st
High
ecovery
Speed
Its
The
A397
400
ampere,
for use
necessity. These diodes provide a superior combination
voltage capability and
applications as:
FEATURES:
..
..
..
..
..
series is General Electric's highly reliable, all-diffused, Press-Pak,
fast recovery, silicon rectifier diode. These diodes are designed
in
high frequency applications
soft
..
Inverter
..
Free Wheeling Diode
..
High
Frequency
..
Low EMl Power Supplies
Published
Soft
All-Diffused
Package Reversibility
Rugged Glazed Ceramic
Current
Recovery With
Ratings Up
Low
recovery, which
Feedback
To
Recovery
Hermetic
or
where a fast recovery diode
Diode
Rectification
20,000
Package
Hz
Charge
is
required in such
Rectifi
of
speed, blocking
demanding
r
is
A397
a
I
Peak
Forward
Peak
One-Cycle Surge
Minimum
Thermal
Storage
Operating
Mounting
Temperature,
TYPES
A397A
A397B
A397C
A397D
A397E
A397M
A397S
A397N
A~97T
A397P
A397PA
A397PB
A397PC
A397PD
A397PE
Current,
MAXIMUM
REPETITIVE
REVERSE
= -40°C
T J
IFM
(Tc
(Non-Repetitive),
ALLOWABLE
VOLTAGE
VR
RM
to
100
Volts
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
= +65°C,
PEAI(
I
+125°C
Half
Forward
RATINGS
NON-REPETITIVE2
PEAl<
VOLTAGE,VRSM
T
=
25°C
J
200
300
400
500
600
720
840
950
1075
1200
1300
1400
1520
1600
1700
Sine
Wave
Pulse Width =
Current,
I
REVERSE
Volts
FSM
P t Rating (See Curve 11), t > 1 msec. (Non-Repetitive)
Resistance,
Junction
Force Required
RO.TC
(D.C.)
.....................................................
T
......................................................
stg
Temperature,
........................................................
T
.••.•.•••••.••••••••••••••.••.••••.•••••••••••••
J
AND
to
125°C
8.3
..............................
................
SPECIFICATIONS
to
3
R
+125°C
DC
REVERSE
VOLTAGE,V
= -40°C
T
J
100 Volts
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
msec., D.F. = 50%)
44,000
........
(R1vlS
REPETITIVE
PEAl<
REVERSE
CURRENT,
TJ
Ampere)2 Seconds
'RRM
= 125°C
25
mA
25
25
25
25
25
25
25
25
25
25
25
25
25
25
1200
Amperes
5000
Amperes
095°C/Watt
-40°C
to
+I50°C
-40°C
to
+I25°C
800
Lbs
3.56KN ± 10%
± 10%
NOTES:
I Assumes a heatsink thermal resistance
2 Non-repetitive voltage and current ratings, as contrasted to repetitive ratings, apply for occasional
example,
3 Assumes a heatsink thermal resistance
the
forward surge current ratings are non-repetitive ratings
of
of
less
less
than
than
2.0°C/watt.
1:O°c/watt'
596
that
are used in fault coordination work.
or
unpredictable overloads. For
10,000
w
'"
f5
5.000
"-
:E
<t
.:.
2,000
z
w
~
1,000
;:,
'-'
500
o
0:
<t
~
0:
200
o
U.
100
;:,
'"
o
w
z
50
~
z
~
'"
~
Ul
10,000
w
a:
w
a.
:;;;
1-
f-
Z
W
a:
n:
:::J
U
o
n:
~
n:
1,000
~
""
<t
W
a.
w
...J
CD
~
...J
<t
::;:
:::J
::;:
100
X
<t
::;:
3.
Ul
10,000
w
n:
w
0..
:;;;
1-
f-
Z
w
~
a
5!
~
~
1,000
:.:
<t
w
a.
w
...J
CD
~
...J
<t
::;:
:::J
::;:
X
<t
:;;;
I
I
0
I
0
o
1.
MAXIMUM
-
f"'"
10
SINUSOIDAL PULSE BASE WIDTH - MICROSECONDS
MAXIMUM
SINUSOIDAL
r--
10'1°
20,000
100
10
TRAPEZOIDAL PULSE BASE WIDTH - MICROSECONDS
5.
MAXIMUM
CURRENT
(Tc
= 65°C)
100
~p
~
//
19'
,"'-
1'-
TJ ·25·C
U
"-
TJ 1.125·C
1.0
2.0
INSTANTANEOUS FORWARD
FORWARD
PULSES
,,,!"'"
-
-
--990
3,300
5,000
I
0
1\
I'-
N~
<2
~d
S
00
~"
!?ci
10
'0
0
.e
I.,...
