International Rrectifier 301U-R User Manual
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Bulletin I2032 rev. B 03/03
301U(R) SERIES
STANDARD RECOVERY DIODES
Features
Wide current range
High voltage ratings up to 2500V
High surge current capabilities
Stud cathode and stud anode version
High resistance to acceleration
Typical Applications
Converters
Power supplies
Machine tool controls
High power drives
Medium traction applications
Major Ratings and Characteristics
Parameters Units
I
F(AV)
@ T
I
F(RMS)
I
FSM
@ 50Hz 8250 6050 A
@ 60Hz 8640 6335 A
160 to 200 250
C
301U(R)
330 300 A
120 120 °C
520 470 A
Stud Version
300A
I2t@
V
RRM
T
J
50Hz 340 183 KA2s
@ 60Hz 311 167 KA2s
range 1600 to 2000 2500 V
- 40 to 180 - 40 to 180 °C
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case style
DO-205AB (DO-9)
1
301U(R) Series
Bulletin I2032 rev. B 03/03
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage V
Type number Code peak reverse voltage repetitive peak rev. voltage @ T
301U(R) 160 1600 1700 15
200 2000 2100
250 2500 2600
Forward Conduction
Parameter Units Conditions
I
Max. average forward current 330 300 A 180° conduction, half sine wave
F(AV)
@ Case temperature 120 120 °C
I
Max. RMS forward current 520 470 A DC @ TC = 115°C (up to 2000V), TC = 102°C (2500V)
F(RMS)
I
Max. peak, one-cycle forward, 8250 6050 t = 10ms No voltage
FSM
non-repetitive surge current 8640 6335 t = 8.3ms reapplied
2
I
t Maximum I2t for fusing 340 183 t = 10ms No voltage Initial TJ = TJ max.
2
I
√t Maximum I2√t for fusing 3400 1830 KA2√s t = 0.1 to 10ms, no voltage reapplied
Low level value of threshold
V
F(TO)1
voltage
High level value of threshold
V
F(TO)2
voltage
Low level value of forward
r
1
f
slope resistance
High level value of forward
r
2
f
slope resistance
V
Max. forward voltage drop 1.22 1.46 V Ipk= 942A, TJ = TJ max, tp = 10ms sinusoidal wave
FM
, maximum repetitive V
RRM
, maximum non- I
RSM
VVmA
301U(R)
160 to 200 250
6940 5090 t = 10ms 100% V
7270 5330 t = 8.3ms reapplied Sinusoidal half wave,
311 167 t = 8.3ms reapplied
241 129 t = 10ms 100% V
220 118 t = 8.3ms reapplied
0.77 0.90 (16.7% x π x I
0.84 0.97 (I > π x I
0.49 0.59 (16.7% x π x I
0.49 0.55 (I > π x I
A
KA2s
V
mΩ
F(AV)
),TJ = TJ max.
F(AV)
F(AV)
),TJ = TJ max.
F(AV)
RRM
RRM
< I < π x I
< I < π x I
F(AV)
F(AV)
RRM
), TJ = TJ max.
), TJ = TJ max.
max.
= TJ max.
J
2
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Bulletin I2032 rev. B 03/03
Thermal and Mechanical Specifications
Parameter 301U(R) Units Conditions
TJMax. junction operating temperature range -40 to 180
Max. storage temperature range -40 to 200
T
stg
R
Max. thermal resistance, junction to case 0.14 DC operation
thJC
Max. thermal resistance, case to heatsink 0.08 Mounting surface, smooth, flat and greased
R
thCS
T Max. allowed mounting torque +0 -20% 37 Not lubricated threads
28 Lubricated threads
wt Weight 301U 250 ± 5
Case style DO-205AB (DO-9) See Outline Table
∆R
Conduction
thJC
(The following table shows the increment of thermal resistence R
Conduction angle Units Conditions
180° 0.015 0.015 0.011 0.011
120° 0.018 0.018 0.019 0.019
90° 0.023 0.023 0.025 0.025 K/W T
60° 0.034 0.034 0.035 0.035
30° 0.056 0.056 0.057 0.057
Sinusoidal conduction Rectangular conduction
80 to 200 250 00 to 200 250
303U 152 ± 5
305U 177 ± 5 g
307U 197 ± 5
309U 160 ± 5
thJC
°C
K/W
Nm
when devices operate at different conduction angles than DC)
= TJ max.
J
301U(R) Series
Ordering Information Table
Device Code
1 - 30 = Essential Part Number
2 - 1 = Standard Device
3 - U = Stud Normal Polarity (Cathode to Stud)
4 - A = Max. Leakage selection I
5 - Voltage code: Code x 10=V
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30 1 U A 250
1 2
3 = Top Threaded version
5 = Type for rotating application with Top Threaded
version 3/8 16UNC-2A
7 = Type for rotating application with flexible lead
9 = Type for rotating application with Top Threaded
version 3/8 24UNF
UR = Stud Reverse Polarity (Anode to Stud)
3
4 5
= 2mA TJ = 25°C
RRM
(See Voltage Ratings table)
RRM
3
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