Features
High surge current capability
Designed for a wide range of applications
Stud cathode and stud anode version
Leaded version available/ wire version available
Low thermal resistance
UL approval pending
Typical Applications
Battery charges
Converters
Power supplies
Machine tool controls
Welding
Parameters Units
50PF (R)...(W)
40 to 120
IF(AV) 50 A
@ TC140 °C
IF(RMS) 78 A
IFSM @ 50Hz 800 A
@ 60Hz 830
I2t@
50Hz 3200 A2s
@ 60Hz 2900
VRRM range 400 to 1200 V
TJrange - 55 to 180 °C
Major Ratings and Characteristics
50PF(R)...(W) SERIES
STANDARD RECOVERY DIODES
GEN II DO5
50 A
1
Stud Version
Bulletin I20105 rev. B 06/02
case style DO-203AB (DO-5)
50PF(R)...W
50PF(R)...
case style DO-203AB (DO-5)
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50PF (R)...(W) Series
2
Bulletin I20105 rev. B 06/02
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Voltage VRRM, maximum VRSM, maximum non- IRRM max.
Type number Code repetitive peak repetitive peak @ TJ = 150°C
reverse voltage reverse voltage
VVmA
40 400 500
50PF (R)...(W) 80 800 960 9
120 1200 1440
ELECTRICAL SPECIFICATIONS
Voltage Ratings
IF(AV) Max. average forward current 50 A 180° conduction, half sine wave
@ Case temperature 140 °C
IF(RMS) Max. RMS forward current 78 A
IFSM Max. peak, one-cycle forward, 800 t = 10ms No voltage
non-repetitive surge current 830 t = 8.3 ms reapplied
670 t = 10ms 100% VRRM
700 t = 8.3 ms reapplied Sinusoidal half wave,
I2t Maximum I2t for fusing 3200 t = 10ms No voltage Initial TJ = 150°C
2900 t = 8.3ms reapplied
2260 t = 10ms 100% VRRM
2050 t = 8.3ms reapplied
I2t Maximum I2t for fusing 32000 A2s t = 0.1 to 10ms, no voltage reapplied
VF(TO) Low level value of threshold
voltage
rfLow level value of forward
slope resistance
VFM Max. forward voltage drop 1.40 V Ipk= 125A, TJ = 25°C, tp = 400µs rectangular wave
Parameter Units Conditions
4.30 m(16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
0.77 V (16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
A2s
A
Forward Conduction
50PF(R)...(W)
40 to 120
50PF (R)...(W) Series
3
Bulletin I20105 rev. B 06/02
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Parameter Units Conditions
50PF (R)...(W)
40 to 120
TJMax. junction operating temperature range -55 to 180
Tstg Max. storage temperature range -55 to 180
RthJC Max. thermal resistance, junction to case 0.51 DC operation
RthCS Max. thermal resistance, case Mounting surface, smooth, flat and
to heatsink greased
T Max. allowed mounting torque ±10% 2.3 ÷ 3.4 Nm Tighting on nut (1)
20
÷ 30 lbf · in
3.2
÷ 4.3 Nm Tighting on Hexagon (2)
28
÷ 38 lbf · in
wt Approximate weight 15.8 (0.56) g (oz)
Case style DO-203AB (DO5) See Outline Table
°C
0.25 K/W
Thermal and Mechanical Specifications
180° 0.11 0.10 TJ = TJ max.