0
1
0
100
ALLOWABLE
WAVEFORM
DOUBLE SIDE
60
400
.1
I,OO(
2,000
\.
,
1
"-
t\
100
ALLOWABLE
TRAPEZOIDAL
DI/DT
AlpS
DOUBLE
3.0
VOLTAGE-VOLTS
CHARACTERISTICS
PER
SEC
~6'0
r-...
00
~O
'I"-
0
I'...
.......
"-
FORWARD
(TC = 90°C)
COOLED
PULSES PER
I"
l'.
"-
f"-
'!'-
f"-
I'-
.......
"
PEAK
WAVEFORM
(RISING &
SIDE COOLED
DEVICE
~
I'-
CURRENT
SEC
~
I'-
5.0
4.0
1,000
1,000
FORWARD
FALLING)
.....
=
SPECI
10,000
10,000
FICATIONS
Ul
10,000
w
n:
w
a.
::;:
<t
.
f-
Z
W
n:
n:
::>
u
o
n:
~
0:
1,000
fi:
<t
"
W
a.
w
...J
CD
~
o
...J
...J
<t
::;:
:::J
;;;
100
X
<t
:;;;
Ul
W
0:
W
a.
::;:
<t
~
Z
W
a:
a:
:::J
U
0
a:
<t
3:
115
"-
""
<t
w
a.
10,000
1,000
10
13
ffi
a.
::E
<t
..c
z
l£!
a:
::>
u
o
a:
<t
~
1,000
<i
w
a.
w
iii
~
...J
<t
::;:
::>
::;:
X 100
~
597
10
2.
MAXIMUM
CURRENT
(Tc
f---
f---
PULSE ENERGY
WATTS-SEC
100
10
4.
SINUSOIDAL
,000
f---
I-
10,000
20,000
10
6.
MAXIMUM
(Tc
100
""-
I--
l-
-l-
I-
l-
" 10
':>0 ~ 0
'0
PULSES PER
SINUSOIDAL PULSE BASE WIDTH -
= 65°C)
-
t-,
~05
-
~5
IN
PER
SINUSOIDAL PULSE BASE WIDTH - MICROSECONDS
1,000
2,000
3,300
rOf\l\f\
"-
r-..
...........
i'-..
1".......
,,!'-
,......
i'-.."
'0
~"KOo
~qd
~
00
ALLOWABLE
SINUSOIDAL
0
I
r-.
.
0
0
SEC
100
DOUBLE
'X
2.5
'-..
~.o
~.5
~
0.2~
'"
"
,
"
""
"-
"-
'\,
PUL
SE
"
100
PULSE
60-
PULSES
400
\.
.......
'\,
""",......
"-
1\
....
"'-
1'-
""
0
00
00
PEAK
WAVEFORM
SIDE COOLED
"
"
"
",
I'....
,
~
1'\
"
ENERGY
PER
I"-
I'\.
-...;
......
r-.
~
~
1,000
MICROSECONDS
FORWARD
""
"
""
"-
'\,
~
1,000
(TJ
= 125°C)
SEC
"
'"
TRAPEZOIDAL PULSE BASE WIDTH - MICROSECONDS
CURRENT
= 90°C)
AlpS
100
ALLOWABLE
TRAPEZOIDAL
DI/DT
DOUBLE
(RISING &
SIDE COOLED
1,000
PEAK
FORWARD
WAVEFORM
FALLING)
r-~
"""
,
"-
"
I'-
.'"
r--
=
A397
6'0
IO,DOO
'\
10,000
A397
lOpeD
(J)
w
Ct:
w
a.
::IE
«
I
I-
Z
W
~
:::l
U
o
Ct:
~
Ct:
Ii'
«
'"
~
,
PULSE
I-
WATTS-SECfouLSE
lpoe
=
100
10
7.
(RISING &
DEVICE
ENERGY
IN
O.O~\
0.025
i'
"
TRAPEZOIDAL PULSE BASE WIDTH - MICROSECONDS
TRAPEZOIDAL
I--
2.5
1.0
0.5
\.
0.1
II
0.2
5'\.
"
~
~"
'"
"-
i'..
~ ~
"
"'"
~
100 1,000
""
PULSE ENERGY
FALLING)
==
"-
"
",
I"-
"
i'-
I'-
1'\
100
"
AlpS
""
,
"
"I'-
"-
""
'"
DI/DT
(TJ
==
SPECIFICATIONS
"-
'"
1'-"
10POO
125°C)
1,000
(J)
co
::IE
'3
§
:"-
w
~
«
J:
u
o
II:!
w
~
Irl
Ct:
w
(J)
0:
W
>
~
i
o
100
10
L-
8.
