3.2 - 69
3.2
4 11 R1
Supersedes 2 07 R0
HERMETIC JEDEC TO-254AA HIGH EFFICIENCY,
CENTER-TAP HIGH VOLTAGE RECTIFIER
FEATURES
Soft Recovery Characteristics
Hermetic Metal Package, JEDEC TO-254AA
Very Low Forward Voltage
Very High Reverse Voltage Capability
Very Low Reverse Recovery Time
Very Low Switching Losses
Isolated Package
Low Thermal Resistance
Available Screened To MIL-S-19500, TX, TXV And S Levels
DESCRIPTION
This soft recovery rectifier is ideally suited as a free wheeling diode in converters and motor
control circuits, as well as a rectifier in SMPS. The package is designed for those
applications where a small size and a hermetically sealed package is desirable.
Center-Tap configuration.
ABSOLUTE MAXIMUM RATINGS
(Per Diode) T
J
= 25C
Repetitive Peak Reverse Voltage, V
RRM
...........................................................................................1000V
Non-Repetitive Peak Reverse Voltage, V
RSM
...................................................................................1000V
Repetitive Peak Forward Current, I
FRM
................................................................................................150A
RMS Forward Current, I
(RMS)
..................................................................................................................25A
Average Forward Current, T
C
= 100C, Duty Cycle = 50%, I
F(AV)
........................................................12A
Surge Non-Repetitive Forward Current, 8.3ms, I
FSM
............................................................................75A
Power Dissipation, T
C
= 100C, P ........................................................................................................25W
Storage and Junction Range, T
stg
.......................................................................................-55C to 150C
Thermal Resistance, Junction-To-Case, R
th(JC)
.............................................................................2.4C/W
24 Amp, 1000 Volt, 65 ns trr Soft Recovery
.144 DIA.
.050
.040
.260
.249
.685
.665
.800
.790
.545
.535
.550
.510
.045
.035
.550
.530
.150 TYP.
.150 TYP.
.005
PIN CONNECTION
OM5262SA/RA/DA
1
2
3
COMMON
ANODE
COMMON
CATHODE
DOUBLER
1
3
2
1
3
2
1
2
3
Common cathode is standard. Contact the factory for performance
characteristics for common anode and doubler.
Standard Products are supplied with glass feedthroughs.
For ceramic feedthroughs, add the letter "C" to the part number.
Example - OMXXXXCSA.
Z-Tab package also available.
SCHEMATIC
OMXXXXRA
OMXXXXSA
OMXXXXDA
OM5262SA/RA/DA
3.2
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246
ELECTRICAL CHARACTERISTICS
STATIC CHARACTERISTICS
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
I
R
T
J
= 25C
V
R
= V
RRM
50
A
T
J
= 100C
2.5
mA
V
F
T
J
= 25C
I
F
= 12A
1.9
V
T
J
= 100C
1.8
RECOVERY CHARACTERISTICS
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
t
rr
T
J
= 25C
I
F
= 1A, dI
F
/dt = -15A/s, V
R
= 30V
155
nS
I
F
= 0.5A, I
R
= 1A, I
rr
= 0.25A
65
TURN-OFF SWITCHING CHARACTERISTICS
(Without Series Inductance)
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
t
IRM
dI
F
/dt = -50A/s
V
CC
= 200V, I
F
= 12A
200
nS
dI
F
/dt = -100A/s
L
P
0.05H, T
J
= 100C
120
I
RM
dI
F
/dt = -50A/s
See Figure 1
7.8
A
dI
F
/dt = -100A/s
9
TURN-OFF OVERVOLTAGE COEFFICIENT
(With Series Inductance)
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
V
RP
T
J
= 100C
V
CC
= 200V, I
F
= I
F(AV)
4.5
V
CC
dI
F
/dt = -12A/s
L
P
12H, See Figure 2
To evaluate the conduction losses use the following equations:
V
F
= 1.47 + 0.026 I
F
P = 1.47 x I
F(AV)
+ 0.026 I
F
2
(RMS)
C =
100
70
50
30
20
7.0
5.0
3.0
2.0
1.0
10
.8
1.0
1.2
1.4
1.6
1.8
T
C
= 25C
T
C
= 100C
V
F
, INSTANTANEAOUS VOLTAGE (VOLTS)
I
F
, INSTANTANEAOUS
FORWARD CURRENT (AMPS)
10
100
500
1000
1.0
0.1
0.01
0.001
T
C
= 25C
T
C
= 100C
V
R
, REVERSE VOLTAGE (VOLTS)
I
R
, REVERSE CURRENT (mA)
L
C
V
CC
DUT
I
F
V
F
I
RM
V
CC
dl
F
/dt
t
IRM
L
C
V
CC
DUT
I
F
V
F
V
RP
V
CC
dl
F
/dt
L
P
Figure 1:
Turn-off switching characteristics
(without series inductance).
TYPICAL FORWARD VOLTAGE
TYPICAL REVERSE CURRENT
Figure 2:
Turn-off switching characteristics
(with series inductance).
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