2001 Fairchild Semiconductor Corporation
FFAF
1
0U
1
70S
Rev. A, June 2001
DAMPER DIODE
Absolute Maximum Ratings
T
C
=25
C unless otherwise noted
Thermal Characteristics
Electrical Characteristics
T
C
=25
C unless otherwise noted
* Pulse Test: Pulse Width=300
s, Duty Cycle
=
2%
Symbol
Parameter
Value
Units
V
RRM
Peak Repetitive Reverse Voltage
1700
V
I
F(AV)
Average Rectified Forward Current @ T
C
= 125
C
10
A
I
FSM
Non-repetitive Peak Surge Current
60Hz Single Half-Sine Wave
100
A
T
J,
T
STG
Operating Junction and Storage Temperature
- 65 to +150
C
Symbol
Parameter
Value
Units
R
JC
Maximum Thermal Resistance, Junction to Case
1.5
C/W
Symbol
Parameter
Min.
Typ.
Max.
Units
V
FM
*
Maximum Instantaneous Forward Voltage
I
F
= 10A
I
F
= 10A
T
C
= 25
C
T
C
= 125
C
-
-
-
-
2.2
2.0
V
I
RM
*
Maximum Instantaneous Reverse Current
@ rated V
R
T
C
= 25
C
T
C
= 125
C
-
-
-
-
0.1
10
mA
t
rr
Maximum Reverse Recovery Time
(I
F
=1A, di/dt = 50A/
s)
-
-
140
ns
t
fr
Maximum Forward Recovery Time
(I
F
=6.5A, di/dt = 50A/
s)
-
-
400
ns
V
FRM
Maximum Forward Recovery Voltage
-
-
13
V
FFAF10U170S
TO-3PF
1 2
1. Cathode 2. Anode
Applications
Suitable for damper diode in horizontal
deflection circuits
Features
High voltage and high reliability
High speed switching
Low forward voltage
2001 Fairchild Semiconductor Corporation
Rev. A, June 2001
FFAF
1
0U
1
70S
Typical Characteristics
Typical Characteristics
Figure 1. Typical Forward Voltage Drop
vs. Forward Current
Figure 3. Typical Junction Capacitance
Figure 5. Typical Stored Charge
vs. Forward Current
Figure 2. Typical Reverse Current
vs. Reverse Voltage
Figure 4. Typical Reverse Recovery Time
vs. Forward Current
Figure 6. Forward Current Derating Curve
0.1
1
10
100
0
1
2
3
4
5
T
J
= 25
o
C
T
J
= 125
o
C
Forward Voltage , V
F
[V]
Fo
rw
a
r
d C
u
rren
t
,
I
F
[A
]
0.1
1
10
100
0
40
80
120
160
200
Typical Capacitance
at 0V = 174 pF
C
a
p
a
c
i
ta
nc
e
, C
j
[p
F]
Reverse Voltage , V
R
[V]
1
2
3
4
5
6
7
8
9
10
0
300
600
900
1200
1500
di/dt = 100A/
s
di/dt = 50A/
s
St
or
ed Rec
o
v
e
r
y
C
h
a
r
ge
,
Q
rr
[n
C
]
Forward Current , I
F
[A]
0
300
600
900
1200
1500
0.001
0.1
1
10
100
1000
10000
1700
T
J
= 100
o
C
T
J
= 125
o
C
T
J
= 25
o
C
Rev
e
r
s
e
Cu
r
r
en
t
,
I
R
[
A]
Reverse Voltage , V
R
[V]
1
2
3
4
5
6
7
8
9
10
0
100
200
300
di/dt = 100A/
s
di/dt = 50A/
s
Rev
e
r
s
e
Rec
o
v
e
r
y
T
i
me ,
t
rr
[n
s
]
Forward Current , I
F
[A]
80
100
120
140
160
0
2
4
6
8
10
12
DC
A
v
e
r
a
g
e
F
o
r
w
ar
d C
u
r
r
ent
,
I
F(
AV)
[A
]
Case Temperature , T
C
[
o
C]
2001 Fairchild Semiconductor Corporation
Rev. H3
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
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DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR
CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, or (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or In
Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed
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This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
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Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
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