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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
Typical Applications
Converters
Power supplies
Machine tool controls
High power drives
Medium traction applications
Major Ratings and Characteristics
Parameters
70/300U(R)..D
IF(AV)
IF(RMS)
IFSM
I2t
@ TC
@ 50Hz
@ 60Hz
@ 50Hz
250
145
390
6550
6850
214
@ 60Hz
195
VRRM range
TJ
1200 to 1600
- 40 to 200
Units
A
°C
A
A
A
KA2s
KA2s
V
°C
250A
case style
DO-205AB (DO-9)
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70/300U(R)..D Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage
Type number Code
VRRM , maximum repetitive
peak reverse voltage
V
70/300U(R)..D
120
160
1200
1600
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VRSM , maximum non-
repetitive peak rev. voltage
V
1300
1700
IRRM max.
@ TJ = TJ max.
mA
60
Forward Conduction
Parameter
IF(AV) Max. average forward current
@ Case temperature
IF(RMS) Max. RMS forward current
IFSM Max. peak, one-cycle forward,
non-repetitive surge current
I2t Maximum I2t for fusing
I2t Maximum I2t for fusing
VF(TO)1 Low level value of threshold
voltage
VF(TO)2 High level value of threshold
voltage
rf1 Low level value of forward
slope resistance
rf2 High level value of forward
slope resistance
VFM Max. forward voltage drop
70/300U(R)..D Units Conditions
250 A 180° conduction, half sine wave
145 °C
390 A DC @ 134°C case temperature
6550
6850
5500
5750
214
195
151
138
2140
t = 10ms No voltage
t = 8.3ms reapplied
A
t = 10ms 100% VRRM
t = 8.3ms reapplied Sinusoidal half wave,
KA2s
t = 10ms
t = 8.3ms
t = 10ms
t = 8.3ms
No voltage
reapplied
100% VRRM
reapplied
Initial TJ = TJ max.
KA2s t = 0.1 to 10ms, no voltage reapplied
0.61
0.83
(16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
V
(I > π x IF(AV)),TJ = TJ max.
0.75
0.49
1.30
(16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
m
(I > π x IF(AV)),TJ = TJ max.
V Ipk= 785A, TJ = 25°C, tp = 10ms sinusoidal wave
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70/300U(R)..D Series
Thermal and Mechanical Specifications
Parameter
70/300U(R)..D Units Conditions
TJ
Tstg
RthJC
RthCS
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%
wt Approximate weight
-40 to 200
-40 to 200
0.18
0.08
37
28
250
°C
DC operation
K/W
Mounting surface, smooth, flat and greased
Not lubricated threads
Nm
Lubricated threads
g
Case style
DO-205AB (DO-9) See Outline Table
RthJC Conduction
(The following table shows the increment of thermal resistence RthJC when devices operate at different conduction angles than DC)
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
180°
120°
90°
60°
30°
0.020
0.024
0.031
0.045
0.077
0.015
0.025
0.034
0.047
0.077
K/W
TJ = TJ max.
Ordering Information Table
Device Code
300 U F R 160 A Y P D
123 4 5678 9
1 - 300 = Standard 300U device
70 = Standard 70U device
302 = 300U Top Threaded version
72 = 70U Top Threaded version
2 - U = Essential Part Number
3 - F = Flat Base (with Pinch Bolt)
None = Normal Stud
4 - R = Stud Reverse Polarity (Anode to Stud)
None = Stud Normal Polarity (Cathode to Stud)
5 - Voltage code: Code x 10 = VRRM (See Voltage Ratings table)
6 - A = Essential Part Number only for 300U Series
None = 70U Series
7 - Y = European Lead
None = Standard Lead
8 -P
9 -D
= Forward Selection (1.045V < VFM < 1.125V, IFM = 470A, TJ = 25°C)
= Diffused diode
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