Document
SM5817A THRU SM5819A
1.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
FEATURES
* Ideal for surface mount applications * Easy pick and place * Built-in strain relief * Low forward voltage drop
MECHANICAL DATA
* Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Metallurgically bonded construction * Polarity: Color band denotes cathode end * Mounting position: Any
VOLTAGE RANGE
20 to 40 Volts
CURRENT
1.0 Ampere
DO-214AC(SMA)
.058(1.47) .052(1.32)
.087(2.20) .071(1.80) .060(1.52) .030(0.76)
.177(4.50) .157(3.99)
.110(2.79) .100(2.54)
.012(0.31) .006(0.15)
(..010257)MAX. .205(5.20) .189(4.80)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current
at Ta=90 C Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage Typical Junction Capacitance (Note1) Typical Thermal Resistance R JA (Note 2) Operating Temperature Range TJ Storage Temperature Range TSTG
NOTES:
Ta=100 C
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Ambient.
SM5817A 20 14 20
0.45
SM5818A 30 21 30
1.0
25 0.55 0.5
10 110 80 -65 +150 -65 +150
SM5819A 40 28 40
0.60
UNITS V V V
A
A V mA mA pF C/W C C
396
INSTANTANEOUS FORWARD CURRENT,(A)
SM5817A SM5818A~SM5819A
RATING AND CHARACTERISTIC CURVES (SM5817A THRU SM5819A)
FIG.1-TYPICAL FORWARD CHARACTERISTICS
50
10 3.0 1.0
0.1
Tj=25 C
Pulse Width 300us 1% Duty Cycle
.01 .1
.3 .5 .7 .9 1.1 1.3 1.5
FORWARD VOLTAGE,(V)
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS 100
AVERAGE FORWARD CURRENT,(A)
PEAK FORWAARD SURGE CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
1.2
1.0
0.8 0.6 Single Phase
Half Wave 60Hz Resistive Or Inductive Load 0.4
0.2
0 0 20 40 60 80 100 120 140 160 180 200
AMBIENT TEMPERATURE ( C)
FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
25
20
15
Tj=25 C
8.3ms Single Half
10 Sine Wave
JEDEC method
5
0
1
5 10
50 100
NUMBER OF CYCLES AT 60Hz
10
Tj=100 C
1.0
.1
Tj=25 C
.01 0 20 40 60 80 100 120 140
PERCENTAGE RATED PEAK REVERSE VOLTAGE
JUNCTION CAPACITANCE,(pF)
350 300 250 200 150 100
50 0 .01
FIG.5-TYPICAL JUNCTION CAPACITANCE
.05 .1
.5 1
5 10
REVERSE VOLTAGE,(V)
50 100
REVERSE LEAKAGE CURRENT, (mA)
397
.