25FR20 Просмотр технического описания (PDF) - International Rectifier

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Компоненты Описание

производитель

25FR20

Standard Recovery Diodes(Stud Version)

International Rectifier 

25F(R) Series

Bulletin I2018 rev. B 09/98

Thermal and Mechanical Specifications

Parameter

TJ

Tstg

RthJC

R

thCS

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

25F(R)

Units Conditions

-65 to 175

-65 to 200

°C

1.5

DC operation

K/W Mounting surface, smooth, flat and

0.5

greased

1.2

Nm Lubricated threads

(1.5)

(Not lubricated threads)

7 (0.25)

g (oz)

DO-203AA (DO-4)

See Outline Table

∆RthJC Conduction

(The following table shows the increment of thermal resistence RthJC when devices operate at different conduction angles than DC)

Conduction angle Sinusoidal conduction Rectangular conduction Units Conditions

180°

120°

90°

60°

30°

0.28

0.39

0.50

0.73

1.20

0.24

0.41

0.54

0.75

1.21

K/W

TJ = TJ max.

Ordering Information Table

Device Code

A 25 F

R 120 M

1

2

3 45

6

1 - A = Avalanche diode

None = Standard diode

2 - Current rating: Code = IF(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 = VRRM (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)

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