ISOCOM LTD: BSI9000 and CECC20000 Approved Manufacturer

Hutton Close, Crowther Ind Est, Washington, Tyne & Wear NE38 0AH, England
Email: enquiry@isocomoptocouplers.com - Tel: +44 (0)191 4166546 - Fax: +44 (0)191 4155055

Circuit
Features
Description
Absolute Maximum Ratings
Electrical Characteristics

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IS3051, IS3052
OPTICALLY COUPLED ISOLATORS

Circuit

Features

Rated Impulse Voltage (Transient Overvoltage)
Insulation Test Voltage (Partial Discharge Test Voltage) VPD=1.6 kV
Creeping Current Resistance according to VDE 0303/IEC 112
Rated Insulation Voltage (RMS includes DC) VIOWM=600 VRMS (848 Vpeak)
Rated Recurring Peak Voltage (Repetitive) VIORM=600 VRMS
Comparative Tracking Index CTI=275

Description

The IS3051 and IS3052 are constructed from a Gallium Arsenide Infrared Emitting Diode and Silicon Triac Bidirectional (double Thytistor) Detector, housed in a plastic package. Surface Mount Option Available.
All electrical parameters are 100% tested by manufacturing. Specifications are guaranteed to a cumulative 0.65% AQL.

Absolute Maximum Ratings

Emitter

Reverse Voltage:
Forward Current:
Forward Surge Current:
Power Dissipation:
Derate Linearly:
Junction Temperature:
6V
60mA
3A
100mW
1.33mW/°C above 25°C
125°C

Detector

Off-State Output Terminal Voltage:
On-State RMS Current:
Peak Surge Current:
Collector Peak On-State Current:
Power Dissipation:
Junction Temperature:
600V
100mA
1.2A
2A
300mW
125°C

Coupled Device (Max)

Total Power Dissipation:
Storage Temperature Range:
Ambient Temperature Range:
Soldering Temperature:
330mW
-55°C to +125°C
-40°C to +100°C
260°C

Electro-optical Characteristics (Ta=25°C)

EMITTER PARAMETER CONDITIONS MIN TYP MAX UNIT
VF Forward Voltage IF=50mA
1.25 1.6 V
VBR Breakdown Voltage IR=10µA 5

V
CJ Junction Capacitance VR=0, f=1MHz
50
pF
DETECTOR
VDRM Off-State Output Terminal Voltage IDRM=100nA 600

V
VTM Peak On-State Voltage ITM=100mA, IFT=30mA
1.5 3 V
dV/dt cr2 Critical Rate of Rise of Off-State-Voltage IF=0, VS=240Vrms
50
V/µs
dV/dt crq2 IF=30mA, VS=60Vrms 0.13 0.25
V/µs
COUPLED PARAMETER CONDITIONS MIN TYP MAX UNIT
IFT Emitter Diode IS3051 VT=6V, RL=150ohm
10 15 mA
Trigger Current IS3052 5 10 mA
IH Holding Current IF>=10mA, VS>=3V 1
mA



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