B511-2 Allicdata Electronics
Allicdata Part #:

CC2603-ND

Manufacturer Part#:

B511-2

Price: $ 22.05
Product Category:

Discrete Semiconductor Products

Manufacturer: Sensata-Crydom
Short Description: MOD DIODE SCR 25A 120VAC ISO QC
More Detail: SCR Module 400V Bridge, Single Phase - SCRs/Diode...
DataSheet: B511-2 datasheetB511-2 Datasheet/PDF
Quantity: 10
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: $ 20.04660
10 +: $ 19.10160
50 +: $ 18.22590
100 +: $ 17.69680
Stock 10Can Ship Immediately
$ 22.05
Specifications
Series: --
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Structure: Bridge, Single Phase - SCRs/Diodes (Layout 1)
Number of SCRs, Diodes: 2 SCRs, 2 Diodes
Voltage - Off State: 400V
Voltage - Gate Trigger (Vgt) (Max): 2.5V
Current - Gate Trigger (Igt) (Max): 60mA
Current - Non Rep. Surge 50, 60Hz (Itsm): 250A @ 60Hz
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Chassis Mount
Package / Case: Module with Isolation Barriers
Description

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Thyristors - SCRs - Modules are semiconductor devices widely used for controlling for controlling power in accordance with a control signal. Specifically, B511-2 is a special type of Thyristor-SCR module that is widely used in modern applications. This article takes a closer look at the applications and working principle of this SCR module.

B511-2 Applications

B511-2 is commonly used in various power control applications such as AC and DC motor control, Power supply switching, automotive ignition systems and various lighting control circuits. In motor control applications, B511-2 is aimed to regulate motor speed, torque and power as well as switching the motor on and off. Similarly, B511-2 can be employed in lighting applications where it can provide dimming and switching capabilities. Moreover, the B511-2 can also be used in various other power control applications such as SCR based UPS, power supply systems and power factor controllers which are used for improving power factor and thereby saving plenty of energy.

B511-2 Working Principle

The B511-2 is an SCR based module composed of several thyristors. Each thyristor in the B511-2 module is triggered independently by a control signal. This control signal can be either an electrical signal or a combination of thermal and electrical signals. The electrical control signal is sent through the gate terminal of the module and the temperature control is usually monitored by mounting a thermistor directly on the module. The triggering of each thyristor occurs when the control signal reaches predetermined thresholds.

When a thyristor is triggered, it becomes forward biased, thus allowing current to flow through it. This current then forwards the trigger signal to other thyristors in the device. In a way, the triggered thyristor acts as a switch that can open and close the circuit by providing either an open circuit or a closed circuit situation. This allows for a greater power control in electrical devices.

Conclusion

The B511-2 is a versatile SCR module used for various power control applications. The various applications of this module include motor control, power factor controllers, UPS and lighting control. In terms of working mechanism, the B511-2 is composed of several thyristors which are triggered by either electrical or thermal signals. The thyristors then become forward biased and act as switches to provide greater power control. This article has provided the reader with a basic overview of the B511-2 SCR module and its various applications and working mechanism.

The specific data is subject to PDF, and the above content is for reference

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