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SD453N25S20PC Datasheet, PDF (3/10 Pages) International Rectifier – FAST RECOVERY DIODES
SD453N/R Series
Bulletin I2076 rev. A 09/94
Thermal and Mechanical Specifications
Parameter
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
Mounting torque, ± 10%
wt Approximate weight
Case style
SD453N/R
S20
S30
-40 to 150
-40 to 150
0.1
0.04
50
454
B-8
Units Conditions
°C
DC operation
K/W Mounting surface, smooth, flat and
greased
Nm Not lubricated threads
g
See Outline Table
∆RthJ-hs Conduction
(The following table shows the increment of thermal resistence RthJ-hs when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
Sinusoidal conduction
S20
0.010
0.014
S30
0.010
0.014
Rectangular conduction
S20
0.008
0.014
S30
0.008
0.014
Units
Conditions
TJ = TJ max.
90°
0.017
0.017
0.019
0.019
K/W
60°
0.025
0.025
0.026
0.026
30°
0.042
0.042
0.042
0.042
Ordering Information Table
Device Code
SD 45 3 N 25 S30 P S C
1 - Diode
123 4 56 7
2 - Essential part number
3 - 3 = Fast recovery
4 - N = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
5 - Voltage code: Code x 100 = VRRM (see Voltage Ratings table)
6 - trr code (see Recovery Characteristics table)
7 - P = Stud base B-8 3/4" 16UNF-2A
M = Stud base B-8 M24 X 1.5
8 -7 S = Isolated lead with silicone sleeve
(Red = Reverse Polarity; Blue = Normal Polarity)
None = Not isolated lead
T = Threaded Top Terminal 3/8" 24UNF-2A
9 - C = Ceramic housing
89
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