C&H Technology 303U(R) Series - Manual (Page 12)

301U(R) Series
3 www.irf.com
Bulletin I2032 rev. B 03/03
∆
R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
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 T
J
= T
J
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
T
J
Max. junction operating temperature range -40 to 180
T
stg
Max. storage temperature range -40 to 200
R
thJC
Max. thermal resistance, junction to case 0.14 DC operation
R
thCS
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
1 2 3 4 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 I
RRM
= 2mA T
J
= 25°C
5 - Voltage code: Code x 10=V
RRM
(See Voltage Ratings table)