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Fabricante

OPI150TXV
(Rev.:2010)

Optically Coupled Isolator / High-Speed Optically Coupled Isolator

TT Electronics. 

Optically Coupled Isolator /

High-Speed Optically Coupled Isolator

OPI150, OPI153, OPI155

Features:

• 50 kV electrical isolation

• Choice of phototransistor or photodarlington output

• High speed >5 MBd (OPI155)

• Hermetically sealed LED and photosensor

• Base contact lead for conventional transistor biasing

• TX and TXV process available (see Hi-Rel section)

Product Photo Here

Description:

Each OPI150 and OPI153 is an optically coupled isolator that contains an infrared emitting diode and a NPN

silicon phototransistor (OPI150) or photodarlington (OPI153), each sealed in an individual hermetically sealed

package. The diode and phototransistor or diode and photodarlington are then optically coupled by means of a

light pipe and mounted in a high dielectric plastic housing. These devices are designed for applications that

require very high isolation between input and output.

The OPI155 is a high-speed optical coupled isolator that contains a high speed monolithic photo-IC comprised of a

photodiode and a DC amplifier that drives an open collector output Schottky transistor. It is optically coupled by

means of an internal light pipe. The LED and sensor are both in separate hermetically sealed packages that are

then mounted in a high dielectric plastic housing. This device is designed for applications that require high speed

and high voltage isolation between the input and output.

TX and TXV devices are available. Please contact your local representative or OPTEK for more information.

Applications:

• Requiring high voltage isolation

between input and output

• Electrical isolation in dirty environments

• Industrial equipment

• Medical equipment

• Office equipment

OPI150

1

3

4 - Base

Part

Number

OPI150

OPI153

OPI155

LED

Peak

Wavelength

890 nm

890 nm or 935

nm

890 nm

Ordering Information

Sensor

Isolation

Voltage CTR

IF (mA)

(,000) Min / Max Typ / Max

Transistor

10 / NA 16 / 50

Darlington 50

25 / NA 30 / 50

TIA –OC

80 / NA 10 / 50

VCE

(Volts)

Max

30

15

18

Lead

Length /

Spacing

0.40" /

3.16"

2

5

RoHS

OPI153

OPI155

1

4

DIMENSIONS ARE IN:

[MILLIMETERS]

INCHES

5 Pin # LED Pin # OPI150 & OPI153 Pin #

1 Anode 3

Collector

3

2 Cathode 4

Base

4

2

3

5

Emitter

5

OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.

OPI155

Ground

Vcc

Output

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

Issue C 10/2010

Page 1 of 3

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