Datasheet

25F(R) Series
3
Bulletin I2018 rev. B 09/98
www.irf.com
Parameter 25F(R) Units Conditions
T
J
Max. junction operating temperature range -65 to 175
T
stg
Max. storage temperature range -65 to 200
R
thJC
Max. thermal resistance, junction to case 1.5 DC operation
R
thCS
Max. thermal resistance, case Mounting surface, smooth, flat and
to heatsink greased
T Mounting torque, ± 10% 1.2 Nm Lubricated threads
(1.5) (Not lubricated threads)
wt Approximate weight 7 (0.25) g (oz)
Case style DO-203AA (DO-4) See Outline Table
°C
0.5
K/W
Thermal and Mechanical Specifications
180° 0.28 0.24 T
J
= T
J
max.
120° 0.39 0.41
90° 0.50 0.54
60° 0.73 0.75
30° 1.20 1.21
Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions
K/W
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Ordering Information Table
1 234 5
Device Code
A25F R120M
1 - A = Avalanche diode
None = Standard diode
2 - Current rating: Code = I
F(AV)
3 - F = Standard device
4 - None = Stud Normal Polarity (Cathode to Stud)
R = Stud Reverse Polarity (Anode to Stud)
5 - Voltage code: Code x 10 = V
RRM
(See Voltage Ratings table)
6 - None = Stud base DO-203AA (DO-4) 10-32UNF-2A
M = Stud base DO-203AA (DO-4) M5 X 0.8 - (Not available for Avalanche diodes)
6