TYPICAL
(Maximum
If
maximum
request
....
i'1lIIi
REVERSE
recovered charge
.P:
V
I~I-"""
~
10
di
/d
t -
./
AMPERES / MICROSECOND
100
RECOVERED CHARGE
Recovered Charge
A397_X9,
group
e.g. A397BX9, etc.
~
~
[\FM
0:0
~
1
REVERSE
Group
12
is
IFt-.
....+-i
./
./
200
100
R~
di/dt
-IR(REC)
12)
required,
1,000
400
J
'
1,000
I
- w
OJ
H:IE
Ct:
o
I-
U
~
d,/dt
tA
IRM
;';;'
j
~
1.0
(~~~)
- - -
,-f-"
--+<-tB~
T\;
_I-
'~;'~ACTOR:
I
I
I
I
I
(dl/dt)REC
-
I
I
~
tA
~i""'"
-
V
O.
I
1.0
REVERSE
9.
OJ
I-
z
W 0
a:
gs
u
W
to
a:
::0
'"
'"
...
W
a.
Cl
'"
z
0
u
iii
iii
w
a:
a.
1-
:IE
'"
~
0
2
'"
W
0:
W
a.
:IE
...
TYPICAL
400
300
200
100
80
60
r--
40
20
10
l
5
4
3
"S"
1.5
11. SUB-CYCLE SURGE FORWARD CURRENT
AND
FOLLOWING
10
RECOVERED
CHARGE-QR
(REC)
100
P.
FACTOR VERSUS RECOVERY
(TJ
==
CHARGE
2
r
t
RATING
PULSE
RATED
125°C)
WIDTH-
4
MILLISECONDS
VERSUS PULSE TIME
LOAD
CONDITIONS
I
-
COULOMBS
6 7 B
1000
9
10
598
1.0
~
;>
I
W
U
Z
g
w
a.
~
...J
I
~
O.
a:
W
J:
l-
I-
Z
W
in
z
...
a:
I-
,/
,/
.0
I
.001
10.
TRANSIENT
~
/:::-..---, "-
/1
II
II
\~\
,\..
'.........
~
~
F
-Wi
.L
T
I
I!
~~p:-l
I-"""
V
.01
OUTLINE
"-
'\ \
~/)
/ /
//
~-r
0.1
TIME IN SECONDS
THERMAL
JUNCTlON-TO-CASE
DRAWING
R-DIA.
S-DEEP
\ \
\ I
B
L C
B
SEATING PLANES
FLAT WITHIN
.001 TOTAL
DOU
BlE
SIDE
COOLED
/.0
IMPEDANCE -
SVM
A
B
c
0
E
t
('03MMi
F
R
S
10
TABLE OF DIMENSIONS
Conversion Table
MAX.
I
,
I
----
.752
.060
.017
.145
.083
-
METRIC
MM
MIN.
MAX.
18.89 19.10
i---
.76 1.52
13.08
'11
40.64
4
1
).9
2.79
.33 .43
3.42
3.68
1.70
2.1
DECIMAL
INCHES
-----~
MIN.
.744
.030
.5151 .565
1.600 !1.656
.110
.031
.135
.067 I
When
SUGGESTED
the Press-Pak
is
assembled
MOUNTING
to
a heat sink in accord-
METHODS FOR PRESS-PAKS TO
ance with the following general instructions, a reliable and
low thermal resistance interface will result:
1.
Check each mating surface for nicks, scratches, flatness
and surface fmish. The heat dissipator mating surfaces
have
should be flat within .0005 inch/inch and
face finish
2.
It
is
of
63
micro-inches.
recommended
that
the heat dissipator be plated
a sur-
with nickel, tin, or silver. Bare aluminum or copper sur-
faces will oxidize in time resulting in excessively high
thermal resistance.
HEAT
DISSIPATORS
A397
3. Sand each surface lightly with 600 grit paper just prior
to
assembly. Clean off and apply silicone oil
SF 1154 200 centistoke viscosity) or silicone
(GE G322L or Dow Corning
Clean
off
and apply again
DC
3, 4, 340 or 640).
as
a thin film. (A thick
(GE
grease
film
will adversely affect the electrical and thermal
resistai1ces.)
4. Assemble with the specified mounting force applied
through a self-leveling, swivel connection. The force
has
to be evenly distributed over the full area. Center holes
on both
bottom
of the Press-Pak are for locat-
top
and
ing purposes only.
MOUNTING THE A397,
CLAMP
FEATURES:
..
Hardened Steel Pivot insuring constant pressure in
F INCH PRESS-PAl< USING THE IES 1000 CLAMP
rugged applications over long periods.
