CURRENT LIMITED OVER-VOLTAGE PROTECTED QUAD DIGITAL TERMINATION

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  • The CLT3-4B is a quadruple logic input termination for sensor or mechanical switch interfaces. It is designed to work in 24 VDC applications such as PLCs (programmable logic controllers), PACs (programmable automation controllers) and distributed I/O systems used in factory automation.

    The device optimizes the input VI characteristic to reduce its power dissipation. This becomes critical when the application cabinet or housing requires higher protection levels such as IP65 and IP67. These closed cabinets are used in various automated lines including the food and chemical industry.
    The power dissipated inside the module is very limited as there is usually no air circulation inside the box. The current limitation also reduces the power losses in the sensor.
    The most important aspect of the CLT3-4B is the electrical protection and susceptibility its brings to the application. The CLT3-4B implements efficient protection diodes on each input and supply voltage line. Serial resistors ensure a higher level of susceptibility of the entire input module.
    Thanks to its compact TSSOP20 package CLT3- 4B device occupies very little space on the PCB compared to an equivalent discrete solution.

    Key Features

    • For IEC61131-2 type 1 and 3 inputs
    • Fully integrated internally fixed current limiter
    • 4 input channel topology
    • Wide range supply voltage and temperature operation
    • Optocoupler output drive

Circuit Diagram

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Part Number
Package
Packing Type
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Order from Distributors
Order from ST
CLT3-4BT6 TSSOP 20 Tube
Active
1.1043 100 EAR99 MALAYSIA Check Availability

Distributor availability ofCLT3-4BT6

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 1875 5 Order Now
ARROW EUROPE 1682 0 Order Now
MOUSER WORLDWIDE 882 1 Order Now
Farnell Element14 EUROPE 2570 1 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

RS COMPONENTS

Stock

1875

Min.Order

5

Region

EUROPE Order Now

ARROW

Stock

1682

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

882

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2570

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Buy now
CLT3-4BT6-TR TSSOP 20 Tape And Reel
Active
1.1043 100 EAR99 MALAYSIA Check Availability

Distributor availability ofCLT3-4BT6-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2428 1 Order Now
ARROW EUROPE 7500 0 Order Now
Newark Element14 AMERICA 449 0 Order Now
ARROW AMERICA 12500 2500 Order Now
MOUSER WORLDWIDE 3023 1 Order Now
RUTRONIK EUROPE 27500 2500 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

DIGIKEY

Stock

2428

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

7500

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

449

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

12500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

3023

Min.Order

1

Region

WORLDWIDE Order Now

RUTRONIK

Stock

27500

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Get sample

CLT3-4BT6

Package

TSSOP 20

Packing Type

Tube

Unit Price (US$)

1.1043*

Distributor availability ofCLT3-4BT6

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 1875 5 Order Now
ARROW EUROPE 1682 0 Order Now
MOUSER WORLDWIDE 882 1 Order Now
Farnell Element14 EUROPE 2570 1 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

RS COMPONENTS

Stock

1875

Min.Order

5

Region

EUROPE Order Now

ARROW

Stock

1682

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

882

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2570

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Marketing Status

Active

Unit Price (US$)

1.1043

Quantity

100

ECCN (US)

EAR99

Country of Origin

MALAYSIA

CLT3-4BT6-TR

Package

TSSOP 20

Packing Type

Tape And Reel

Unit Price (US$)

1.1043*

Distributor availability ofCLT3-4BT6-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2428 1 Order Now
ARROW EUROPE 7500 0 Order Now
Newark Element14 AMERICA 449 0 Order Now
ARROW AMERICA 12500 2500 Order Now
MOUSER WORLDWIDE 3023 1 Order Now
RUTRONIK EUROPE 27500 2500 Order Now

Distributor reported inventory date: 2019-09-16

Distributor Name

DIGIKEY

Stock

2428

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

7500

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

449

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

12500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

3023

Min.Order

1

Region

WORLDWIDE Order Now

RUTRONIK

Stock

27500

Min.Order

2500

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-16

Marketing Status

Active

Unit Price (US$)

1.1043

Quantity

100

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
CLT3-4BT6
Active
TSSOP 20 Industrial Ecopack2
CLT3-4BT6-TR
Active
TSSOP 20 Industrial Ecopack2

CLT3-4BT6

Package:

TSSOP 20

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP 20

Grade

Industrial

RoHS Compliance Grade

Ecopack2

CLT3-4BT6-TR

Package:

TSSOP 20

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP 20

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.