CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 - 40 Volts CURRENT 3.0 Amperes
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* For surface mounted applications
* Low profile package
* Built-in strain relief
* Metal silicon junction, majority carrier conduction
* Low power loss, high efficiency
* High current capability, low forward voltage drop
* High surge capability
* For use in low voltage high frequency inverters, free
wheeling, and polarity protection applications
* High temperature soldering guaranteed :
260
o
C/10 seconds at terminals
SBM5820PT
THRU
SBM5822PT
SMB
0.155 (3.94)
0.130 (3.30)
(1)
(2)
0.083 (2.11)
0.077 (1.96)
MECHANICAL DATA
Case:
JEDEC SMB molded plastic
Terminals:
Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Weight:
0.003 ounce 0.093 gram
0.190 (4.75)
0.160 (4.06)
0.012 (0.305)
0.006 (0.152)
0.096 (2.44)
0.084 (2.13)
0.060 (1.52)
0.030 (0.76)
0.008 (0.203)(max)
0.220 (5.59)
0.205 (5.21)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 H
Z
, resistive or inductive load.
For capacitive load, derate current by 20%.
o
Dimensions in inches and (millimeters)
SMB
SBM5822PT
40
28
40
UNITS
Volts
Volts
Volts
Amps
MAXIMUM RATINGES
( 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 T
L
= 95 C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method) T
L
= 75 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Storage and Operating Temperature Range
C
J
R
JA
o
o
SYMBOL
V
RRM
V
RMS
V
DC
I
O
SBM5820PT
20
14
20
SBM5821PT
30
21
30
3.0
I
FSM
80
Amps
250
28
-65 to +125
o
pF
C/W
o
T
J
, T
STG
C
ELECTRICAL CHARACTERISTICS
( At T
A
= 25
o
C unless otherwise noted )
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 3.0 A DC
Maximum Instantaneous Forward Voltage at 9.4 A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage (Note 3)
@ T
A
= 25
o
C
I
R
@ T
A
= 100 C
o
SYMBOL
V
F
V
F
SBM5820PT
0.475
0.850
SBM5821PT
0.500
0.900
2.0
20
SBM5822PT
0.525
0.950
UNITS
Volts
Volts
mAmps
mAmps
RATING CHARACTERISTIC CURVES ( SBM5820 THRU SBM5822 )
INSTANTANEOUS FORWARD CURRENT, ( A )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
4
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD
CHARCTERISTICS
20
SBM5820
10
3
2
Single
Half Wave 60H
Z
Resistive or
Inductive Load
SBM5821
SBM5822
1.0
1
T
J
=125
o
C
Pulse Width = 300us
1% Duty Cycle
0
0
20
40
60
80
100
o
120
140
0.1
0
.1
.2
.3
.4
.5
.6
.7
.8
.9
1.0
LEAD TEMPERATURE, ( C )
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
10
INSTANTANEOUS REVERSE CURRENT, (mA)
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
80
PEAK FORWARD SURGE CURRENT, (A)
70
60
50
1.0
T
J
= 100 C
o
8.3 ms Single Half Sine-Wave
(JEDEC Method)
T
J
= 75
o
C
.10
40
30
T
J
= 25 C
o
.01
20
.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
10
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60H
Z
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
1000
JUNCTION CAPACITANCE, (pF)
600
400
T
J
= 25
o
C
200
100
60
20
10
.1
.4
1.0
4
10
REVERSE VOLTAGE, (V)
40
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