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3N243

Description
OPTOISOLATOR 1KV TRANS TO72-4
CategoryLED optoelectronic/LED   
File Size1MB,17 Pages
ManufacturerTT Electronics
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3N243 Overview

OPTOISOLATOR 1KV TRANS TO72-4

3N243 Parametric

Parameter NameAttribute value
Number of channels1
Voltage - Isolation1000VDC
Current transfer ratio (minimum value)15% @ 10mA
Current transfer ratio (maximum)-
Open/close time (typ.)-
Rise/Fall Time (Typical)10µs, 10µs (maximum)
input typeDC
Output typetransistor
Voltage - Output (maximum)30V
Current - Output/Channel30mA
Voltage - Forward (Vf) (Typical)1.3V (maximum)
Current - DC Forward (If)40mA
Vce saturation value (maximum value)300mV
Operating temperature-55°C ~ 125°C
Installation typeThrough hole
Package/casingTO-206AF, TO-72-4 metal can
Supplier device packagingTO-72-4
OPIA814, OPIA815, OPIA817
OPIA1210, OPIA4010
DIP Package
Features:
5,000 Vrms electrical isolation
Choice of a Single and Dual LED
Phototransistor or Photodarlington Sensor
Low-cost plastic Dual-In-Line (DIP) package
UL Certification No: E58730
VDE No
:
40026625 40026536, 40026654
Approval Agency:
Description:
The OPIA series optocouplers are designed for applications that use an analog output (Phototransistor or
Photodarlington) in a dual-in-line package. A wide selection of configurations are available. With typical isolation
voltage of 5,000 Volts(RMS), these products meet typical power system isolation requirements.
Theory of operation: The LED transmitter is used to illuminate the Photosensor 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 5,000 volts(RMS). A variety of LED and photosensor
configurations are available depending on the system requirements.
The ratio Current Transfer Ratio (CTR) is determined by using the output current and input current for analog
photosensors. CTR ratios can range from as low as 5 to over 9,000 depending on the device.
CTR
=
Photosenso
r
Current
LED
Current
=
20
mA
* 100
=
200
10
mA
All DIP product is shipped in a shipping tube with “TU” identified on the end of the part number.
Example: OPIA817DTUE is a 4-Pin DIP shipped in a tube (TU).
Applications:
High voltage isolation: 5,000 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 A.5
8/09
Page 1 of 17
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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