SB43-B THRU SB44-B
SURFACE MOUNT SCHOTTKY
BARRIER RECTIFIER
VOLTAGE:30 TO 40V
CURRENT: 4.0A
FEATURE
Plastic package has Underwriters Laboratory Flammability Classification
94V-0
For surface mounted applications
Low profile package
Built-in strain relief
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
Guarding for over voltage protection
SMB/DO--214AA
MECHANICAL DATA
Case:
JEDEC DO-214AB molded plastic body
Terminals:
Solder plated, solderable per MIL-STD-750, Method 2026
High temperature soldering guaranteed:
250
ºC
/10 seconds at terminals
Polarity:
Color band denotes cathode end
Weight:
0.003 ounce, 0.093gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(single-phase, half-wave, 60HZ, resistive or inductive load rating at 25
ºC
, unless otherwise stated,
for capacitive load, derate current by 20%)
SYMBOL
Device marking code
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC blocking Voltage
Maximum Average Forward Rectified
Current 3/8’lead length at T
L
(See Fig.1)
Peak Forward Surge Current 8.3ms single
half sine-wave superimposed on rated load
Maximum Forward Voltage at rated Forward
current at 4.0A T
J
=25
ºC
(Note 1)
Maximum DC Reverse Current
at rated DC blocking voltage
Typical Thermal Resistance
T
J
=25
ºC
T
J
=125
ºC
(Note 2)
Vrrm
Vrms
Vdc
If(av)
Ifsm
Vf
Ir
R(ja)
R(jl)
Tstg
0.6
45
70.0
23.0
-50 to +150
SB43-B
SB43
30
21
30
4.0
100.0
0.50
0.5
40
SB44-B
SB44
40
28
40
units
V
V
V
A
A
V
mA
ºC
/W
ºC
Storage and Operating Temperature Range
NOTES:
(1) Pulse test: 300
µ
s pulse width, 1% duty cycle
(2) Aluminum substrate mounted
1
1
Rev.1
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