Bulletin I2031/A
70/300U(R)..D SERIES
STANDARD RECOVERY DIODES
Stud Version
Features
Diffused diode
Wide current range
High voltage ratings up to 1600V
High surge current capabilities
Stud cathode and stud anode version
250A
Typical Applications
Converters
Power supplies
Machine tool controls
High power drives
Medium traction applications
Major Ratings and Characteristics
Parameters
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
V
RRM
range
T
J
70/300U(R)..D
250
145
390
6550
6850
214
195
1200 to 1600
- 40 to 200
Units
A
°C
A
A
A
KA
2
s
KA
2
s
V
°C
case style
DO-205AB (DO-9)
70/300U(R)..D Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number
Voltage
Code
120
160
V
RRM
, maximum repetitive
peak reverse voltage
V
1200
1600
V
RSM
, maximum non-
repetitive peak rev. voltage
V
1300
1700
I
RRM
max.
@ T
J
= T
J
max.
mA
60
70/300U(R)..D
Forward Conduction
Parameter
I
F(AV)
Max. average forward current
@ Case temperature
I
F(RMS)
Max. RMS forward current
I
FSM
Max. peak, one-cycle forward,
non-repetitive surge current
70/300U(R)..D
250
145
390
6550
6850
5500
5750
Units
A
°C
A
Conditions
180° conduction, half sine wave
DC @ 134°C case temperature
t = 10ms
t = 8.3ms
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
A
t = 10ms
t = 8.3ms
t = 10ms
t = 8.3ms
I
2
t
Maximum I
2
t for fusing
214
195
151
138
KA
2
s
t = 10ms
t = 8.3ms
I
2
√t
Maximum I
2
√t
for fusing
2140
0.61
KA
2
√s
t = 0.1 to 10ms, no voltage reapplied
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
V
F(TO)1
Low level value of threshold
voltage
V
F(TO)2
High level value of threshold
voltage
r
f
1
r
f
2
Low level value of forward
slope resistance
High level value of forward
slope resistance
V
FM
Max. forward voltage drop
V
0.83
(I >
π
x I
F(AV)
),T
J
= T
J
max.
(16.7% x
π
x I
F(AV)
< I <
π
x I
F(AV)
), T
J
= T
J
max.
mΩ
0.49
1.30
V
(I >
π
x I
F(AV)
),T
J
= T
J
max.
I
pk
= 785A, T
J
= 25°C, t
p
= 10ms sinusoidal wave
0.75
70/300U(R)..D Series
Thermal and Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
R
thCS
T
Max. junction operating temperature range
Max. storage temperature range
Max. thermal resistance, junction to case
Max. thermal resistance, case to heatsink
Max. allowed mounting torque +0 -20%
70/300U(R)..D
-40 to 200
-40 to 200
0.18
0.08
37
28
Units
°C
Conditions
DC operation
K/W
Nm
g
See Outline Table
Mounting surface, smooth, flat and greased
Not lubricated threads
Lubricated threads
wt
Approximate weight
Case style
250
DO-205AB (DO-9)
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
90°
60°
30°
Sinusoidal conduction Rectangular conduction Units
0.020
0.024
0.031
0.045
0.077
0.015
0.025
0.034
0.047
0.077
K/W
Conditions
T
J
= T
J
max.
Ordering Information Table
Device Code
300
1
1
-
U
2
F
3
R
4
160
5
A
6
Y
7
P
8
D
9
2
3
4
5
6
7
8
9
-
-
-
-
-
-
-
-
300 = Standard 300U device
70
= Standard 70U device
302 = 300U Top Threaded version
72
= 70U Top Threaded version
U
= Essential Part Number
F
= Flat Base (with Pinch Bolt)
None = Normal Stud
R
= Stud Reverse Polarity (Anode to Stud)
None = Stud Normal Polarity (Cathode to Stud)
Voltage code: Code x 10 = V
RRM
(See Voltage Ratings table)
A
= Essential Part Number only for 300U Series
None = 70U Series
Y
= European Lead
None = Standard Lead
P
= Forward Selection (1.045V < V
FM
< 1.125V, I
FM
= 470A, T
J
= 25°C)
D
= Diffused diode
70/300U(R)..D Series
Outline Table
GLASS-METAL SEAL
21 (0.83)
MA X.
16.7 (0.66) MAX.
DIA. 8.5 (0.33) NOM.
195 (7.68) MAX. (European lead)
145 (5.71) MAX. (Standard lead)
28 (1.10)
21 (0 .83)
MAX.
MAX.
70/300U
DO-205AB (DO-9)
3/4"-16UNF-2A
3 2 (1.26)
3 (0.12)
GLASS-METAL SEAL
2 1 (0.83)
MAX.
16.7 (0.66) MAX.
DIA. 8.5 (0.33) NOM.
28 (1.10)
MAX.
70/300UF
DO-205AB (DO-9)
Flat Base
195 (7.68) MAX. (European lead)
135 (5.31) MAX. (Standard lead)
36 (1.41)
32 (1.26)
All dimensions in millimeters (inches)
3 (0.12)
70/300U(R)..D Series
Outline Table
Pinch Bolt
35-0066
GLASS-METAL SEAL
20
(0.78)
41 (1.61)
24
(0.94)
11.19
(0.44) DIA.
2.4
(0.09)
50 (1.97) MAX.
(0.47)
12
DIA. 11.25 (044)
27.3 (1.07) NOM.
5.5 (0.21) DIA.
13
(0.51)
8.8 (0.34)
MAX.
6
(0.23)
9 (0.35) ±
0.1 (0.004)
DIA.
16
(0.62)
33 (1.29)
36 (1.41)
Spring Clamp
32 (1.26)
60 (2.36)
24
(0.94)
K41-0232
FULL RAD.
27.6 (1.80)
50 (1.96)
7 (0.27)
72/302UF
IR Case Style B26
Flat Bse
All dimensions in millimeters (inches)
GLASS-METAL SEAL
3/8"-24UNF-2A
12.7 (0.5)
MIN.
48 (1.88)
76 (2.99) MAX.
55 (2.17)
63 (2.48)
72/302U
IR Case Style B26
21 (0.83) MAX.
3/4"-16UNF-2A
32 (1.26)
16 (0.63)
DIA.
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