301U(R)
80 to 200 250
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
Parameters Units
I
F(AV)
330 300 A
@ T
C
120 120 °C
I
F(RMS)
520 470 A
I
FSM
@ 50Hz 8250 6050 A
@ 60Hz 8640 6335 A
I2t@
50Hz 340 183 KA2s
@ 60Hz 311 167 KA2s
V
RRM
range 800 to 2000 2500 V
T
J
- 40 to 180 - 40 to 180 °C
Major Ratings and Characteristics
case style
DO-205AB (DO-9)
301U(R) SERIES
STANDARD RECOVERY DIODES
Stud V ersion
300A
Bulletin I2032/A
301U(R) Series
Parameter Units Conditions
I
F(AV)
Max. average forward current 330 300 A 180° conduction, half sine wave
@ Case temperature 120 120 °C
I
F(RMS)
Max. RMS forward current 520 470 A DC @ TC = 115°C (08 to 20), TC = 102°C (25)
I
FSM
Max. peak, one-cycle forward, 8250 6050 t = 10ms No voltage
non-repetitive surge current 8640 6335 t = 8.3ms reapplied
6940 5090 t = 10ms 100% V
RRM
7270 5330 t = 8.3ms reapplied Sinusoidal half wave,
I
2
t Maximum I2t for fusing 340 183 t = 10ms No voltage Initial TJ = TJ max.
311 167 t = 8.3ms reapplied
241 129 t = 10ms 100% V
RRM
220 118 t = 8.3ms rea pplied
I
2
√t Maximum I2√t for fusing 3400 1830 KA2√s t = 0.1 to 10ms, no voltage reapplied
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f
1
Low level value of forward
slope resistance
r
f
2
High level value of forward
slope resistance
V
FM
Max. forward voltage drop 1.22 1.46 V Ipk= 942A, TJ = TJ max, tp = 10ms sinusoidal wave
Voltage V
RRM
, maximum repetitive V
RSM
, maximum non- I
RRM
max.
Type number Code peak reverse voltage repetitive peak rev. voltage @ T
J
= TJ max.
VVmA
80 800 900
120 1200 1300
301U(R) 160 1600 1700 15
200 2000 2100
250 2500 2600
ELECTRICAL SPECIFICATIONS
Voltage Ratings
0.49 0.55 (I > π x I
F(AV)
),TJ = TJ max.
0.49 0.59 (16.7% x π x I
F(AV)
< I < π x I
F(AV)
), TJ = TJ max.
mΩ
0.84 0.97 (I > π x I
F(AV)
),TJ = TJ max.
0.77 0.90 (16.7% x π x I
F(AV)
< I < π x I
F(AV)
), TJ = TJ max.
V
KA2s
A
Forward Conduction
301U(R)
80 to 200 250
301U(R) Series
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
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
J
= TJ max.
60° 0.034 0.034 0.035 0.035
30° 0.056 0.056 0.057 0.057
Sinusoidal conduction Rectangular conduction
Conduction angle Units Conditions
T
J
Max. junction operating temperature range -40 to 180
T
stg
Max. storage temperature range -40 to 200
R
thJC
Max. thermal resistance, junction to case 0.14 DC operation
R
thCS
Max. thermal resistance, case to heatsink 0.08 Mounting surface, smooth, flat and greased
T Max. allowed mounting torque +0 -20% 37 Not lubricated threads
28 Lubricated threads
wt Weight 301U 250 ± 5
303U 152 ± 5
305U 177 ± 5 g
307U 197 ± 5
309U 160 ± 5
Case style DO-205AB (DO-9) See Outline Table
Parameter 301U(R) Units Conditions
Thermal and Mechanical Specifications
°C
K/W
Nm
Ordering Information Table
30 1 U A 250 P5
1 2
3
4 5
Device Code
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
RRM
= 2mA TJ = 25°C
None = Std. Leakage selection I
RRM
= 10mA TJ = 25°C
5 - Voltage code: Code x 10=V
RRM
(See Voltage Ratings table)
6 - P. = Forward selection
None = Standard Forward selection
6
I
FM
V
FM
V
FM
RANGE TJ = 25°C min. max.
(A) (V) (V)
P2 * 1.16 1.25
P3 * 1.26 1.30
P4 1.31 1.40
P5 1.41 1.45
1000
* 2500V not available