SB840 THRU SB860
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 40 to 60 Volts
Forward Current - 8.0 Amperes
DO-201AD
FEATURES
*
*
*
*
*
Guardring for overvoltage protection
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 :
o
260 C / 10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
* Plastic package has Underwriters Laboratory
Flammability Classifications 94V-0
0.220(5.6)
0.190(4.8)
DIA.
0.375(9.5)
0.285(7.2)
1.0(25.4)
MIN.
1.0(25.4)
MIN.
MECHANICAL DATA
Case :
JEDEC DO-201AD Molded plastic body
Terminals :
Tin Plated, solderable per MIL-STD-750,
Method 2026
Polarity :
Color band denotes cathode end
Mounting Position :
Any
Weight :
0.04 ounce, 1.12 grams
0.052(1.3)
0.048(1.2)
DIA.
*Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature
unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length (SEE FIG.1)
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 8.0 A (NOTE 1)
Maximum instantaneous reverse
current at rated DC blocking voltage
Typical thermal resistance ( NOTE 3 )
Typical junction capacitance ( NOTE 2 )
o
SYMBOLS
V
RRM
V
RMS
V
DC
I
(AV)
SB840
40
28
40
SB850
50
35
50
SB860
60
42
60
UNITS
Volts
Volts
Volts
Amps
8.0
I
FSM
175
Amps
V
F
I
R
R
R
JA
JL
0.55
0.5
0.70
Volts
T
A
=25 C
T
A
=100 C
o
o
mA
50
25
8.0
550
-65 to +125
-65 to +150
o
C/W
pF
o
C
J
Operating junction temperature range
Storage temperature range
T
J
T
STG
C
C
o
NOTES : (1) Pule test : 300 us pulse width, 1% duty cycle
(2)
Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
(3) Thermal resistance junction to lead vertical P.C.B. mounted 0.375" (9.5mm) lead length
REV. 0
Zowie Technology Corporation
RATINGS AND CHARACTERISTIC CURVES OF SB840 THRU SB860
FIG.1 - FORWARD CURRENT DERATING CURVE
10
PEAK FORWARD SURGE CURRENT,
AMPERES
Resistive or
inductive load
0.375" (9.5mm)
lead length
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
200
175
150
125
100
75
50
25
0
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
8
6
4
2
0
0
25
50
75
100
o
125
150
1
10
NUMBER OF CYCLES AT 60Hz
100
LEAD TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
50.00
&
0
86
SB
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
100
0
8
SB
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE LEAKAGE
CURRENT, MILLIAMPERES
10.00
SB
50
84
10
T
J
= 125 C
o
o
Pulse width=300us
1% Duty Cycle
1
T
J
= 75 C
1.00
0.1
T
J
= 25 C
o
0.10
T
J
= 25 C
o
0.01
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.001
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE
4000
T
J
= 25 C
o
FIG.6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
100
TRANSIENT THERMAL IMPEDANCE( C/W)
o
JUNCTION CAPACITANCE, pF
10
1000
500
1
200
0
.1
.2
.4
1.0
2
4
10
20
40
100
0.1
0.01
0.10
1.0
t , PULSE DURATION, sec
10
100
REVERSE VOLTAGE, VOLTS
REV. 0
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