S E M I C O N D U C T O R
RURG5070, RURG5080,
RURG5090, RURG50100
50A, 700V - 1000V Ultrafast Diodes
Package
JEDEC STYLE 2 LEAD TO-247
ANODE
CATHODE
(BOTTOM
SIDE METAL)
CATHODE
April 1995
Features
• Ultrafast with Soft Recovery . . . . . . . . . . . . . . . . . . . . .<125ns
• Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . .+175
o
C
• Reverse Voltage Up To . . . . . . . . . . . . . . . . . . . . . . . . . .1000V
• Avalanche Energy Rated
• Planar Construction
Applications
• Switching Power Supplies
• Power Switching Circuits
• General Purpose
Symbol
K
Description
RURG5070, RURG5080, RURG5090 and RURG50100 are
ultrafast diodes with soft recovery characteristics (t
RR
< 125ns).
They have low forward voltage drop and are silicon nitride passi-
vated ion-implanted epitaxial planar construction.
A
These devices are intended for use as freewheeling/clamping
diodes and rectifiers in a variety of switching power supplies and
other power switching applications. Their low stored charge and
ultrafast recovery with soft recovery characteristic minimizes
ringing and electrical noise in many power switching circuits
reducing power loss in the switching transistors.
PACKAGING AVAILABILITY
PART NUMBER
RURG5070
RURG5080
RURG5090
RURG50100
PACKAGE
TO-247
TO-247
TO-247
TO-247
BRAND
RURG5070
RURG5080
RURG5090
RURG50100
NOTE: When ordering, use the entire part number.
Absolute Maximum Ratings
T
C
= +25
o
C, Unless Otherwise Specified
Peak Repetitive Reverse Voltage. . . . . . . . . . . . . . . . . . . . . . . V
RRM
Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . .V
RWM
DC Blocking Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
R
Average Rectified Forward Current . . . . . . . . . . . . . . . . . . . . . I
F(AV)
(T
C
= +85
o
C)
Repetitive Peak Surge Current. . . . . . . . . . . . . . . . . . . . . . . . . . I
FSM
100
(Square Wave, 20kHz)
Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . I
FSM
500
(Halfwave, 1 Phase, 60Hz)
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . P
D
150
Avalanche Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E
AVL
40
Operating and Storage Temperature . . . . . . . . . . . . . . . . . .T
STG
, T
J
-65 to +175
RURG5070
700
700
700
50
RURG5080
800
800
800
50
100
500
150
40
-65 to +175
RURG5090
900
900
900
50
100
500
150
40
-65 to +175
RURG50100 UNITS
1000
V
1000
V
1000
V
50
A
100
500
150
40
-65 to +175
A
A
W
mj
o
C
Copyright
©
Harris Corporation 1995
5-60
File Number
3276.2
Specifications RURG5070, RURG5080, RURG5090, RURG50100
Electrical Specifications
T
C
= +25
o
C, Unless Otherwise Specified
LIMITS
RURG5070
SYMBOL
V
F
V
F
I
R
TEST CONDITION
I
F
= 50A, T
C
= +25
o
C
I
F
= 50A, T
C
= +150
o
C
V
R
= 700V, T
C
= +25
o
C
V
R
=800V, T
C
= +25
o
C
V
R
= 900V, T
C
= +25
o
C
V
R
= 1000V, T
C
= +25
o
C
I
R
V
R
= 700V, T
C
= +150
o
C
V
R
= 800V, T
C
= +150
o
C
V
R
= 900V, T
C
= +150
o
C
V
R
= 1000V, T
C
= +150
o
C
t
RR
I
F
= 1A, dI
F
/dt = 100A/µs
I
F
= 50A, dI
F
/dt = 100A/µs
t
A
t
B
R
θJC
DEFINITIONS
V
F
= Instantaneous forward voltage (pw = 300µs, D = 2%).
I
R
= Instantaneous reverse current.
t
RR
= Reverse recovery time (See Figure 2), summation of t
A
+ t
B
.
t
A
= Time to reach peak reverse current (See Figure 2).
t
B
= Time from peak I
RM
to projected zero crossing of I
RM
based on a straight line from peak I
RM
through 25% of I
RM
(See Figure 2).
R
θJC
= Thermal resistance junction to case.
E
AVL
= Controlled avalanche energy (See Figures 7 and 8).
pw = pulse width.
D = duty cycle.
I
F
= 50A, dI
F
/dt= 100A/µs
I
F
= 50A, dI
F
/dt = 100A/µs
MIN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
-
-
-
-
-
-
-
-
-
-
110
65
-
MAX
1.9
1.7
500
-
-
-
1.5
-
-
-
125
200
-
-
1.0
RURG5080
MIN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
-
-
-
-
-
-
-
-
-
-
110
65
-
MAX
1.9
1.7
-
500
-
-
-
1.5
-
-
125
200
-
-
1.0
RURG5090
MIN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
-
-
-
-
-
-
-
-
-
-
110
65
-
MAX
1.9
1.7
-
-
500
-
-
-
1.5
-
125
200
-
-
1.0
RURG50100
MIN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
-
-
-
-
-
-
-
-
-
-
110
65
-
MAX
1.9
1.7
-
-
-
500
-
-
-
1.5
125
200
-
-
1.0
UNITS
V
V
µA
µA
µA
µA
mA
mA
mA
mA
ns
ns
ns
ns
o
C/W
V
1
AMPLITUDE CONTROLS I
F
V
2
AMPLITUDE CONTROLS dI
F
/dt
R
1
L
1
= SELF INDUCTANCE OF R
4
+ L
LOOP
Q
1
+V
1
0
t
2
t
1
R
2
+V
3
Q
2
t
1
≥
5t
A(MAX)
t
2
> t
RR
t
3
> 0
L
1
t
A(MIN)
≤
R
4
10
L
LOOP
I
F
DUT
Q
4
0
0.25 I
RM
I
RM
dI
F
dt
t
RR
t
A
t
B
t
3
C1
0
-V
2
R
3
Q
3
-V
4
R
4
V
R
V
RM
FIGURE 1. t
RR
TEST CIRCUIT
FIGURE 2. t
RR
WAVEFORMS AND DEFINITIONS
5-61
RURG5070, RURG5080, RURG5090, RURG50100
Typical Performance Curves
FIGURE 3. TYPICAL FORWARD CURRENT vs FORWARD
VOLTAGE DROP
FIGURE 4. TYPICAL REVERSE CURRENT vs VOLTAGE
FIGURE 5. TYPICAL t
RR
, t
A
AND t
B
CURVES vs FORWARD
CURRENT
I
MAX
= 1A
L = 40mH
R < 0.1Ω
E
AVL
= 1/2LI
2
[V
AVL
/(V
AVL
- V
DD
)]
Q
1
& Q
2
ARE 1000V MOSFETs
Q
1
L
R +
V
DD
FIGURE 6. CURRENT DERATING CURVE FOR ALL TYPES
130Ω
1MΩ
DUT
V
AVL
12V
Q
2
130Ω
CURRENT
SENSE
I V
V
DD
-
I
L
12V
t
0
t
1
t
2
t
FIGURE 7. AVALANCHE ENERGY TEST CIRCUIT
FIGURE 8. AVALANCHE CURRENT AND VOLTAGE WAVEFORMS
5-62
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