301U(R)
80 to 200 2 50
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
IF(AV) 330 300 A
@ TC120 120 °C
IF(RMS) 520 470 A
IFSM @ 50Hz 8250 6050 A
@ 60Hz 8640 6335 A
I2t@
50Hz 340 183 KA2s
@ 60Hz 311 167 KA2s
VRRM range 80 0 to 2000 2500 V
TJ- 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
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301U(R) Series
Parameter Units Conditions
IF(AV) Max. average forward current 330 300 A 180° conduction, half sine wave
@ Case temperature 120 120 °C
IF(RMS) Max. RMS forward current 520 470 A DC @ TC = 115°C (08 to 20), TC = 102°C (25)
IFSM 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% VRRM
7270 5330 t = 8.3ms reapplied Sinusoidal half wave,
I2t Maximum I 2t for fusing 340 183 t = 10ms No voltage Initial TJ = TJ max.
311 167 t = 8.3ms reapplied
241 129 t = 10ms 100% VRRM
220 118 t = 8.3ms rea pplied
I2√t Maximum I 2√t for fusing 3400 1830 KA2√s t = 0.1 to 10ms, no voltage reapplied
VF(TO)1 Low level value of threshold
voltage
VF(TO)2 High level value of threshold
voltage
rf1Low level value of forward
slope resistance
rf2High level value of forward
slope resistance
VFM Max. forward voltage drop 1.22 1.46 V Ipk= 942A, TJ = TJ max, tp = 10ms sinusoidal wave
Voltage VRRM , maximum repetitive VRSM , maximum non- IRRM max.
Type number Code peak reverse voltage repetitive peak rev. voltage @ TJ = 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 IF(AV)),TJ = TJ max.
0.49 0.59 (16.7% x π x I F(AV) < I < π x IF(AV)), TJ = TJ max.
mΩ
0.84 0.97 (I > π x IF(AV)),TJ = T J max.
0.77 0.90 (16.7% x π x I F(AV) < I < π x IF(AV)), TJ = TJ max.
V
KA2s
A
Forward Conduction 301U(R)
80 to 200 250
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301U(R) Series
∆RthJC Conduction
(The following table shows the increment of thermal resistence RthJC 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 TJ = 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
TJMax. junction operating temperature range -40 to 180
Tstg Max. storage temperature range -40 to 200
RthJC Max. thermal resistance, junction to case 0.14 DC operation
RthCS 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 34 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 IRRM = 2mA TJ = 25°C
None = Std. Leakage selection IRRM= 10mA TJ = 25°C
5- Voltage code: Code x 10=VRRM (See Voltage Ratings table)
6- P. = Forward selection
None = Standard Forward selection
6
IFM VFM VFM
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
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301U(R) Series
Outline Table
All dimensions in millimeters (inches)
Case Style
DO-205AB (DO-9)
301U
307U
IR Case Style B60
IR Case Style B61
305U
IR Case Style B41
309U
CE RAMIC HOU SING
146 (5.75)
21 (0.83)
MAX.
32 (1.2 6)
19 (0.75) MAX.
28 (1. 1 0)
MAX.
140 (5.51)
DI A. 8. 7 (0 .34) M AX .
24 (0.94)
MAX.
3/4"-16UNF-2A
3.9 (0.15)
CERAMIC HOUSING
19 (0.75) MAX.
21 (0.83)
MAX.
54 (2.13) MAX.
11 (0.43)
NOM.
140 (5.51)
148 (5.83)
DIA. 8.5 (0.33
)
32 (1.26)
3.9 (0.15)
12 (0 . 47 )
MIN.
3/4"-16UNF-2A
CERAMIC HOUSING 3/8"-16UNC-2A
21 (0.83)
MAX. 59 (2.32) MAX.
98 (3.86) MAX .
6.4 (0.25)
MAX.
32 (1.26) 7 (0.28) MAX.
