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HomeProductsDiscrete Semiconductor ProductsThyristors - SCRs - ModulesB644-2T
B644-2T Image
Image may be representation.
See specifications for product details.

B644-2T - Sensata-Crydom

Manufacturer Part Number
B644-2T
Manufacturer
Crydom / Sensata Technologies
Allelco Part Number
32D-B644-2T
ECAD Model
Parts Description
MOD DIODE SCR 42.5A 480V .250"QC
Detailed Description
Package
Module
Data sheet
B-2(T) Series Datasheet.pdf
RoHs Status
RoHS Compliant
In stock: 329

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Quantity

Specifications

B644-2T Tech Specifications
Sensata-Crydom - B644-2T technical specifications, attributes, parameters and parts with similar specifications to Sensata-Crydom - B644-2T

Product Attribute Attribute Value  
Manufacturer Crydom / Sensata Technologies  
Voltage - Off State 1.2 kV  
Voltage - Gate Trigger (Vgt) (Max) 3 V  
Structure Bridge, Single Phase - All SCRs  
Series B-2T  
Package / Case Module  
Package Bulk  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of SCRs, Diodes 4 SCRs  
Mounting Type Chassis Mount  
Current - Non Rep. Surge 50, 60Hz (Itsm) 600A @ 60Hz  
Current - Gate Trigger (Igt) (Max) 80 mA  
Base Product Number B644-2  

Parts Introduction

Manufacturer Part Number

B644-2T

Manufacturer

sensata-technologies

Introduction

The B644-2T is a high-performance thyristor module designed for a wide range of industrial applications. It features a single-phase bridge configuration with four SCRs (silicon-controlled rectifiers) for reliable and efficient power control.

Product Features and Performance

High voltage rating of 1.2 kV for off-state operation

Low gate trigger voltage (Vgt) of 3 V and gate trigger current (Igt) of 80 mA for easy control

Capable of handling high non-repetitive surge current (Itsm) of 600A at 60Hz

Wide operating temperature range of -40°C to 125°C (TJ)

Chassis mount design for secure and space-efficient installation

Product Advantages

Robust and reliable performance for industrial applications

Efficient power control with precise trigger parameters

Versatile mounting options for flexible installation

Key Reasons to Choose This Product

Proven reliability and durability for long-lasting operation

Optimal power handling capabilities for demanding applications

User-friendly trigger characteristics for easy integration and control

Quality and Safety Features

Designed and manufactured to high quality standards

Thermal management features to ensure safe operation

Compliance with relevant safety regulations

Compatibility

Suitable for a wide range of industrial applications requiring single-phase AC power control

Application Areas

Motor control

Heating and ventilation systems

Industrial automation and process control

Power supplies and converters

Product Lifecycle

The B644-2T is an obsolete model, and Sensata Technologies may no longer manufacture or support this specific product. Customers are advised to contact our website's sales team for information on available equivalent or alternative models that may better suit their current needs.

Parts with Similar Specifications

The three parts on the right have similar specifications to Sensata-Crydom B644-2T

Product Attribute B644-2T B642-2T B643-2T B611F-2T
Part Number B644-2T B642-2T B643-2T B611F-2T
Manufacturer Sensata-Crydom Sensata-Crydom Sensata-Crydom Sensata-Crydom
Number of SCRs, Diodes 4 SCRs 4 SCRs 4 SCRs 2 SCRs, 2 Diodes
Current - Gate Trigger (Igt) (Max) 80 mA 80 mA 80 mA 80 mA
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Package / Case Module Module Module Module
Base Product Number B644-2 B642-2 - B611F
Voltage - Off State 1.2 kV 600 V 800 V 400 V
Current - Non Rep. Surge 50, 60Hz (Itsm) 600A @ 60Hz 600A @ 60Hz 600A @ 60Hz 600A @ 60Hz
Structure Bridge, Single Phase - All SCRs Bridge, Single Phase - All SCRs Bridge, Single Phase - All SCRs Bridge, Single Phase - SCRs/Diodes (Layout 1)
Mounting Type Chassis Mount Chassis Mount Chassis Mount Chassis Mount
Voltage - Gate Trigger (Vgt) (Max) 3 V 3 V 3 V 3 V
Series B-2T B-2T B-2T B-2T
Package Bulk Bulk Bulk Bulk

B644-2T Datasheet PDF

Download B644-2T pdf datasheets and Sensata-Crydom documentation for B644-2T - Sensata-Crydom.

Datasheets
B-2(T) Series Datasheet.pdf
Other Related Documents
SCR Module Selection Guide.pdf CE Declaration of Conformity.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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B644-2T Image

B644-2T

Sensata-Crydom
32D-B644-2T

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