SEMTECH_ELEC 1N5818

1N5817 THRU 1N5819
SCHOTTKY BARRIER RECTIFIERS
Features
• Metal silicon junction, majority carrier conduction
• Guarding for overvoltage protection
• Low power loss, high efficiency
• High current capability
• low forward voltage drop
• High surge capability
• For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
Mechanical Data
• Case: Molded plastic, DO-41
Dimensions in mm
Maximum Ratings and Electrical Characteristics
Ratings at 25 OC ambient temperature unless otherwise specified.
Parameter
Symbols
1N5817
1N5818
1N5819
Units
Maximum Repetitive Peak Reverse Voltage
VRRM
20
30
40
V
Maximum RMS voltage
VRMS
14
21
28
V
Maximum DC Blocking Voltage
VDC
20
30
40
V
Maximum Average Forward Rectified Current
0.375" (9.5 mm) Lead Length at TL = 90 OC
I(AV)
1
A
Peak Forward Surge Current, 8.3ms Single Half Sine-wave
Superimposed On Rated Load (JEDEC method) at TL = 70 OC
IFSM
25
A
Maximum Instantaneous Forward Voltage at 1 A
Maximum Instantaneous Forward Voltage at 3.1 A
Maximum Instantaneous Reverse Current at
Rated DC Reverse Voltage
VF
TA = 25 OC
TA = 100 OC
IR
0.55
0.875
50
15
CJ
110
Tj ,Tstg
- 65 to + 125
Typical Junction Capacitance
0.6
0.9
V
1
10
RθJL
RθJA
Typical Thermal Resistance
Storage and Operating Junction Temperature Range
0.45
0.75
mA
O
C/W
pF
O
C
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 11/11/2008
1N5817 THRU 1N5819
AVERAGE FORWARD CURRENT
AMPERES
1
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm)
LEAD LENGTH
0.75
0.5
0.25
0
0
20
60
40
80
100
120
140
PEAK FORWARD SURGE CURRENT
AMPERES
Fig.2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
FIG.1-FORWARD CURRENT DERATING CURVE
30
TJ =TJ max.
8.3ms SINGLE HALF
SINE-WAVE
(JEDEC Method)
25
20
15
10
5
0
1
10
100
NUMBER OF CYCLES AT 60 Hz
o
LEAD TEMPERATURE, ( C)
Fig.4- TYPICAL REVERSE CHARACTERISTICS
Fig.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
INSTANTANEOUS FORWARD CURRENT
AMPERES
100
50
10
o
Tj=125 C
Pulse Width=300 S
1% Duty Cycle
1
o
Tj=25 C
0.1
0.01
0
0.2 0.4
0.6
0.8
1.0 1.2 1.4
1.6
10
TJ =125 oC
1
0
o
TJ =75 C
0.01
o
TJ =25 C
0.001
0
INSTANTANEOUS FORWARD VOLTAGE
VOLTS
TRANSIENT THERMAL IMPEDANCE, C/W
JUNCTION CAPACITANCE,pF
o
400
o
10
Tj=25 C
f=1.0MHz
Vsig=50mVp-p
0.1
1
10
40
60
100
80
Fig.6- TYPICAL TRANSIENT THERMAL IMPEDANCE
Fig.5- TYPICAL JUNCTION CAPACITANCE
100
20
PERCENT OF RATED PEAK REVERSE
VOLTAGE,%
100
100
10
1
0.1
0.01
REVERSE VOLTAGE, VOLTS
0.1
1
10
100
t, PULSE DURATION,sec.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 11/11/2008