Bulletin I27173 rev. A 01/05
50PF(R)...
High Voltage Series
STANDARD RECOVERY DIODES
GEN II DO5
Features
High surge current capability
Designed for a wide range of applications
Stud cathode and stud anode version
Leaded version available
Low thermal resistance
Stud Version
50 A
50PF(R)...
Typical Applications
Converters
Power supplies
Machine tool controls
Welding
Any High Voltage Input Rectification Bridge
Major Ratings and Characteristics
Parameters
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
V
RRM
T
J
range
range
case style DO-203AB (DO-5)
Units
A
°C
A
A
50PF (R)...
140 to 160
50
128
78
570
595
1600
1450
1400 to 1600
- 55 to 160
A
2
s
V
°C
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50PF (R)... Series
Bulletin I27173 rev. A 01/05
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number
Code
V
RRM
, maximum
repetitive peak
reverse voltage
V
1400
1600
V
RSM
, maximum non-
repetitive peak
reverse voltage
V
1650
1900
I
RRM
max.
@ T
J
= 150°C
mA
4.5
140
50PF (R)...
160
Forward Conduction
Parameter
I
F(AV)
Max. average forward current
@ Case temperature
Max. peak, one-cycle forward,
non-repetitive surge current
50PF(R)...
140 to 160
50
128
78
570
595
480
500
Units Conditions
A
°C
A
t = 10ms
A
t = 8.3 ms
t = 10ms
t = 8.3 ms
t = 10ms
A
2
s
t = 8.3ms
t = 10ms
t = 8.3ms
A
√s
2
180° conduction, half sine wave
I
F(RMS)
Max. RMS forward current
I
FSM
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= 150°C
It
2
Maximum I t for fusing
2
1600
1450
1150
1050
I
√t
2
Maximum I
√t
for fusing
2
16000
0.77
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
I
pk
= 125A, T
J
= 25°C, t
p
= 400µs rectangular wave
V
F(TO)
Low level value of threshold
voltage
r
f
V
FM
Low level value of forward
slope resistance
Max. forward voltage drop
V
4.30
1.50
mΩ
V
2
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50PF (R)... Series
Bulletin I27173 rev. A 01/05
Thermal and Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
Max. junction operating temperature range
Max. storage temperature range
Max. thermal resistance, junction to case
50PF (R)...
140 to 160
-55 to 160
-55 to 160
0.51
0.25
3.4
+0-10%
30
2.3
+0-10%
Units
°C
Conditions
DC operation
K/W
Nm
lbf
·
in
Nm
lbf
·
in
g (oz)
See Outline Table
Mounting surface, smooth, flat and
greased
Tighting on nut (1)
Not lubricated threads
Tighting on hexagon (2)
Lubricated threads
R
thCS
Max. thermal resistance, case
to heatsink
T
Allowable mounting torque
20
wt
Approximate weight
Case style
15.8 (0.56)
DO-203AB (DO5)
(1) As general recommendation we suggest to tight on Hexagon and not on nut
(2) Torque must be appliable only to Hexagon and not to plastic structure
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
90°
60°
30°
Sinusoidal conduction
0.11
0.16
0.20
0.29
0.49
Rectangular conduction
0.10
0.16
0.22
0.31
0.50
Units
Conditions
T
J
= T
J
max.
K/W
Maximum Allowable Case Temperature (°C)
180
170
160
150
140
130
120
110
100
0
10
20
30
40
50
60
Average Forward Current (A)
50PF(R) Serie
140 to 160
RthJC = 0.51K/W
180˚ Sine
Fig. 1 - Current Ratings Characteristics
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50PF (R)... Series
Bulletin I27173 rev. A 01/05
550
Peak Half Sine Wave Forward Current (A)
Peak Half Sine Wave Forward Current (A)
500
450
400
350
300
250
200
150
100
1
At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
Initial Tj = Tj Max.
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
600
550
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
Initial Tj = Tj Max.
500
No Voltage Reapplied
Rated Vrrm Reapplied
450
400
350
300
250
200
150
100
0.01
50PF(R) Series
40HF(R) Series
140 to 160
50PF(R) Series
140 to 160
10
100
0.1
Pulse Train Duration (s)
1
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 2 - Maximum Non-Repetitive Surge Current
Fig. 3 - Maximum Non-Repetitive Surge Current
Transient Thermal Impedance Z
thJC
(K/W)
1000
Instantaneous Forward Current (A)
1
Steady State Value
RthJC = 0.51 K/W
(DC Operation)
Tj = Tj Max
100
0.1
Tj = 25˚C
10
50PF(R)
Series
40HF (R)
Series
140 to 160
50PF(R)
Series
50PF(R)
Series
140 to 160
1
0
0.5
1
1.5
2
2.5
3
3.5
4
Instantaneous Forward Voltage (V)
Fig. 4 - Forward Voltage Drop
0.01
0.0001 0.001
0.01
0.1
1
10
Square Wave Pulse Duration (s)
Fig. 4 - Thermal Impedance Z
thJC
Characteristics
4
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50PF (R)... Series
Bulletin I27173 rev. A 01/05
Outline Table
Fig. A - 50PF (R)...
Case Style DO-203AB (DO-5)
Note:
For Metric device please contact Factory
For leaded device please contact Factory
Ordering Information Table
Device Code
50
1
PF
2
R
3
160
4
1
2
3
4
- 50
= Standard device
- PF
= Plastic Package
- None = Stud Normal Polarity (Cathode to Stud)
R
= Stud Reverse Polarity (Anode to Stud)
- Voltage code: Code x 10 = V
RRM
(See Voltage Ratings table)
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