Siemens MCT6 Datasheet

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MCT6

DUAL PHOTOTRANSISTOR

OPTOCOUPLER

FEATURES

• Current Transfer Ratio, 20% Minimum

• Two Isolated Channels Per Package

• Isolation T ext V oltage, 5300 VA C

RMS

• Underwriters Lab File #E52744

• VDE #0884 Available with Option 1
DESCRIPTION

The MCT6 is an industry standard dual optocoupler
consisting of a Gallium Arsenide infrared LED and a
silicon phototransistor. The MCT6 is constructed
with a high voltage insulation, double molded pack­aging process which offers 5300 VAC

RMS

isolation

test capability.

Maximum Ratings
Emitter (each channel)

Reverse Voltage................................................. 3 V

Continuous Forward Current.........................60 mA

Power Dissipation at 25 °
Derate Linearly from 25 °

C Ambient...........100 mW

C ..................... 1.3 mW/ ° C

Detector (each channel)

Collector-Emitter Breakdown Voltage...............30V

Emitter-Collector Breakdown Voltage.................6V

Power Dissipation at 25 °
Derate Linearly from 25 °

C Ambient...........150 mW

C ........................ 2 mW/ ° C

Package

Total Package Dissipation

at 25 °

C (LED + Detector). ..................... 400 mW

Derate Linearly from 25 °

Storage Temperature ..................–55 °

Operating Temperature ...............–55 °

Lead Soldering Time at 260 °

Isolation Test V oltage....................... 5300 VAC

C ................... 5.33 mW/ ° C

C to +150 ° C
C to +100 ° C

C ....................10 sec.

RMS

Pollution Degree (DIN VDE 0110)......................... 2

Isolation Resistance

V

=500 V, T

IO

V

=500 V, T

IO

=25 ° C..........................R

A

=100 ° C........................R

A

IO
IO

=10
=10

12

Ω

11

Ω

Dimensions in inches (mm)

34

268 (6.81)
255 (6.48)

7

6

5

.390 (9.91)
.379 (9.63)

.045 (1.14)
.030 (.76)

4° Typ.

.022 (.56)
.018 (.46)

.100 (2.54) Typ.

Electrical Characteristics (T

Symbol Min. Typ. Max. Unit Condition

Emitter

Forward Voltage V
Reverse Current I
Junction Capacitance C

Detector

Breakdown Voltage
Collector-Emitter BV

Emitter-Collector BV

Package

F

R

J

CEO

ECO

Pin One I.D

12

8

.150 (3.81)
.130 (3.30)

Anode
Cathode
Cathode

Anode

1
2
3
4

.305

(7.75) Typ.

8

Emitter

7

Collecto

6

Collecto

5

Emitter

.135 (3.43
.115 (2.92

.040 (1.02)
.030 (.76 )

10° Typ.

3°–9°

.012 (.30)
.008 (.20)

=25 ° C)

A

1.5 V I

1.1

10

25 pF V

30 V I

6VI

µ AV

=20 mA

F

=3 V

R

=0 V,

F

f=1 MHz

=10 µ A,

C

I

=0 mA

F

=10 µ A,

E

I

=0 mA

F

DC Current
Transfer Ratio CTR

Saturation Voltage,
Collector-Emitter V

Switching Times t

CEsat

on 3

t

off

DC

20 50

0.4

15

%V

VI

sR

µ

µ sI

=10 V,

CE

I

=10 mA

F

=2 mA,

CE

I

=16 mA

F

=100 Ω ,

E

V

=10 V

CE

=2 mA

C

5–1

Figure 1. Forward voltage versus forward current

1.4

1.3

Ta = -55°C

1.2

1.1

Ta = 25°C

1.0

0.9

Ta = 85°C

0.8

VF - Forward Voltage - V

0.7

100101.1

IF - Forward Current - mA

Figure 2. Normalized non-saturated and saturated CTR

= 25 ° C versus LED current

at T

A

1.5
Normalized to:

 Vce = 10V, IF = 10mA
 Ta = 25 °C

1.0

 CTRce(sat) Vce = 0.4V

0.5

NCTR(SAT)

NCTR - Normalized CTR

0.0

IF - LED Current - mA

NCTR

100101.1

Figure 3. Normalized non-saturated and saturated
CTRat T

= 50 ° C versus LED current

A

1.5

Normalized to:
 V ce = 10V, IF = 10mA
 Ta = 25 °C

1.0

 CTRc e(sat) Vc e = 0.4V

Ta = 50°C

0.5

NCTR(SAT)

NCTR - Normalized CTR

NCTR

0.0

100101.1

IF - LED Current - mA

Figure 5. Normalized non-saturated and saturated CTR
at T

= 85 ° C versus LED current

A

1.5
Normalized to:

Vce = 10V, IF = 10mA, Ta = 25°C
CTRce(sat) Vce = 0.4V

1.0

0.5

Ta = 85°C

NCTR(SAT)

NCTR - Normalized CTR

0.0

NCTR

100101.1

IF - LED Current - mA

Figure 6. Collector-emitter leakage current ver sus tem­perature and LED current

35
30

25
20

15
10

5
0

Ice - Collector Current - mA

50°C

25°C

85°C

IF - LED Current - mA

70°C

6050403020100

Figure 7. Collector-emitter leakage current versus
temperature

5

10

4

10

3

10

2

10

1

10

0

10

-1

10

Iceo - Collector-Emitter - nA

-2

10

T

Ta - Ambient Temperature - °C

Ta - Ambient Temperature - °C

TYPICAL

Vce = 10V

100806040200-20

Figure 4. Normalized non-saturated and saturated CTR
at T

= 70 ° C versus LED current

A

1.5
Normaliz ed to:

 Vce = 10V, IF = 10m A
 Ta = 25 °C

1.0
 CTR ce(s at) Vce = 0.4V

0.5
Ta = 70°C

NC TR(SAT)

NCTR - Norm alized CT R

0.0

NCTR

10 0101.1

IF - LED Current - mA

5–2

Figure 8. Propagation delay versus collector load
resistor

tpLH - Propaga tion Delay - µs

1000

Ta = 25°C, IF = 10mA
Vcc = 5 V, Vth = 1.5 V

tpHL

100

10

tpLH

1

RL - Collector Load Resis tor - KΩ

2.5

2.0

1.5

1.0

100101.1

tpLH - Propagation De lay - µs

MCT6