..
One-piece phenolic insulator
gives
added 1/2" creep
distance.
..
Use
of
special Force Indicator Gauge eliminates need
for torque wrenches, inaccurate "flex" gauges and
guesswork.
..
Various bolt lengths available
to
accommodate most
mounting situations.
..
No
loose parts
..
Stiffening brace to reinforce heat sink available upon
to
complicate assembly.
request.
MOUNTING
PROCEDURE:
With the semiconductor positively located in place on the
he
at sink(s), place the clamp in position with the bolts
through the holes in the heatsink(s), and proceed
1.
Refer to SCR Manual, Fifth Edition for Preparation
Mounting the
Press-Pale
SCR, 18.2.7.
as
follows:
2. Tighten the nuts evenly until finger tight.
3.
Tighten each bolt 1/2 turn, using a 7/16 socket wrench
on the bolt heads.
4. Place the Force Indicator Gauge firmly against the
springs,
ends and the middle
springs. The holes
as
shown on the Outline Drawing,
are
in solid contact with the
of
the gauge will then indicate the
so
that
both
spring deflection, or force; correct mounting force
indicated when the holes coincide.
of
is
" Single-side cooling terminal available upon request.
..
Positive, non-binding swivel action.
SERIES
To Calibrate Force Gauge:
If the gauge
wear or damage, check it on a flat surface
is
suspected
of
being out
of
calibration due to
as
shown below.
1000
Examples:
Less
than
Tighten
nuts
ly % turn
until
points
rated force.
alternate-
at a time
coincide.
Correct
Force
Holes
Excessive force. Loos-
en
nuts
and
force
the
at
try
will
Step
start
to
by
nuts,
1.
NEVER
spring
ing off
friction
false readings. Always
start
over.
adjust
back-
spring
produce
TRUE
(OR
STRAIGHT
-r~~~rrrM~~rr~77~~~
If the points are not 0.300 ± .010 apart, calibrate the
by filing the
bottom
contact points.
599
FLAT
SURFACE
EDGE)
gauge
5.2
A197
Condensed Electrical and Thermal Characteristics and Ratings
~
~109.1
JEDECTYPE
GETYPE
SPECIFICATIONS
Max. average forward
IFM(AV)
V
RM
IFM
(Surge)
I2t
T
J
ReJc
V
FM
QRLREC)
tIT
V
F
ReJc
Package Outline No.
Maximum Stud Torque (In-Lbs/N-M)
Max Mounting Force (Lbs/Kn)
Expanded Electrical Characterization, see page:
Tc = (DC)
(Rep)
Max. repetitive peak reverse voltage
Max. peak one cycle, non-recurrent .
.
surge current
@ max. rated load conditions (A)
Max. non-repetitive for 1.5 msec (A2sec)
Operating junction temperature range
Max. thermal resistance,
junction-to-case (DC/W)
Max. peak forward voltage drop @ rated
I
FrAV
@Tc = (DC)
Reverse recovered charge @,rated TJ (p.c)
Reverse recovery time @ rated TJ (p.s)
Max. forward
voltage drop
for the current
range:
Transient thermal(2)
resistance for
time: F
(1
)
(1
phase operation)
(1
phase operation)
phase operation) 50 Hz.
(I)
300
TO
(V)
60
Hz.
(DC)
IMIN(A)
IMAX(A)
A
B
C
D
TM1N(S)
TMAX(S)
G
RECTIFIERS
450
AMPERES
300
68
50-800
5000
5500 7000
95000
-40to175
0.3
1.2 1.4
68
-
- -
100
6000 8000
-.607
.378 .2393
.00081 .0005
-.05
.001 .001
.01
.128 .072
.431 .24
324 109.1
15/1.7
152
400
145
100-1500
6600
82000
-40
to 200
.15
144
-
100
- .1115
-.0244
.01
-
800/3.56
157
324
400 400
110 90
100-1500 100-1500
4800
5000
51000
-40
to 125
.095 .095
1.75 1.7 2.65
25
70
2.8
20
7000 9000 5000
.2337
.1446 .18 .165
.0004 .0004
-.0055
.001 .001 .001
.01 .01 .01
.072 .072
.24
109.1 109.1 183
-
800/3.56 800/3.56 2000/8.9
158
6500
7000 7400
170000
-40
to 175
25 65
15
1.5 5
10
-.02
-.0005
.24
- -
160
450
65
1600-2600
7000
98000
-40
.06
230
200
.24
.00067
.01
.29
.61
165
to 150
(l)Voltage Drop Model:
(2)Transient Thermal Resistance Model: ReJc =
V F = A + B . LN(I) + C . I + DVI
/
F·
to
114
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