
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)
Sinusoidal conduction
Rectangular conduction
Conduction angle
80 to 200
0.015
0.018
0.023
0.034
0.056
250
0.015
0.018
0.023
0.034
0.056
00 to 200
0.011
0.019
0.025
0.035
0.057
250
0.011
0.019
0.025
0.035
0.057
180°
120°
90°
60°
30°
K/W
T
J
= T
J
max.
Units
Conditions
T
J
T
stg
R
thJC
R
thCS
T
Max. junction operating temperature range
-40 to 180
Max. storage temperature range
-40 to 200
Max. thermal resistance, junction to case
Max. thermal resistance, case to heatsink
Max. allowed mounting torque +0 -20%
0.14
0.08
37
DC operation
Mounting surface, smooth, flat and greased
Not lubricated threads
28
Lubricated threads
wt
Weight
301U
303U
305U
307U
309U
250 ± 5
152 ± 5
177 ± 5
197 ± 5
160 ± 5
DO-205AB (DO-9)
g
Case style
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
2
-
-
30
1
3
5
= Essential Part Number
= Standard Device
= Top Threaded version
= Type for rotating application with Top Threaded
version 3/8 16UNC-2A
= Type for rotating application with flexible lead
= Type for rotating application with Top Threaded
version 3/8 24UNF
= Stud Normal Polarity (Cathode to Stud)
= Stud Reverse Polarity (Anode to Stud)
= Max. Leakage selection I
RRM
= 2mA T
J
= 25°C
None = Std. Leakage selection I
RRM
= 10mA T
J
= 25°C
Voltage code: Code x 10=V
RRM
(See Voltage Ratings table)
P.
= Forward selection
None = Standard Forward selection
7
9
3
-
U
UR
A
4
-
5
6
-
-
6
I
FM
V
FM
min.
(V)
1.16
1.26
1.31
1.41
V
FM
max.
(V)
1.25
1.30
1.40
1.45
RANGE
T
J
= 25°C
(A)
P2 *
P3 *
P4
P5
* 2500V not available
1000
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