SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 40 Volts CURRENT 3.0 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Low switching noise
* Low forward voltage drop
* High current capability
* High switching capabitity
* High surge capability
* High reliability
MECHANICAL DATA
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%.
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 1.18 grams
1N5820
THRU
1N5822
DO-201AD
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
2. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length.
3. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
NOTES : 1. Measured at Pulse Width 300 uS, Duty 2%.
Dimensions in inches and (millimeters)
2001-6
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
.375" (9.5mm) lead length at T
L
= 95
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 2)
Typical Junction Capacitance (Note 3)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
J
, T
STG
V
RMS
UNITS
20
Volts
Volts
Volts
Amps
14
28
40
3.0
80
28
250
Amps
0
C / W
0
C
30
21
Storage and Operating Temperature Range
R
J A
I
O
-65 to + 125
pF
20
30
40
1N5820
1N5821
1N5822
CHARACTERISTICS
Maximum Average Reverse Current at
Rated DC Blocking Voltage (Note 1)
V
F
SYMBOL
I
R
U N I T S
m A m p s
Volts
Maximum Instantaneous Forward Voltage at 9.4A DC (Note 1)
Maximum Instantaneous Forward Voltage at 3.0A DC (Note 1)
Volts
2.0
1N5820
1N5821
1N5822
.475
.500
.525
.850
V
F
.900
.950
20
@T
A
= 25
o
C
@T
A
= 100
o
C
.220 (5.6)
.197 (5.0)
DIA.
.052 (1.3)
.048 (1.2)
DIA.
1.0 (25.4)
MIN.
.335 (8.5)
.375 (9.5)
1.0 (25.4)
MIN.
RECTRON
RATING AND CHARACTERISTIC CURVES ( 1N5820 THRU 1N5822 )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
LEAD TEMPERATURE, ( )
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375" (9.5mm) Lead Length
0
20
40
60
80
100
120
140
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
1N5820
1N5821
1N5820
1N5821~1N5822
1N5822
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
T
J
= 25
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
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