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DGS

4-025A

DGS 3-025AS

DGSK 8-025A

IXYS reserves the right to change limits, test conditions and dimensions

0,0

0,5

1,0

1,5

2,0

0,001

0,01

0,1

1

10

0,00001

0,0001

0,001

0,01

0,1

1

10

0,01

0,1

1

10

t

s

K/W

0,1

1

10

100

1000

1

10

100

C

J

I

F

A

V

F

V

R

V

pF

V

Z

thJC

T

Single Pulse

T

125°C

25°C

DGS3-025AS

Fig. 1 typ. forward characteristics

Fig. 2 typ. junction capacity

versus blocking voltage

Fig. 3 typ. thermal impedance junction to case

Note:

explanatory comparison of the basic operational behaviour of rectifier diodes and Gallium Arsenide

Schottky diodes:

conduction

forward characteristics

turn off characteristics

turn on characteristics

by majority + minority carriers

V

extraction of excess carriers

causes temperature dependant

reverse recovery (t

delayed saturation leads to V

FR

Rectifier Diode

by majority carriers only

V

reverse current charges

junction capacity C

not temperature dependant

no turn on overvoltage peak

GaAs Schottky Diode

Outlines TO-252

1 Anode

2 NC

3 Anode

4 Cathode

Dim.

Millimeter

Inches

Min.

Max.

Min.

Max.

A

2.19

2.38

0.086

0.094

A1

0.89

1.14

0.035

0.045

A2

0

0.13

0

0.005

b

0.64

0.89

0.025

0.035

b1

0.76

1.14

0.030

0.045

b2

5.21

5.46

0.205

0.215

c

0.46

0.58

0.018

0.023

c1

0.46

0.58

0.018

0.023

D

5.97

6.22

0.235

0.245

D1

4.32

5.21

0.170

0.205

E

6.35

6.73

0.250

0.265

E1

4.32

5.21

0.170

0.205

e

2.28 BSC

0.090 BSC

e1

4.57 BSC

0.180 BSC

H

9.40 10.42

0.370

0.410

L

0.51

1.02

0.020

0.040

L1

0.64

1.02

0.025

0.040

L2

0.89

1.27

0.035

0.050

L3

2.54

2.92

0.100

0.115

Outline TO-220

Dim.

Millimeter

Inches

Min.

Max.

Min.

Max.

A

12.70

13.97

0.500

0.550

B

14.73

16.00

0.580

0.630

C

9.91

10.66

0.390

0.420

D

3.54

4.08

0.139

0.161

E

5.85

6.85

0.230

0.270

F

2.54

3.18

0.100

0.125

G

1.15

1.65

0.045

0.065

H

2.79

5.84

0.110

0.230

J

0.64

1.01

0.025

0.040

K

2.54

BSC

0.100

BSC

M

4.32

4.82

0.170

0.190

N

1.14

1.39

0.045

0.055

Q

0.38

0.56

0.015

0.022

R

2.29

2.79

0.090

0.110