CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 70 - 100 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
SBM37PT
THRU
SBM310PT
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
SBM310PT
100
70
100
UNITS
Volts
Volts
Volts
Amps
MAXIMUM RATINGES
( At T
A
= 25 C unless otherwise noted )
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance (Note 1)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
SBM37PT
70
49
70
SBM38PT
80
56
80
3.0
SBM39PT
90
63
90
o
I
FSM
C
J
R
JL
50
110
17
-65 to +150
Amps
pF
o
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 Average Reverse Current
at Rated DC Blocking Voltage
@ T
A
= 25
o
C
I
R
@ T
A
= 100
o
C
10
mAmps
SYMBOL
V
F
SBM37PT
SBM38PT
0.75
0.5
SBM39PT
SBM310PT
0.80
UNITS
Volts
mAmps
RATING CHARACTERISTIC CURVES ( SBM37PT THRU SBM310PT )
INSTANTANEOUS FORWARD CURRENT, ( A )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
3.0
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
1.5
SB
M3
9PT
37P
SBM
T~S
1.0
SBM37PT~3PT8
SBM39PT~310PT
BM3
~S
BM
PT
310
1.0
8PT
0.5
Single
Half Wave 60H
Z
Resistive or
Inductive Load
0
0
25
50
75
100
125
o
150
175
0.1
T
J
=25
o
C
Pulse Width=300us
1% Duty Cycle
0
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
LEAD TEMPERATURE, ( C )
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS REVERSE CURRENT, (mA)
10
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG. 4 - MAXIMUM NON-REPETIVE FORWARD
SURGE CURRENT
60
PEAK FORWARD SURGE CURRETN(A)
50
8.3ms Single Half Sine-Wave
(JEDEC Method)
1.0
T
J
= 150
o
C
40
30
.10
20
.01
T
J
= 25
o
C
10
.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
0
1
2
4
6
8 10
20
40
80 100
NUMBER OF CYCLES AT 60 Hz
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
400
JUNCTION CAPACITANCE, ( pF )
200
100
80
60
40
20
10
.1
.4
1.0
4
10
40
80
REVERSE VOLTAGE, ( V )
T
J
= 25 C
o
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