Fast Silicon Mesa Rectifiers
Features
D
Glass passivated junction
D
Hermetically sealed package
D
Soft recovery characteristics
D
Low reverse current
D
Low forward voltage drop
D
High pulse current capability
1N5417.1N5418
Vishay Telefunken
Applications
Fast rectifiers in S.M.P.S
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage 1N5417 V
=Repetitive peak reverse voltage
1N5418
=V
Peak forward surge current tp=10ms, single half sine wave I
Average forward current T
Junction and storage
=45°C I
amb
Tj=T
temperature range
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction ambient l=10mm, TL=constant R
on PC board with spacing 37.5mm R
thJA
thJA
94 9588
R
RRM
FSM
FAV
–65...+175°C
stg
25 K/W
70 K/W
200 V
400 V
100 A
3 A
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=3A V
IF=9A V
Reverse current VR=V
VR=V
RRM
, Tj=100°C I
RRM
Reverse recovery time IF=0.5A, IR=1A, iR=0.25A t
Document Number 86001
Rev. 2, 24-Jun-98
F
F
I
R
R
rr
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1.1 V
1.5 V
1
m
20
m
75 100 ns
1 (4)
A
A
1N5417.1N5418
Vishay Telefunken
Characteristics (Tj = 25_C unless otherwise specified)
40
30
thJA
R – Therm. Resist. Junction / Ambient ( K/W )
94 9466
20
10
0
0 5 10 15 25
l – Lead Length ( mm )
ll
TL=constant
20
30
Figure 1. Max. Thermal Resistance vs. Lead Length
2.0
1.6
1.2
0.8
fv20kHz
0.4
FAV
I – Average Forward Current ( A )
R
=70K/W
thJA
PCB
0
0
40 80 120 160
T
– Ambient Temperature ( °C )94 9468
amb
200
Figure 2. Max. Average Forward Current vs.
Ambient Temperature
1000
Scattering Limit
100
m
10
1
R
I – Reverse Current ( A )
VR=V
RRM
200
94 9469
0.1
0 40 80 120 160
T
– Junction Temperature ( °C )
j
Figure 4. Reverse Current vs. Junction Temperature
100
Tj=175°C
Tj=25°C
0 0.6 1.2 1.8 2.4
VF – Forward Voltage ( V )
3.0
F
I – Forward Current ( A )
94 9472
10
1
0.1
0.01
Figure 5. Max. Forward Current vs. Forward Voltage
4
3
2
fv20kHz
1
R
=25K/W
FAV
I – Average Forward Current ( A )
thJA
L=10mm
0
0
40 80 120 160
T
– Ambient Temperature ( °C )94 9471
amb
Figure 3. Max. Average Forward Current vs.
Ambient Temperature
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2 (4)
200
Document Number 86001
Rev. 2, 24-Jun-98