OM5250SM
OM5251SM
OM5252SM OM5254SM OM5256SM
OM5253SM OM5255SM
ISOLATED SURFACE MOUNT HIGH EFFICIENCY
CENTER-TAP RECTIFIER
Hermetic Surface Mount Package
12 Amp, 50V to 600V, 35 to 75 nsec
FEATURES
•
•
•
•
•
•
•
•
Hermetic Surface Mount Package
Very Low Forward Voltage
Very Fast Recovery Time
Low Thermal Resistance
Isolated Package
High Surge
Center-Tap Configuration
Available Screened To MIL-S-19500, TX, TXV and S Levels
DESCRIPTION
This series of products in a hermetic surface mount package is specifically designed
for use at power switching frequencies in excess of 100 kHz. The series combines
two high efficiency devices into one package, simplifying installation, reducing heat
sink hardware, and the need to obtain matched components. These devices are
ideally suited for Military applications where small size and a hermetically sealed
package is required. Common cathode is standard.
ABSOLUTE MAXIMUM RATINGS
(Per Diode) @ 25
°C
Peak Inverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 to 600 V
Maximum Average D.C. Output Current @ T
C
= 100° C . . . . . . . . . . . . . . . . . . . . 6 A
Surge Current (Non-Repetitive 8.3 msec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 A
Operating and Storage Temperature Range . . . . . . . . . . . . . . . . . - 55° C to + 150° C
Max. Lead Solder Temperature for 5 Sec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225°C
X
.
SCHEMATIC
2
1
3
1
COMMON
CATHODE
.200
MECHANICAL OUTLINE
.425
3
2
3.5
.100
.425
.035 WIDE
FLAT 3 PLCS.
Common cathode is standard. Contact the factory for performance
characteristics for common anode and doubler.
PIN CONNECTION
2
1
3
.020
.350 MIN.
± .020
.115
.160
.080
4 04 R1
Supersedes 1 05 R0
3.5 - 75
OM5250SM - OM5256SM
ELECTRICAL CHARACTERISTICS
(Per Leg)
Type
PIV
Maximum
Forward Voltage
(1)
(Volts) @
T
j
= 25° C
T
j
= 100° C
1.0 V
@6A
1.40 V
@6A
1.55 @ 6 A
.950 V
@6A
1.10 V
@6A
1.25 @ 6 A
Maximum
Reverse Current
@ PIV
T
j
= 25° C T
j
= 100° C
Maximum
Reverse
Recovery
Time*
Maximum
Thermal
Resist.
Rθ
JC
2.0
OM5250SM
OM5251SM
OM5252SM
OM5253SM
OM5254SM
OM5255SM
OM5256SM
50
100
150
200
300
400
600
20
µA
600
µA
35 nsec
40
µA
40
µA
1.0 mA
2.0 mA
50 nsec
75 nsec
1.8
*Measured in Circuit: I
F
= 0.5 A, I
R
= 1.0 A, I
REC
= 0.25 A
(1) Pulse Test: Pulse width = 300µs, Duty cycle ≤ 2.0%.
50 V TO 200 V
TYPICAL FORWARD VOLTAGE
OM5250, 5251, 5252, 5253
100
300 V & 400 V
TYPICAL FORWARD VOLTAGE
OM5254, 5255
100
T
J
= 150°C
50
50
100°C
I
F
,
INSTANTANEOUS FORWARD CURRENT (AMPS)
I
F
,
INSTANTANEOUS FORWARD CURRENT (AMPS)
30
20
25°C
30
20
T
J
= 150°C
10
25°C
10
100°C
5.0
3.0
2.0
5.0
3.0
2.0
1.0
1.0
0.5
0.3
0.2
0.5
0.3
0.2
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
V
F
,
INSTANTANEOUS VOLTAGE (VOLTS)
V
F
,
INSTANTANEOUS VOLTAGE (VOLTS)
50 V TO 200 V
TYPICAL REVERSE CURRENT
OM5250, 5251, 5252, 5253
I
R
,
REVERSE CURRENT (µA)
T
J
= 150°C
100°C
I
R
,
REVERSE CURRENT (µA)
100
50
20
10
5.0
2.0
1.0
0.5
0.2
0.1
0.05
0.02
0.01
0
20
40
60
80
100 120 140 160 180 200
200
100
50
300 V & 400 V
TYPICAL REVERSE CURRENT
OM5254, 5255
3.5
20
10
5.0
2.0
1.0
0.5
0.2
0.1
0.05
T
J
= 150°C
25°C
100°C
25°C
0.02
150 200 250 300 350 400 450 500 550 600 650
V
R
,
REVERSE VOLTAGE (VOLTS)
V
R
,
REVERSE VOLTAGE (VOLTS)
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