CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 - 40 Volts CURRENT 0.5 Ampere
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* For surface mounted applications
* Low profile package
* Built-in strain relief
* Metal silicon junction, majority carrier conduction
* Low power loss, high efficiency
* High current capability, low forward voltage drop
* Power dissipation: 410mW
* For use in low voltage high frequency inverters, free
wheeling, and polarity protection applications
* High temperature soldering guaranteed :
260
o
C/10 seconds at terminals
SSM5817SLPT
THRU
SSM5819SLPT
SOD-123
0.028(0.70)
0.020(0.50)
1
0.152(3.85)
0.140(3.55)
0.112(2.85)
0.100(2.55)
2
MECHANICAL DATA
Case:
JEDEC SOD-123 molded plastic
Terminals:
Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Weight:
0.001 ounce 0.032 gram
0.071(1.80)
0.055(1.40)
0.053(1.35)
0.01(0.25)
MIX..
0.004(0.10)
0.000(0.00)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 H
Z
, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
SOD-123
UNITS
Volts
Volts
Volts
Amps
Amps
pF
o
MAXIMUM RATINGES
( At T
A
= 25
o
C unless otherwise noted )
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current at T
L
= 100 C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typic Junction Capacitance (Note 2)
Typical Thermal Resistance (Note 1)
Storage and Operating Temperature Range
Voltage Rate of Change (Note 3)
o
o
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
R
JL
SSM5817SLPT
20
14
20
SSM5818SLPT
30
21
30
0.5
5.5
170
240
-65 to +125
1000
SSM5819SLPT
40
28
40
T
J
, T
STG
di/dt
0.037(0.95)
MAX.
0.006(0.15)
C/W
o
C
V/uSec
ELECTRICAL CHARACTERISTICS
( At T
A
= 25 C unless otherwise noted )
CHARACTERISTICS
Maximum Instantaneous Forward Voltage
at I
F
=0.5A
Maximum Average Reverse Current
at Ratied DC Blocking Voltage
@ T
A
= 25 C
@ T
A
= 100 C
@ T
A
= 25 C
I
R
@ T
A
= 100
o
C
13
11
8
mAmps
2002-5
o
o
o
SYMBOL
V
F
SSM5817SLPT
0.385
0.330
250
SSM5818SLPT
0.430
0.380
130
SSM5819SLPT
0.510
0.460
20
UNITS
Volts
Volts
uAmps
NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.06 X 0.06" ( 0.15X 0.15mm ) copper pad area.
2. Measured at 1.0 MH
Z
and applied reverse voltage of 0 volt.
3. dv/dt measured at rated reverse voltage.
RATING CHARACTERISTIC CURVES ( SSM5817SLPT THRU SSM5819SLPT )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
.5
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD
CHARCTERISTICS
2.0
SSM5817SLPT
INSTANTANEOUS FORWARD CURRENT, ( A )
1.0
SSM5819SLPT
.4
.2
Single
Half Wave 60H
Z
Resistive or
Inductive Load
.1
SSM5818SLPT
.1
T
J
=125
o
C
Pulse Width = 300us
1% Duty Cycle
0
0
20
40
60
80
100
o
120
140
.01
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
LEAD TEMPERATURE, ( C )
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS REVERSE CURRENT, (mA)
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
6
PEAK FORWARD SURGE CURRENT, (A)
10
T
J
= 100
o
C
5
8.3 ms Single Half Sine-Wave
(JEDEC Method)
4
1.0
3
.10
T
J
= 25
o
C
2
.01
SSM5817SLPT
SSM5818SLPT
SSM5819SLPT
1
.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60H
Z
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
400
JUNCTION CAPACITANCE, (pF)
200
T
J
= 25 C
o
100
60
40
20
10
0
.4
1.0
4
10
REVERSE VOLTAGE, (V)
40
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