3/4"-16UNF-2A
16 (0.63)
CERAMIC HOUSING 3/8"-24UNF-2A
21 (0.83)
MAX. 60 (2.36) MAX.
97 (3.82) MAX.
7.6 (0.3)
MAX.
32 ( 1.26 ) 7 (0.28) MAX.
3/4"-16UNF-2A
17.5 (0.69)
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301U(R) Series
Outline Table
Fig. 1 - Current Ratings Characteristics Fig.2 - Current Ratings Characteristics
110
120
130
140
150
160
170
180
0 50 100 150 200 250 300 350
30° 60° 90° 120°
180°
Average Forward C urren t ( A)
Conduction Angle
Maxi mum Allowable Case Temperature (°C)
R (D C) = 0.14 K/W
30 1U(R) Series (800V to 2000V)
thJC
100
110
120
130
140
150
160
170
180
0 100 200 300 400 500 600
30° 60°90°
180° DC
120°
Average Fo rward Curren t ( A)
Conduction Period
M ax imum A l lo wabl e Case Tem peratu re (° C )
R (DC) = 0 .14 K/W
thJC
301 U(R) Series (80 0V to 2 000V)
303U
IR Case Style B40
CERAM IC HOUSING
16. 5 ( 0.6 5) MAX.
59.7 (2.35) MAX .
21 (0.83) MAX.
DIA. 27.3 (1.07)
MAX.
9 (0. 35) M A X.
3/8"-24UNF-2A
32 (1. 26)
17.5 (0.69)
3/4"-16UNF-2A
29 (1.14) MAX.
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301U(R) Series
Fig. 5 - Forward Power Loss Characteristics
Fig. 3 - Current Ratings Characteristics Fig. 4 - Current Ratings Characteristics
110
120
130
140
150
160
170
180
0 50 100 150 200 250 300 350
30° 60° 90°
120° 180°
Average Fo rward Curren t ( A)
Conducti on An gl e
Maximum Al lowabl e Case Temperature (°C)
301 U (R) Series (2500V)
R (DC) = 0 .14 K/W
thJC
90
100
110
120
130
140
150
160
170
180
0 100 200 300 400 500
30° 60° 90°
180° DC
120°
Average Forward Cu rre n t ( A)
Conducti on Period
Maximum Allo wable Case Temp erature (° C)
301U (R) Series (2500V)
R (D C) = 0.14 K/W
thJC
Fig. 6 - Forward Power Loss Characteristics
20 40 60 80 100 120 140 160 180
Maximum Allowable Ambient Temper ature (° C )
R
= 0.1 K/W - Delta R
thSA
0.2 K/ W
0.3 K/W
1.5 K/W
3 K/W
0.7 K/W
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300 350
180°
120°
90°
60°
30°
RMS Limit
Conduction Angle
Maximum A ve rage Fo rward Po wer Lo ss (W)
Average Forward C urren t ( A)
301 U(R) Ser ies
(800V to 2000V)
T = 1 80°C
J
20 40 60 80 100 120 140 160 180
Maximum All owable A mbient Temperatur e (°C )
R
= 0.1 K/W - Delta R
thS
A
0.2 K
/W
0.3 K/W
1.5 K
/W
3 K/W
0.7 K
/W
0
50
100
150
200
250
300
350
400
450
500
550
0
100 200 300 400 500 600
DC
180°
120°
90°
60°
30°
RMS Limit
Conduction Per i od
Maximu m A ve rage Fo rward Powe r Loss (W)
Average Forward C urr en t (A )
301U(R ) S eries
(800V to 20 00V)
T = 18 0°C
J
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301U(R) Series
20 40 60 80 100 120 140 160 180
Maxim um Al lowabl e A m bie nt Temperatu re ( °C)
R
= 0.1 K/W - Delta R
thS
A
0.2 K/W
0.3 K/W
1.5 K/W
3 K/W
0.7 K
/W
0
50
100
150
200
250
300
350
400
450
0 50 100 150 200 250 300
180°
120°
90°
60°
