C&H Technology 12FR10 - Manual (Page 5)

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4 Revision: 29-Sep-08
12F(R) Series
Vishay High Power Products Standard Recovery Diodes
(Stud Version), 12 A
Fig. 4 - Forward Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 7 - Forward Voltage Drop Characteristics
Fig. 8 - Thermal Impedance Z
thJC
Characteristics
0 25 50 75 100
Maximum Allowable Ambient Temperature (°C)
R
= 6
K/W
- D
elta
R
thS
A
8 K/W
10 K
/W
12 K/W
15 K
/W
20 K/W
30 K/W
0
4
8
12
16
20
0 4 8 12 16 20
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RMS Limit
M
a
x
im
u
m
A
v
e
rag
e
F
o
rw
a
rd
P
o
w
e
r Lo
s
s
(W
)
Conduction Period
12F(R) Series
T = 175°C
J
100
125
150
175
200
225
250
1 10 100
P
e
a
k
H
a
lf
S
in
e
W
a
v
e
F
o
rw
a
rd
C
u
rr
e
n
t (
A
)
Number Of Equal Amplitude Half Cycle Current Pulses (N)
12F(R) Series
Initial T = 175°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
100
125
150
175
200
225
250
275
0.01 0.1 1
P
e
a
k
Ha
lf
S
in
e
W
a
v
e
F
o
rw
a
rd
C
u
rr
en
t (
A
)
Pulse Train Duration (s)
12F(R) Series
Initial T = 175°C
No Voltage Reapplied
Rated V Reapplied
RRM
J
Versus Pulse Train Duration.
Maximum Non Repetitive Surge Current
1
10
100
1000
0 1 2 3 4 5 6
T = 25°C
J
In
s
ta
n
ta
n
e
o
u
s
F
o
rw
a
rd
C
u
rr
e
n
t (A
)
Instantaneous Forward Voltage (V)
12F(R) Series
T = 175°C
J
0.1
1
10
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
th
JC
Tr
a
n
s
ie
n
t
The
rm
a
l I
m
p
e
da
nc
e
Z
(K
/W
)
12F(R) Series
Steady State Value
R = 2.0 K/W
(DC Operation)
thJC