IOR 300U-R User Manual
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Bulletin I2039 rev. C 03/03
300U(R) SERIES
STANDARD RECOVERY DIODES
Features
Alloy diode
Popular series for rough service
Stud cathode and stud anode version
Typical Applications
Welders
Power supplies
Motor controls
Battery chargers
General industrial current rectification
Major Ratings and Characteristics
Stud Version
300A
Parameters 300U Units
I
F(AV)
@ T
C
I
@ 50Hz 6550 A
FSM
@ 60Hz 6850 A
I2t@ 50Hz 214 KA2s
@ 60Hz 195 KA2s
V
range 100 to 600 V
RRM
T
J
300 A
150 °C
-65 to 200 °C
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case style
DO-205AB (DO-9)
1
300U(R) Series
Bulletin I2039 rev. C 03/03
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage V
Type number Code peak reverse voltage repetitive peak rev. voltage T
10 100 200
20 200 300
300U 30 300 400 40
40 400 500
60 600 700
Forward Conduction
Parameter 300U Units Conditions
I
Max. average forward current 300 A 180° conduction, half sine wave
F(AV)
@ Case temperature 130 °C
I
Max. peak, one-cycle forward, 6550 t = 10ms No voltage
FSM
non-repetitive surge current 6850 t = 8.3ms reapplied
2
I
t Maximum I2t for fusing 214 t = 10ms No voltage Initial TJ = TJ max.
2
I
√t Maximum I2√t for fusing 2140 KA2√s t = 0.1 to 10ms, no voltage reapplied
Max. value of threshold
V
F(TO)
voltage
Max. value of forward slope
r
f
resistance
Max. peak forward voltage 1.40 V I
V
FM
, maximum repetitive V
RRM
VVmA
5500 t = 10ms 100% V
5750 t = 8.3ms reapplied Sinusoidal half wave,
195 t = 8.3ms reapplied
151 t = 10ms 100% V
138 t = 8.3ms reapplied
0.610 V
0.751 mΩ
A
KA2s
RSM
= 200°C
T
J
= 942A, TJ = 25°C
peak
, maximum non- I
RRM
RRM
max.
RRM
= 175°C
J
Thermal and Mechanical Specifications
Parameter 300U(R) Units Conditions
T
Max. junction operating temperature range -65 to 200
J
Max. storage temperature range -65 to 200
T
stg
Max. thermal resistance, junction to case 0.18 DC operation
R
thJC
R
Max. thermal resistance, case to heatsink 0.08 Mounting surface, smooth, flat and greased
thCS
T Max. allowed mounting torque +0 -20% 37 Not lubricated threads
28 Lubricated threads
wt Approximate weight 250 g
Case style DO-205AB (DO-9)** JEDEC (See Outline Table)
** 302U-A uses IR case style B-26
°C
K/W
Nm
2
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Bulletin I2039 rev. C 03/03
∆R
Conduction
thJC
(The following table shows the increment of thermal resistence R
when devices operate at different conduction angles than DC)
thJC
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
180° 0.020 0.015 TJ = TJ max.
120° 0.024 0.025
90° 0.031 0.034
60° 0.045 0.047
30° 0.077 0.077
K/W
Ordering Information Table
300U(R) Series
Device Code
300 U R 060 A
1 2
1 - 300 = Standard 300U device
302 = 300U Top Threaded version
2 - U = Essential Part Number
3 - R = Stud Reverse Polarity (Anode to Stud)
None = Stud Normal Polarity (Cathode to Stud)
4 - Voltage code: Code x 10 = V
5 - A = Essential Part Number
NOTE: For Metric Device M16 x 1.5 Contact Factory
3
4 5
(See Voltage Ratings table)
RRM
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3
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