IOR 301U-R User Manual
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Bulletin I2032/A
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
Typical Applications
Converters
Power supplies
Machine tool controls
High power drives
Medium traction applications
Stud V ersion
300A
Major Ratings and Characteristics
301U(R)
Parameters Units
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
I2t@
V
RRM
T
J
@ 50Hz 8250 6050 A
@ 60Hz 8640 6335 A
50Hz 340 183 KA2s
@ 60Hz 311 167 KA2s
range 800 to 2000 2500 V
80 to 200 250
330 300 A
120 120 °C
520 470 A
- 40 to 180 - 40 to 180 °C
case style
DO-205AB (DO-9)
301U(R) Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage V
Type number Code peak reverse voltage repetitive peak rev. voltage @ T
, maximum repetitive V
RRM
, maximum non- I
RSM
RRM
J
VVmA
80 800 900
120 1200 1300
301U(R) 160 1600 1700 15
200 2000 2100
250 2500 2600
Forward Conduction
Parameter Units Conditions
I
F(AV)
I
F(RMS)
I
FSM
2
t Maximum I2t for fusing 340 183 t = 10ms No voltage Initial TJ = TJ max.
I
2
I
V
V
r
f
r
f
V
Max. average forward current 330 300 A 180° conduction, half sine wave
@ Case temperature 120 120 °C
Max. RMS forward current 520 470 A DC @ TC = 115°C (08 to 20), TC = 102°C (25)
Max. peak, one-cycle forward, 8250 6050 t = 10ms No voltage
non-repetitive surge current 8640 6335 t = 8.3ms reapplied
√t Maximum I2√t for fusing 3400 1830 KA2√s t = 0.1 to 10ms, no voltage reapplied
Low level value of threshold
F(TO)1
voltage
High level value of threshold
F(TO)2
voltage
Low level value of forward
1
slope resistance
High level value of forward
2
slope resistance
Max. forward voltage drop 1.22 1.46 V Ipk= 942A, TJ = TJ max, tp = 10ms sinusoidal wave
FM
301U(R)
80 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 rea pplied
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
), TJ = TJ max.
F(AV)
), TJ = TJ max.
F(AV)
max.
= TJ max.
Thermal and Mechanical Specifications
Parameter 301U(R) Units Conditions
T
T
R
R
T Max. allowed mounting torque +0 -20% 37 Not lubricated threads
wt Weight 301U 250 ± 5
Max. junction operating temperature range -40 to 180
J
Max. storage temperature range -40 to 200
stg
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
thCS
28 Lubricated threads
303U 152 ± 5
305U 177 ± 5 g
307U 197 ± 5
309U 160 ± 5
Case style DO-205AB (DO-9) See Outline Table
°C
K/W
Nm
301U(R) Series
∆R
(The following table shows the increment of thermal resistence R
Conduction
thJC
when devices operate at different conduction angles than DC)
thJC
Sinusoidal conduction Rectangular conduction
Conduction angle Units Conditions
80 to 200 250 00 to 200 250
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
= TJ max.
J
Ordering Information Table
Device Code
30 1 U A 250 P5
1 2
1 - 30 = Essential Part Number
2 - 1 = Standard Device
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
3 - U = Stud Normal Polarity (Cathode to Stud)
UR = Stud Reverse Polarity (Anode to Stud)
4 - A = Max. Leakage selection I
None = Std. Leakage selection I
5 - Voltage code: Code x 10=V
6 - P. = Forward selection
None = Standard Forward selection
3
4 5
= 2mA TJ = 25°C
RRM
= 10mA TJ = 25°C
RRM
(See Voltage Ratings table)
RRM
6
RANGE TJ = 25°C min. max.
P2 * 1.16 1.25
P3 * 1.26 1.30
P4 1.31 1.40
P5 1.41 1.45
* 2500V not available
I
FM
(A) (V) (V)
1000
V
FM
V
FM
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