120° 0.16 0.16
90° 0.20 0.22
60° 0.29 0.31
30° 0.49 0.50
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
K/W
RthJC Conduction
(The following table shows the increment of thermal resistence RthJC when devices operate at different conduction angles than DC)
(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
110
120
130
140
150
160
170
180
0 102030405060
30˚ 60˚ 90˚ 120˚ 180˚
Conduction Angle
50PF(R) Serie
RthJC = 0.51 K/W
120
130
140
150
160
170
180
0 1020304050607080
DC
30˚
60˚90˚
120˚180˚
Conduction Period
50PF(R) Series
RthJC (DC) = 0.51 K/W
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
Maximum Allowable Case Temperature (°C)
Maximum Allowable Case Temperature (°C)
50PF (R)...(W) Series
4
Bulletin I20105 rev. B 06/02
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Average Forward Current (A)
Fig. 3 - Forward Power Loss Characteristics
Maximum Allowable Forward Power Loss (W)
Average Forward Current (A)
Fig. 4 - Forward Power Loss Characteristics
Maximum Allowable Forward Power Loss (W)
0
30 60 90 120 150 180
1 K/W
1.5 K/W
2 K/W
0.7 K/W
3 K/W
5 K/W
7 K/W
10 K/W
0
20
40
60
80
100
0 102030405060
RMS Limit
Conduction Angle
180˚
120˚
90˚
60˚
30˚
50PF(R) Series
Tj = 180˚C
0
30 60 90 120 150 180
1 K/W
1.5 K/W
2 K/W
0.7 K/W
3 K/W
5 K/W
7 K/W
10 K/W
0
20
40
60
80
100
0 20406080
RMS Limit
Conduction Period
50PF(R) Series
Tj = 180˚C
180˚
120˚
90˚
60˚
30˚DC
Maximum Allowable Ambient Temperature (°C)
Maximum Allowable Ambient Temperature (°C)
50PF (R)...(W) Series
5
Bulletin I20105 rev. B 06/02
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1
10
100
1000
01234
Tj = 25˚C
50PF(R) Series
Tj = 180˚C
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10
Steady State Value
RthJC = 0.51 K/W
(DC Operation)
50PF(R) Series
Instantaneous Forward Voltage (V)
Fig. 7 - Forward Voltage Drop Characteristics
Instantaneous Forward Current (A)
Square Wave Pulse Duration (s)
Fig. 8 - Thermal Impedance ZthJC Characteristics
Transient Thermal Impedance Z thJC (K/W)
200
300
400
500
600
700
800
1 10 100
At Any Rated Load Condition And With
Rated Vrrm Applied Following Surge.
50PF(R) Series
Initial Tj = 150˚C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
100
200
300
400
500
600
700
800
900
0.01 0.1 1
Maximum Non Repetitive Surge Current
Versus Pulse Train Duration.
50PF(R) Series
Initial Tj = 150˚C
No Voltage Reapplied
Rated Vrrm Reapplied
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Fig. 5 - Maximum Non -Repetitive Surge Current
Peak Haf Sine Wave Forward Current (A)
Pulse Train Duration (s)
Fig. 6 - Maximum Non -Repetitive Surge Current
Peak Haf Sine Wave Forward Current (A)
50PF (R)...(W) Series
6
Bulletin I20105 rev. B 06/02
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Outline Table
Fig. A - 50PF (R)...
Case Style DO-203AB (DO-5)
Note: For Metric device please contact Factory
Fig. B - 50PF (R)...(W)
Case Style DO-203AB (DO-5)
Note: For Metric device please contact Factory
Fig. C - 52PF (R)...
Case Style DO-203AB (DO-5)
Note: For Metric device please contact Factory
50PF (R)...(W) Series
7
Bulletin I20105 rev. B 06/02
www.irf.com
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 06/02
Data and specifications subject to change without notice.
This product has been designed and qualified for Multiple Level.
Qualification Standards can be found on IR's Web site.
Ordering Information Table
1 2 3
Device Code
50 PF R 120 W
1- 50 = Standard device
52 = Isolated lead on standard terminal
with silicone sleeve available for 1200V only
(Red = Reverse Polarity)
(Blue = Normal Polarity)
2- PF = Plastic Package
3- None = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
4- Voltage code: Code x 10 = VRRM (See Voltage Ratings table)
5- None = Standard terminal (see Fig. A)
- W = Wire terminal (see Fig. B)
45