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Circuit
Features
Description
Absolute Maximum Ratings
Electrical Characteristics

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MCT6, MCT61, MCT62, MCT66
OPTICALLY COUPLED ISOLATORS

Circuit

Features

2500 V Isolation.
Choice Of 4 Current Transfer Ratios.
Low Cost Dual-In-Line Package.
Two Packages Fit Into a 16 Lead DIP Socket.

Description

The MCT6, MCT62, MCT61 and MCT66 optoisolators have two channels for high density applications. For four channel applications, two-packages fit into a standard 16 pin DIP socket. Each channel is an NPN silicon planar phototransistor optically coupled to a gallium arsenide infrared emitting diode. Surface Mount Option Available.
All electrical parameters are 100% tested by manufacturing. Specifications are guaranteed to a cumulative 0.65% AQL.

Absolute Maximum Ratings (Ta=25°C)

Storage Temperature:
Operating Temperature:
Lead Soldering:
Input-to-Output Isolation Voltage:
-55°C to +150°C
-55°C to +100°C
250°C for 10s, 1.6mm from case
±2500Vdc (note 1)

Input Diode (each channel)

Forward DC Current:
Reverse DC Voltage:
Peak Forward Current:
Power Dissipation:
Derate Linearly:
60mA
3V
3A (1µs pulse, 300pps)
100mW
1.33mW/°C above 25°C

Output Transistor

Collector Current:
Power Dissipation:
Derate Linearly:
30mA
150mW
2.00mW/°C above 25°C

Coupled

Input to Output breakdown Voltage:
Total Package Power Dissipation:
Derate Linearly:
2500Vrms
400mW
5.33mW/°C above 25°C

Electro-optical Characteristics (Ta=25°C)

INPUT DIODE PARAMETER CONDITIONS MIN TYP MAX UNIT
VF Rated Forward Voltage IF=20mA
1.25 1.5 V
VR Forward Current IR=10µA 3 25
V
IR Reverse Current VR=3.0V
0.001 10 µA
CJ Junction Capacitance VF=0V
50
pF
OUTPUT TRANSISTOR (IF=0)
BVCEO Collector-Emitter Voltage IC=1mA 30 35
V
BVECO Emitter-Collector Voltage IE=100µA 6 13
V
ICEO Leakage Current, Collector-Emitter VCE=10V
5 100 nA
CCE Capacitance Collector-Emitter VCE=0V
8
pF
COUPLED
IC/IF DC Current Transfer Ratio




MCT6 VCE=10V, IF=10mA 20

%
MCT66 6

%
MCT61 VCE=5V, IF=5mA 50

%
MCT62 100

%
VCE(SAT) Collector-Emitter Saturation Voltage




MCT6, 61, 62 IC=2mA, IF=16mA
0.2 0.4 V
MCT66 IC=2mA, IF=40mA
0.2 0.4 V
SWITCHING TIMES

Non-saturated rise time, fall time IC=2mA, VCE=10V,
2.4
µs

(Note 2) RL=100ohm




Non-saturated rise time, fall time IC=2mA, VCE=10V,
15
µs

(Note 2) RL=1kohm




Saturated turn-on time(5V - 0.8V) RL=2kohm, IF=40mA
5
µs

Saturated turn-off time (from saturation to 2.0V) RL=2kohm, IF=40mA
25
µs
BW Bandwidth IC=2mA, VCC=10V,
150
kHz


RL=100ohm



ISOLATION CHARACRERISTICS
BVI-O Isolation Voltage t=1 min 2500

VRMS
RI-O Isolation Resistance, MCT6X VI-O=500Vdc 1E11

ohm

Breakdown Voltage channel-to-channel MCT6X Relative Humidity=40%, f=1MHz
500
VDC

Capacitance between channels

0.4
pF

Notes

1.
2. The frequency at which ICis 3dB down from the 1kHz value.

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