SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 40 Volts CURRENT 1.0 Ampere
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SM5817
THRU
SM5819
MAXIMUM RATINGS
(@ TA=25
OC unless otherwise noted)
ELECTRICAL CHARACTERISTICS
(@TA=25
OC unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current at
TA= 90OC
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 1)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps
1.0
25
110
Amps
0
C
Storage Temperature Range
I
O
150
pF
Operating Temperature Range T
J
SM5817 SM5818 SM5819
SM5817 SM5818 SM5819
20 30 40
14 21 28
20 30 40
-55 to + 150
0
C
NOTES : 1. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
2007-5
CHARACTERISTICS
Maximum Average Reverse Current
at Rated DC Blocking Voltage
V
F
SYMBOL
I
R
mAmps
Maximum Instantaneous Forward Voltage at 1.0A DC Volts
Volts
0.2
10
@T
A
= 25
o
C
@T
A
= 100
o
C
.45 .55 .60
V
F
Maximum Instantaneous Forward Voltage at 3.1A DC .75 .875 .90
mAmps
UNITS
2.
“Fully ROHS compliant”, “100% Sn plating (Pb-free)”.
MELF
Dimensions in inches and (millimeters)
.205 ( 5.2 )
.190 ( 4.8 )
.024 ( 0.6 )
.016 ( 0.4 )
.106 ( 2.7 )
.095 ( 2.4 )
SOLDERABLE
ENDS
FEATURES
* Ideal for surface mounted applications
* Low leakage current
* Metallurgically bonded construction
* Mounting position: Any
* Weight: 0.015 gram
* Epoxy : Device has UL flammability classification 94V-0
MECHANICA
DISCONTINUED-
L DATA
"This series is replaced by the FM581X series that meets to the same
fit and function parameters and share the same solder pad layout.
The FM581X series is preferred for error-free vacuum pick-up and
PCB assembly.＂
Discontinued
INSTANTANEOUS FORWARD VOLTAGE, (V)
PERCENT RATED PEAK REVERSE VOLTAGE, (%)
INSTANTANEOUS FORWARD CURRENT, (A)
AMBIENT TEMPERATURE, (OC)
0.1
0.1
1.0
10
20
AVERAGE FORWARD CURRENT, (A)
CT, TOTAL CAPACITANCE, (pF)
0
0.25
0.50
0.75
1.00
1.7 1.91.30.50.3 0.90.7 1.1 1.5 2.1
1751501251007550250
0 20
0.001
0.1
0.01
1.0
10
100
100 12040 60 80 140
RATING AND CHARACTERISTICS CURVES ( SM5817 THRU SM5819 )
FIG.3 TYPICAL REVERSE CHARACTERISTICS
FIG.1 TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.2 TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
REVERSE VOLTAGE, (V)
INSTANTANEOUS REVERSE CURRENT, (mA)
0.1
10
100
80
60
40
20
200
400
10 400.4 41.0 80
FIG.4 TYPICAL JUNCTION CAPACITANCE
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT, (A)
1
0
20
10
30
50
40
862 4 10 20 40 80 100
FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
Single
Half Wave 60HZ
Resistive or
Inductive Load
T
J
= 25 OC
Pulse Width = 300mS
1% Duty Cycle
SM5817
SM5818
SM5819
T
J
= 25 OC
8.3mS Single Half Sine-Wave
JEDEC Method
T
A
= 125 OC
T
A
= 75 OC
T
A
= 25 OC
Mounting Pad Layout
Dimensions in inches and (millimeters)
.100 (2.54)
.200 (5.08)
.300 (7.62)
.100 (2.54)
.100 (2.54) F-SLOT WIDTH
OPTIMUM PAD SIZE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi-
lity for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" paramet-
ers which may be included on RECTRON data sheets and/ or specifications ca-
n and do vary in different applications and actual performance may vary over ti-
me. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other rela-
ted applications where a failure or malfunction of component or circuitry may di-
rectly or indirectly cause injury or threaten a life without expressed written appr-
oval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rect-
ron Inc and its subsidiaries harmless against all claims, damages and expendit-
ures.
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