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OPIA402BTR

Description
Transistor output photocoupler 50ma 20-400crt%
CategoryLED optoelectronic/LED   
File Size2MB,31 Pages
ManufacturerOPTEK(TT Electronics)
Websitehttp://www.ttelectronics.com/optek-technology
Environmental Compliance
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OPIA402BTR Overview

Transistor output photocoupler 50ma 20-400crt%

OPIA401 through OPIA409, OPIA414
SMD, SOP and SSOP Packages
Features:
2,500 or 3,750 Vrms electrical isolation
Choice of a Single and Dual LED
Phototransistor or Photo Darlington Sensor
Low-cost plastic Dual-In-Line (DIP) package
UL Certification No: E58730
VDE No:
40026577(OPIA401-404), 40026553(OPIA405-409)
Agency Approvals:
Description:
The OPIA series optocouplers are designed for applications that use an analog output (Phototransistor or
Photodarlington) in a surface mount package. A wide selection of configurations are available. With typical
isolation voltage of 2,500 or 3,750 Volts(RMS), these products meet typical power system isolation requirements.
Theory of operation: The LED transmitter is used to illuminate the Photo sensor providing electrical isolation
between two power systems while maintaining the ability to transmit information from one power system to the
other. In many applications, analog signal levels may be required to be transmitted between two power systems
while maintaining isolation between the power systems up to 3,750 Volts(RMS). A variety of LED and photo
sensor configurations are available depending on the system requirements.
The Current Transfer Ratio (CTR) is determined using the output current and input current for analog photo
sensors. CTR ratios can range from as low as 5 to over 9,000 depending on the device.
CTR
=
Photosensor
Current
20
mA
=
* 100
=
200
10
mA
LED
Current
All SMD products are shipped in a shipping tube with “TR” identified on the end of the part number.
Example: OPI401ATRE is a 4-Pin SMD shipped in tape and reel (TR)
Applications:
High voltage isolation: 2,500 or 3,750 Volts(RMS)
PCBoard power system isolation
Industrial equipment power isolation
Medical equipment power isolation
Office equipment
RoHS
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
Issue B
9/2010
Page 1 of 31
OPTEK Technology Inc. —
1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

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