IXYS MEO450-12DA Datasheet

Fast Recovery
Epitaxial Diode
(FRED) Module

MEO 450-12 DA V

I
t

RRM

FAVM

rr

= 1200 V
= 453 A
= 450 ns

Preliminary data

V

RSM

V

RRM

Type

3 1

V V

1200 1200 MEO 450-12DA

Symbol Test Conditions Maximum Ratings
I

FRMS

I

ÿÿ

① TC = °C; rectangular, d = 0.5 A

FAVM

I

FRM

I

FSM

I2t TVJ = 45°C; t = 10 ms (50 Hz), sine A2s

T

VJ

T

stg

T

Smax

P

tot

V

ISOL

M

d

d

S

d

A

a Maximum allowable acceleration m/s
Weight g

75 640

TC = °CA

75 453

tP < 10 ms; rep. rating, pulse width limited by T

VJM

TVJ = 45°C; t = 10 ms (50 Hz), sine A

t = 8.3 ms(60 Hz), sine A

TVJ = 150°C; t = 10 ms (50 Hz), sine A

t = 8.3 ms(60 Hz), sine A

2460
4800

5280
4320

4750

A

115200

t = 8.3 ms(60 Hz), sine A2s

TVJ = 150°C; t = 10 ms (50 Hz), sine A2s

t = 8.3 ms(60 Hz), sine A2s

TC = 25°CW
50/60 Hz, RMS t = 1 min V~

I

£ 1 mA t = 1 s V~

ISOL

Mounting torque (M6) Nm/lb.in.
Terminal connection torque (M6) Nm/lb.in.

Creeping distance on surface mm
Strike distance through air mm

117100

93300
94800

-40...+150

-40...+125
110

1750
3000

3600

2.25-2.75/20-25

4.50-5.50/40-48

12.7

9.6

°C
°C
°C

50

150

2

3

1

Features

●

International standard package
with DCB ceramic base plate

●

Planar passivated chips

●

Short recovery time

●

Low switching losses

●

Soft recovery behaviour

●

Isolation voltage 3600 V~

●

UL registered E 72873

Applications

●

Antiparallel diode for high frequency
switching devices

●

Free wheeling diode in converters
and motor control circuits

●

Inductive heating and melting

●

Uninterruptible power supplies (UPS)

●

Ultrasonic cleaners and welders

Advantages

●

High reliability circuit operation

●

Low voltage peaks for reduced
protection circuits

●

Low noise switching

●

Low losses

Symbol Test Conditions Characteristic Values (per diode)

typ. max.

I

R

V

F

V

T0

r

T

R

thJH

R

thJC

t

rr

I

RM

① I

rating includes reverse blocking losses at T

FAVM

Data according to IEC 60747
IXYS reserves the right to change limits, test conditions and dimensions

TVJ = 25°CVR= V
TVJ = 25°CVR= 0.8 • V
TVJ = 125°CVR= 0.8 • V

300 1.51

IF = A; TVJ=125°CV

520 1.76

IF = A; TVJ=125°CV

For power-loss calculations only V

RRM

RRM
RRM

TVJ=25°CV
TVJ=25°CV

1.78

1.96

1.16

1.15

DC current K/W
DC current K/W

600 450 500

IF = A TVJ = 100°Cns

600 110

VR=VT

800 165

-di/dt = A/msTVJ = 100°CA

= 25°CA

VJ

, VR = 0.6 V

VJM

, duty cycle d = 0.5

RRM

0.114

0.071

24

120

mA
mA

6

mA

mW

© 2000 IXYS All rights reserved

Dimensions in mm (1 mm = 0.0394")

749

1 - 2

Z

MEO 450-12 DA

800

A

700
600

I

F

500
400
300

TVJ=125°C

200

TVJ=25°C

100

0

0.0 0.5 1.0 1.5 2.0 2.5
V

F

Fig. 1 Forward current IF versus V

1.4

1.2

K

f

1.0

I

0.8

0.6

RM

Q

r

0.4

0.2

0.0
0 40 80 120 160

°C

T

VJ

Fig. 4 Dynamic parameters Qr, I

versus T

VJ

Q

120

µC

100

r

80

60

TVJ= 100°C
VR = 600V

max.

IF=600A
IF=600A
IF=450A
IF=225A

200

A

TVJ= 100°C

180

VR = 600V

160

I

RM

140

IF=600A

120

IF=600A
IF=450A

100

IF=225A

max.

typ.

80

40

20

typ.

60
40
20

V

100 1000

A/ms

-diF/dt

0

F

Fig. 2 Reverse recovery charge Q

versus -diF / dt

t

rr

2000

ns

µC

1600

max.

TVJ= 100°C
VR = 600V

r

IF=600A

1200

IF=600A
IF=450A
IF=225A

800

0

200 600 10000 400 800

-di

Fig. 3 Peak reverse current I

versus -diF / dt

100

A

V

90
80

V

FR

70
60

t

fr

50
40

TVJ= 125°C
IF = 520A

V

FR

/dt

F

A/ms

RM

2.5
µs

2.0

t

fr

1.5

1.0

30

400

typ.

20

0.5

10

0

200 600 10000 400 800

RM

Fig. 5 Recovery time trr versus -diF / dt Fig. 6 Peak forward voltage VFR and t

-di

A/ms

/dt

F

0

0 400 800 1200

-diF/dt

versus diF / dt

0.0

A/ms

fr

0.14

K/W

0.12

0.10

Z

thJH

thJS

0.08

0.06

0.04

0.02

0.00

0.001 0.01 0.1 1 10

s

t

Fig. 7 Transient thermal impedance junction to case

© 2000 IXYS All rights reserved

Constants for Z

iR

calculation:

thJS

(K/W) ti (s)

thi

1 0.001 0.08
2 0.004 0.024
3 0.027 0.112
4 0.082 0.464

2 - 2