http://www.fujisemi.com
KS986S3
Low-Loss Fast Recovery Diode
Maximum Rating and Characteristics
Maximum ratings (at Ta=25˚C unless otherwise specified.)
Item
Repetitive peak reverse voltage
Average forward current
Non-repetitive surge current
Operating junction temperature
Storage temperature
Symbols
V
RRM
I
FAV
I
FSM
Tj
Tstg
Conditions
-
50Hz Square wave duty =1/2
Tc = 128˚C
Sine wave, 10ms 1shot
Ratings
300
5
90
-40 to +150
-40 to +150
FUJI Diode
Units
V
A
A
˚C
˚C
-
-
Electrical characteristics
Item
Forward voltage
Reverse current
Reverse recovery time
Thermal resistance
(at Ta=25˚C unless otherwise specified.)
Symbols
V
F
I
R
trr
Rth(j-c)
I
F
= 5 A
V
R
=V
RRM
I
F
= 0.1A, I
R
= 0.2A, Irec = 0.05A
Junction to case
Conditions
Maximum
1.3
20
40
3.5
Units
V
μA
μs
˚C/W
Mechanical characteristics
Item
Approximate mass
Conditions
-
Maximum
0.6
Units
g
1
KS986S3
Outline Drawings [mm]
http://www.fujisemi.com
FUJI Diode
3
2
KS986S3
Forward Characteristic (typ.)
http://www.fujisemi.com
FUJI Diode
Reverse Characteristic (typ.)
10
1
Tj=150°C
10
Tj=125°C
IF Forward Current (A)
Tj=150°C
Tj=125°C
Tj=100°C
Tj=25°C
1
IR Reverse Current (µA)
10
0
Tj=100°C
10
-1
Tj=25°C
0.1
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
10
-2
0
100
200
300
400
VF Forward Voltage (V)
VR Reverse Voltage (V)
Forward Power Dissipation (max.)
9
0.009
Reverse Power Dissipation (max.)
360°
8
0.008
360°
VR
I
0
7
λ
0.007
α
Forward Power Dissipation (W)
6
Square wave
λ
=60°
Square wave
λ
=120°
Reverse Power Dissipation (W)
0.006
5
Sine wave
λ
=180°
Square wave
λ
=180°
0.005
DC
4
DC
0.004
PR
3
0.003
WF
α
=180°
2
0.002
1
Per 1element
0
0
1
2
3
4
5
6
0.001
0.000
0
100
200
300
400
Io Average Forward Current (A)
VR
Reverse Voltage (V)
3
KS986S3
http://www.fujisemi.com
FUJI Diode
Current Derating (Io-Tc) (max.)
160
1000
Junction Capacitance Characteristic (typ.)
150
140
100
130
DC
Square wave
λ
=180°
Sine wave
λ
=180°
Square wave
λ
=120°
Tc
Square wave
λ
=60°
Cj
7
120
Junction Capacitance (pF)
10
1
1
10
100
1000
Case Temperature (°C)
110
100
0
1
2
3
4
5
6
IF(AV)
Average Forward Current (A)
λ
:Conduction angle of forward current for each rectifier element
VR
Reverse Voltage (V)
Surge Capability (max.)
1000
(A)
IFSM
Peak Half - Wave Current
100
10
1
1
10
100
Number of Cycles at 50Hz
4
KS986S3
http://www.fujisemi.com
FUJI Diode
Transient Thermal Impedance (max.)
10
2
Transient Thermal Impedance (°C/W)
10
1
Rth j-c:3.5°C/W
10
0
10
-1
10
-2
10
-1
10
0
10
1
10
2
10
3
t
Time (sec)
5
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