= 75
25
50
75
100
125
150
)
175
.1
LEAD TEMPERATURE, (
PEAK FORWARD SURGE CURRENT, (A)
FIG. 3 - MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
80
70
60
50
40
30
20
10
1
2
5
10
20
50
NUMBER OF CYCLE AT 60Hz
100
TL = 75
8.3ms Single Half Sine-Wave
(JEDEC Method)
.01
FM5820B
.001
0
FM5821B~FM5822B
20 40 60 80 100 120 140
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 5 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
JUNCTION CAPACITANCE (pF)
1000
800
600
400
200
100
80
60
TJ = 25
1.0
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
20
10
.1
.4
1.0
4
10
REVERSE VOLTAGE, ( V )
40
FM5820B
FM5821B
FM5822B
.1
.2
.3
.4
.5
.6
.7
.8
.9
INSTANTANEOUS FORWARD VOLTAGE, (V)
RECTRON
Mounting Pad Layout
0.106 MAX.
(2.69 MAX.)
0.083 MIN.
(2.10 MIN.)
0.050 MIN.
(1.27 MIN.)
0.220 REF
Dimensions in inches and (millimeters)
RECTRON
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