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taSheet4U.com DATA SHEETSB4020PT~SB4060PT
aISOLATION SCHOTTKY BARRIER RECTIFIERS
.DVOLTAGE 20 to 60 Volts CURRENT
wwFEATURES
w • Plastic package has Underwriters Laboratory
40 Amperes
TO-3P
.640(16.25)
Unit: inch (mm)
.199(5.05)
Flammability Classification 94V-O.
Flame Retardant Epoxy Molding Compound.
• Exceeds environmental standards of MIL-S-19500/228
• Low power loss, high efficiency.
m• Low forwrd voltge, high current capability
• High surge capacity.
o• For use in low voltage,high frequency inverters
.cfree wheeling , and polarlity protection applications.
• Both normal and Pb free product are available :
Normal : 80~95% Sn, 5~20% Pb
Pb free: 99% Sn above can meet Rohs environment substance directive request
t4UMECHANCALDATA
Case: TO-3P Molded plastic
eTerminals: Solder plated, solderable per MIL-STD-202G, Method 208
Polarity: As marked.
eStandard packaging: Any
hWeight: 0.2 ounces, 5.6grams.
.142(3.6)
.125(3.2)
.620(15.75)
.175(4.45)
.126(3.2)
.110(2.8)
.050(1.25)
.045(1.15)
.225(5.7)
.204(5.2)
.095(2.4)
.225(5.7)
.204(5.2)
AC
Positive CT
AC
.030(0.75)
.017(0.45)
SMAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
taFor capacitive load, derate current by 20%
aPARAMETER
SYMBOL
SB40
20PT
SB40
30PT
SB40
35PT
SB40
40PT
SB40
45PT
SB40
50PT
SB40
60PT
UNITS
.DMaximum Recurrent Peak Reverse Voltage
V RRM
20
30
35
40
45
50
60
V
Maximum RMS Voltage
V RMS
14
21 24.5 28 31.5 35
42
V
wMaximum DC Blocking Voltage
VDC 20 30 35 40 45 50 60 V
wMaximum Average Forward Current .375”(9.5mm) lead
length a t Tc =100
IAV
40 A
Peak Forward Surge Current :8.3ms single half sine-
wwave superimposed on rated load (JEDEC method)
IFSM
350
A
mMaximum Forward Voltage at 20A
VF 0.55
0.70 V
.coMaximum DC Reverse Current TA=25
Uat Rated DC Blocking Voltage TA=100
IR
1.0
100
mA
t4Maximum Thermal Resistance
RΘJC
/W
eeOperating Junction and Storage Temperature Range TJ,TSTG
ataShNote.
.DBoth Bonding and Chip structure are available.
wwwSTAD-JAN.10.2005
PAGE . 1

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RATING AND CHARACTERISTIC CURVES
50
40
30
20
10
0
0
50 100
CASE TEMPERATURE, OC
150
Fig.1- FORWARD CURRENT DERATING CURVE
10
TJ=100 OC
1.0
TJ=75 OC
0.1
0.01
TJ=25 OC
0.001
20 40
60 80 100 120 140
PERCENT OF INSTANTANEOUS REVERSE VOLTAGE, %
Fig.3- TYPICAL REVERSE CHARACTERISTICS
480
420
360
300
240
180
120
60
0
1
8.3ms Single
Half Since-Wave
JEDEC Method
2
5 10 20
50
NO. OF CYCLE AT 60Hz
100
Fig.2- MAXIMUM NON - REPETITIVE SURGE
CURRENT
40 20~45V 50,60V
10
8
6
4
2
1.0
.8
.6
.4
TJ = 25OC
.2 Pulse Width = 300 us
1% Duty Cycle
.1
.2 .3 .4 .5 .6 .7 .8 .9
FORWARD VOLTAGE, VOLTS
Fig.4- TYPICAL INSTANTANEOUS FORWARD
CHRACTERISTICS
STAD-JAN.10.2005
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