SM5817 THRU SM5819
Features
Mechanical Data
· The plastic package carries Underwrites Laboratory
Flammability Classification 94V-0
· For surface mounted applications
· Glass passivated junction
· High temperature soldering guaranteed: 250℃/10
seconds, at terminals
Maximum Ratings And Electrical Characteristics
· Case : JEDEC MELF(DO-41) molded plastic body
· Terminals : Lead solderable per MIL-STD-750,
method 2026
· Polarity : Color band denotes cathode end
· Mounting Position : Any
· Weight : 0.0041 ounce, 0.116 gram
(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive
load. For capacitive load, derate by 20%)
Notes:
(1) Measured at 1MHz and applied reverse voltage of 4.0V DC.
(2) Thermal resistance from junction to ambient
CURRENT 1.0 Ampere
VOLTAGE 20 to 40 Volts
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Volts
Peak forward surge current 8.3ms half sine
wave superimposed on rated load
(JEDEC method)
V
DC
Maximum average forward rectified current
at T
L
=90℃
Maximum instantaneous forward voltage at 1.0A
V
RRM
20 Volts
Symbols SM5817 Units
0.550V
F
Volts
Maximum instantaneous forward voltage at 3.0A 0.875
0.450
0.750
0.600
0.900V
F
V
RMS
1.0
AmpsI
FSM
T
J
T
STG
10.0
-55 to +125
-55 to +150 ℃
Volts
Amp
Maximum DC reverse current
at rated DC blocking voltage
Typical thermal resistance
Typical junction capacitance (Note 1)
Operating and storage temperature range
14
20
30
SM5818
21
30
40
SM5819
28
40
70110
Volts
μA
℃/W
pF
I
(AV)
I
R
C
J
Rθ
JA
T
A
=25℃
T
A
=100℃
80.0
1.0
25.0
(Note 2)
Dimensions in inches and (millimeters)
MELF (DO-41)
0.205(5.20)
0.190(4.80)
0.024(0.60)
0.018(0.46)
SOLDERABLE ENDS
0.105(2.70)
0.095(2.40)
RATINGS AND CHARACTERISTIC CURVES SM5817-SM5819
FIG . 1 - MAXIMUM FORWARD CURRENT DERATING CURVE FIG . 2 - TYPICAL JUNCTION CAPACITANCE
0 20 40 60 80 100 120 140
1.0
.75
.50
.25
0
AVERAGE FORWARD CURRENT . ( A )
O
LEAD TEMPERATURE . ( C )
.1 .4 1.0 4 10 40 80 100
400
200
100
80
60
40
20
10
REVERSE VOLTAGE . ( V )
JUNCTION CAPACITANCE . ( pF )
O
Tj = 25 C
FIG . 4 - MAXIMUM NON- REPETITIVE FORWARD
SUGE CURRENT
30
25
20
15
10
5
0
1 2 5 10 20 50 1 00
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT . ( A )
20
10
1.0
0.1
.1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1
FORWARD VOLTAGE . ( V )
INSTANTANEOUS FORWARD CURRENT . ( A )
SM5818-SM5819
SM5817
O
Tj = 25 C
Pulse Width = 300 s
1% Duty Cycle
8.3ms Single Half Sine Wave
JEDEC Method
FIG.3-TYPICAL FORWARDCHARACTERISTICS
