ISOCOM MCA230, MCA231 Datasheet

7/12/00

MCA230X, MCA231X, MCA255X
MCA230, MCA231, MCA255

OPTICALLY COUPLED ISOLATOR

PHOTODARLINGTON OUTPUT

APPROVALS

l UL recognised, File No. E91231

'X' SPECIFICATION APPROVALS

l VDE 0884 in 2 available lead form :

- - STD

- G form
VDE 0884 inSMD approval pending

l SETI approved, reg. no.151786-18

DESCRIPTION

The MCA230, MCA231, MCA255 series of
optically coupled isolators consist of an infrared
light emitting diode and NPN silicon
photodarlington in a space efficient dual in line
plastic package.

FEATURES

l Options :-

10mm lead spread - add G after part no.
Surface mount - add SM after part no.
Tape&reel - add SMT&R after part no.

l High Current Transfer Ratio

l High Isolation Voltage (5.3kV

l All electrical parameters 100% tested

l Custom electrical selections available

APPLICATIONS

l Computer terminals

l Industrial systems controllers

l Measuring instruments

l Signal transmission between systems of

different potentials and impedances

OPTION SM

SURFACE MOUNT

1.2

0.6

10.2

9.5

1.4

0.9

RMS

OPTION G

0.26

10.16

,7.5kV

5.08
max.

Dimensions in mm

1

2

3

7.8

7.4

1.54

8.8

8.4

2.54

6.4

6.2

4.3

4.1

0.5

0.5

0.3

3.3

9.6

8.4

ABSOLUTE MAXIMUM RATINGS
(25°C unless otherwise specified)

Storage Temperature -55°C to + 150°C
Operating Temperature -55°C to + 100°C
Lead Soldering Temperature
(1/16 inch (1.6mm) from case for 10 secs) 260°C

INPUT DIODE

)

PK

Forward Current 60mA
Reverse Voltage 5V
Power Dissipation 105mW

OUTPUT TRANSISTOR

Collector-emitter Voltage BV

MCA255 55V

CEO

MCA230, MCA231 30V

Collector-base Voltage BV

MCA255 55V

CBO

MCA230, MCA231 30V
Emitter-collector Voltage BV
Power Dissipation 150mW

ECO

POWER DISSIPATION

Total Power Dissipation 250mW
(derate linearly 3.3mW/°C above 25°C)

6

5

4

7V

ISOCOM COMPONENTS LTD

Unit 25B, Park View Road West,

Park View Industrial Estate, Brenda Road

Hartlepool, Cleveland, TS25 1YD

Tel: [phone] Fax :[phone]

ISOCOM INC

1024 S. Greenville Ave, Suite 240,

Allen, TX 75002 USA

Tel: [phone] Fax: [phone]

e-mail [e-mail]

http://www.isocom.com

DB92189-AAS/A2

ELECTRICAL CHARACTERISTICS ( TA = 25°C Unless otherwise noted )

7/12/00

PARAMETER MIN TYP MAX UNITS TEST CONDITION

Input Forward Voltage (VF) 1.2 1.5 V IF = 20mA

Reverse Voltage (VR) 3 V IR = 10µA
Reverse Current (IR) 10 µA VR = 3V

Output Collector-emitter Breakdown (BV

MCA230, MCA231 30 V IC = 100µA (note 2)

CEO

)

MCA255 55 V IC = 100µA (note 2)

Collector-base Breakdown (BV

CBO

)
MCA230, MCA231 30 V IC = 10µA (note 2)
MCA255 55 V IC = 10µA (note 2)

Emitter-collector Breakdown (BV
Collector-emitter Dark Current (I

) 5 V IE = 10µA

ECO

) 100 nA VCE = 10V

CEO

Coupled Collector Output Current ( IC ) (Note 2)

MCA230, MCA255 100 % 10mA IF , 5V V
MCA231 200 % 10mA IF , 5V V

Collector-emitter Saturation VoltageV

CE(SAT)

MCA230, MCA255 1.0 V 50mA IF , 50mA I
MCA231 1.0 V 1mA IF , 2mA I

1.0 V 5mA IF , 10mA I

1.2 V 10mA IF , 50mA I

Input to Output Isolation Voltage V

Input-output Isolation Resistance R

5300 V

ISO

7500 V

10

5x10

ISO

RMS
PK

Ω V

Output Turn on Time ton 10 µs VCC= 2V,RL = 100Ω,
Output Turn off Time toff 100 µs IF = 10mA , fig.1

Note 1 Measured with input leads shorted together and output leads shorted together.
Note 2 Special Selections are available on request. Please consult the factory.

(note 1)
(note 1)

= 500V (note 1)

IO

CE
CE

C

C

C

C

IF = 10mA

Input

VCC = 10V

100Ω

FIGURE 1

Output

Input

Output

10%

90%

t

on

t

r

t

off

t

f

10%

90%

DB92189-AAS/A2