SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 40 Volts CURRENT 1.0 Ampere
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Ideal for surface mounted applications
* Low leakage current
* Metallurgically bonded construction
* Mounting position: Any
* Weiht: 0.057 gram
* Epoxy: Device has UL flammability classification 94V-O
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
FM5817
THRU
FM5819
DO-214AC
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
Dimensions in inches and (millimeters)
2001-5
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 90
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
J
, T
STG
V
RMS
UNITS
20
Volts
Volts
Volts
Amps
14
28
40
1.0
25
80
110
Amps
0
C / W
0
C
30
21
Storage and Operating Temperature Range
R
J A
I
O
-65 to + 125
pF
20
30
40
FM5817
FM5818
FM5819
CHARACTERISTICS
Maximum Average Reverse Current at
Rated DC Blocking Voltage
V
F
SYMBOL
I
R
U N I T S
m A m p s
Volts
Maximum Forward Voltage at 3.1A DC
Maximum Forward Voltage at 1.0A DC
Volts
1.0
FM5817
FM5818
FM5819
.45
.55
.60
.75
V
F
.875
.90
10
@T
A
= 25
o
C
@T
A
= 100
o
C
0.012 (0.305)
0.006 (0.152)
0.008 (0.203)
0.004 (0.102)
0.209 (5.31)
0.185 (4.70)
0.035 (0.89)
0.059 (1.50)
0.067 (1.70)
0.091 (2.31)
0.160(4.06)
0.180(4.57)
0.086 (2.18)
0.110 (2.79)
0.067 (1.70)
0.051 (1.29)
MECHANICAL DATA
FIG. 1 -- TYPICAL FORWARD CURRENT
DERATING CURVE
AYERAGE FORWARD CURRENT, (A)
1.0
.75
.50
.25
0
0
20
40
60
80
100
120
140
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
AMBIENT TEMPERATURE, ( )
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
400
200
100
60
40
20
10
.1
.4
1.0
4
10
40
REVERSE VOLTAGE, (V)
TJ = 25
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
10
1.0
0.1
.01
.001
INSTANTANEOUS REVERSE CURRENT (mA)
TJ = 25
TJ = 75
TJ = 125
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
10
RATING AND CHARACTERISTIC CURVES ( FM5817 THRU FM5819 )
FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, (A)
30
25
20
15
10
5
0
NUMBER OF CYCLES AT 60HZ
1
2
5
10
20
50
100
8.3ms Single Half Sine-Wave
(JEDEC Method)
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARCTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
20
10
1.0
0.1
INSTANTANEOUS FORWARD VOLTAGE, (V)
.1
.3
.5
.7
.9
1.1
1.3
1.5
1.7
1.9
2.1
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
FM5817
FM5819
FM5818
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