MELF Silicon Rectifier
SM4001 THRU SM4007
Glass passivated type
Features
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing Flame
Retardant Epoxy Molding Compound.
For surface mounted applications.
Exceeds environmental standards of MIL-S-19500 /
228
Low leakage current.
Mechanical data
Case : Molded plastic, SMA (MELF)
Terminals : Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity : Indicated by c athode band
Mounting Position : Any
Weight : 0.015 gram
(V) (V) (V) (V) (oC)
SM4001 -50 35 50
SM4002 -100 70 100
SM4003 -200 140 200
SM4004 -400 280 400
SM4005 -600 420 600
SM4006 -800 560 800
SM4007 -1000 700 1000
SYMBOLS MARKING
CODE
1.1 -55 to +175
Operating
temperature
VRRM
*1 VRMS
*2 VR
*3 VF
*4
MAXIMUM RATINGS (AT TA=25oC unless otherwise noted)
PARAMETER CONDITIONS Symbol MIN. TYP. MAX. UNIT
Forward rectified current See Fig.2 IO1.0 A
Forward surge current 8.3ms single half sine-wave superimposed on
rate load (JEDEC methode) IFSM 30 A
VR = VRRM TA = 25oC5.0 uA
VR = VRRM TA = 100oC50 uA
Thermal resistance Junction to ambient RqJA 50 oC / w
Diode junction capacitance f=1MHz and applied 4vDC reverse voltage CJ15 pF
Storage temperature TSTG -55 +175 oC
Reverse current IR
*1 Repetitive peak reverse voltage
*2 RMS voltage
*3 Continuous reverse voltage
*4 Maximum forward voltage
Formosa MS
Dimensions in inches and (millimeters)
SM-1
.105(2.7)
.095(2.4)
.205(5.2)
.190(4.8) .024(.60)
.018(.46)
SOLDERABLE
ENDS
.1
1.0
10
100
RATING AND CHARACTERISTIC CURVES (SM4001 THRU SM4007)
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
REVERSE LEAKAGE CURRENT, (mA)
PERCENTAGE RATED PEAK REVERSE VOLTAGE
0 20 40 60 80 100 120 140
.01
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
Tj=100 C
Tj=25 C
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
0.2
0
0.4
0.6
0.8
1.0
1.2
AMBIENT TEMPERATURE ( C)
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.1
1.0
.01
10
50
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,(A)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
.6 .7 .8 .9 1.0 1.1 1.2 1.3
3.0
Tj=25 C
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
JUNCTION CAPACITANCE,(pF)
35
30
25
20
15
10
5
0 .01 .05 .1 .5 1 5 10 50 100
PEAK FORWAARD SURGE CURRENT,(A)
10
0
20
30
40
50
NUMBER OF CYCLES AT 60Hz
1 10 5 50 100
Tj=25 C 8.3ms Single Half
Sine Wave
JEDEC method
0 20 40 60 80 100 120 140 160 180 200
