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Super Fast Rectifiers
Features
D
Very low switching losses
D
Glass passivated
D
Low reverse current
D
High reverse voltage
D
Hermetically sealed axial–leaded
glass envelope
SF1200/SF1600
Vishay Telefunken
Applications
Switched–mode power supplies
High–frequency inverter circuits
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage SF1200 V
=Repetitive peak reverse voltage
SF1600
=V
Peak forward surge current tp=10ms, half–sinewave I
Average forward current half–sinewave, VR=V
R
=45K/W, T
Max. pulse energy in avalanche
mode, non repetitive
thJA
I
=400mA,
(BR)R
indcutive load
amb
RRM
= 25°C
,
(inductive load switch off)
Junction and storage
Tj=T
temperature range
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction ambient lead length l= 10mm, TL = constant R
thJA
RRM
FSM
I
FAV
E
R
R
stg
94 9539
1200 V
1600 V
30 A
1 A
10 mJ
–55...+175
45 K/W
°
C
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=1A V
Reverse current VR=V
VR=V
RRM
, Tj=125°C I
RRM
Reverse breakdown voltage IR=100mA SF1200 V
SF1600 V
Reverse recovery time IF=0.5A, IR=1A, iR=0.25A t
Document Number 86059
Rev. 2, 24-Jun-98
F
I
R
R
(BR)R
(BR)R
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1250 V
1650 V
rr
3.4 V
5
m
50
m
75 ns
A
A
1 (3)
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SF1200/SF1600
Vishay Telefunken
Characteristics (Tj = 25_C unless otherwise specified)
700
600
500
400
300
200
100
R
P – Reverse Power Dissipation ( mW )
0
25 50 75 100 125 150 175
Tj – Junction Temperature ( °C )15787
145K/W
100K/W
45K/W
VR = V
RRM
SF1600
R
=
thJA
SF1200
Figure 1. Max. Reverse Power Dissipation vs.
Junction Temperature
1000
VR = V
RRM
m
100
VR=V
1.0
0.8
0.6
0.4
R
0.2
FAV
I – Average Forward Current ( A )
0
0 20 40 60 80 100 120 140 160 180
=100K/W
thJA
PCB: d=25mm
T
– Ambient Temperature ( °C )15789
amb
RRM
half sinewave
R
45K/W
thJA=
l=10mm
Figure 3. Max. Average Forward Current vs.
Ambient Temperature
100
10
Tj=175°C
Tj=25°C
1
10
R
I – Reverse Current ( A )
1
25 50 75 100 125 150 175
Tj – Junction Temperature ( °C )15786
Figure 2. Max. Reverse Current vs.
Junction Temperature
Dimensions in mm
Sintered Glass Case
SOD 57
Weight max. 0.5g
Cathode Identification
0.1
F
I – Forward Current ( A )
0.01
024681012
VF – Forward Voltage ( V )15788
Figure 4. Max. Forward Current vs. Forward Voltage
∅ 3.6 max.
technical drawings
according to DIN
specifications
94 9538
∅ 0.82 max.
26 min. 26 min.
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2 (3)
4.2 max.
Document Number 86059
Rev. 2, 24-Jun-98