30°
RMS Limit
Condu cti on An gl e
Maximum Av erage Forward Po wer Lo ss (W)
Av erage Fo rward C urren t (A)
T = 180°C
301U(R) Series (2500V)
J
Fig. 7 - Forward Power Loss Characteristics
Fig. 8 - Forward Power Loss Characteristics
20 40 60 80 100 120 140 160 180
Maximum Allo wable A mbi en t Te m perature ( °C)
R = 0.1
K/W
- Delta R
thS
A
0.2 K/W
0.3 K/W
1.5 K/W
3 K/W
0.7 K/W
0
100
200
300
400
500
600
0
100 200 300 400 500
DC
180°
120°
90°
60°
30°
RMS Lim it
Con ducti on Period
Maximu m A ve rage Fo rward Powe r Loss (W)
Average Fo rward Curren t (A)
T = 180°C
301U(R) Series (2500V)
J
2000
3000
4000
5000
6000
7000
8000
1 10 100
Number Of Equ al Ampl i tu de H alf Cycle Cur r ent Pul ses (N)
Peak Half Sine Wave Forward Current (A)
Initial T = 180°C
@ 60 H z 0 .0083 s
@ 50 H z 0 .0100 s
At Any Rate d Load Con dition An d With
Rated V Appli ed Fo llowing Su rge.
RRM J
301 U(R) Seri es
(800V to 2 000V)
Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current
1000
2000
3000
4000
5000
6000
7000
8000
9000
0.01 0.1 1
Pul se Tr ain Dur ati on (s)
Peak Hal f Sin e Wav e Forward Curre nt (A)
Versus Pul se Tr ain Du ration.
Initial T = 18 0 °C
No Vo ltage Re applie d
Rated V Reappl ied
Maxi mu m Non Repeti ti ve Surge Cu r r ent
RRM
J
301U(R ) S eries
(800V to 20 00V)
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301U(R) Series
Fig. 11 - Maximum Non-Repetitive Surge Current Fig. 12 - Maximum Non-Repetitive Surge Current
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
1 10 100
Number Of Equal A mpli tude H al f Cy cl e Cu r r ent Pul ses (N)
Pe ak Ha l f Sine W a ve For w ar d Cur rent (A )
Initial T = 1 80° C
@ 60 H z 0.00 83 s
@ 50 Hz 0.0100 s
At Any Rated Lo ad Con ditio n An d With
Rated V Applied Foll owin g Surge .
RRM J
301 U(R) Seri es (2500V)
1000
2000
3000
4000
5000
6000
0.01 0.1 1
Pulse Tr ai n Durati on (s)
Peak Hal f Sine Wave Fo rward Cu rrent ( A)
Versu s Pul se Train D uration.
Initial T = 1 8 0 °C
No V oltage Reapplie d
Rated V Reappli ed
RRM
J
Maximu m No n Re pet itiv e Surge C urren t
30 1U(R) Series (2500V)
Fig. 13 - Forward Voltage Drop Characteristics Fig. 14 - Forward Voltage Drop Characteristics
10
100
1000
10000
0 0.5 1 1.5 2 2.5 3
T = 25°C
J
In stan tan e ous Forward V ol t age (V )
Instantaneou s Forward Current (A )
301U(R ) Series
(800V to 200 0V)
T = 180°C
J
10
100
1000
10000
00.511.522.533.5
T = 25°C
J
Instantan eous For war d V oltage (V)
Instantaneou s Forward Current (A )
3 01U(R) Seri es (2 500V )
T = 180°C
J
Fig. 15 - Thermal Impedance ZthJC Characteristic
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
thJC
Transient Thermal Impedance Z (K/W)
301U(R) Series
Steady State Value:
R = 0.14 K/W
(DC Operation)
thJC
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