FEATURES
● Glass passivated chip
● For surface mounted applications
● Low reverse leakage current
● Low forward voltage drop
● High current capability
● Plastic material has UL flammability
classification 94V-0
MECHANICAL DATA
●Case： Molded Plastic
●Polarity:Color band denotes cathode
●Weight: 0.003 ounces,0.093 grams
●Mounting position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS SYMBOL S3AB S3BB S3DB S3GB S3JB S3KB S3MB UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V
Maximum Average Forward
Rectified Current @TL=75 ℃
Peak Forward Surge Current
8.3ms Single Half Sine-Wave
Super Imposed On Rated Load (JEDEC Method)
Maximum Forward Voltage at 3.0A DC VFV
Maximum DC Reverse Current @TJ=25℃
at Rated DC Blocking Voltage @TJ=100℃
Typical Junction Capacitance (Note1) CJpF
Typical Thermal Resistance (Note2) RθJL ℃/W
Typical Thermal Resistance (Note3) RθJA ℃/W
Operating Temperature Range TJ℃
Storage Temperature Range TSTG ℃
~ 33 ~
IR250
5.0
40
10
-55 to +150
3.Thermal resistance junction to ambient.
-55 to +150
NOTES:1.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC.
2.Thermal resistance junction to lead.
uA
1.2
REVERSE VOLTAGE - 50 to 1000Volts
POWER DISSIPATION - 3.0 Amperes
50
S3AB thru S3MB
IFSM A
I(AV) 3.0 A
200
SURFACE MOUNT
GLASS PASSIVATED RECTIFIERS
SMB
.030(0.76)
.060(1.52)
.096(2.44)
.084(2.13)
.200(5.08)
.220(5.59) .008(.203)
.002(.051)
.006(.152)
.012(.305)
.160(4.06)
.185(4.70)
.130(3.30)
.155(3.94)
.083(2.11)
.075(1.91)
RATING AND CHARACTERISTIC CURVES
S3AB thru S3MB
~ 34 ~
FIG. 1 - FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
LEAD TEMPERATURE ℃
25 50 75 100 125 150 175
5.0
4.0
3.0
2.0
1.0
0
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG.2 - MAXIMUM NON-REPETITIVE
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
NUMBER OF CYCLES AT 60Hz
PULSE WIDTH 8.3ms
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
1
2
5
10
20
50 100
120
40
0
80
160
200
FIG.4-TYPICAL REVERSE CHARACTERISTICS
PERCENT RATED PEAK REVERSE VOLTAGE,(%)
INSTANTANEOUS REVERSE CURRENT, (uA )
1000
100
10
1.0
0.1
0.01 0 20 40 60
80
100
120 140
TJ=125℃
TJ=25℃
FIG.3-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURENT,(A)
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
TJ=25℃
PULSE WIDTH 300US
10
1.0
0.1
0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
