BT151S-650L,118

Current - Hold (Ih) (Max):	20mA
Base Part Number:	BT151
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
SCR Type:	Standard Recovery
Current - Non Rep. Surge 50, 60Hz (Itsm):	120A, 132A
Current - Off State (Max):	500µA
Series:	--
Current - On State (It (RMS)) (Max):	12A
Current - On State (It (AV)) (Max):	7.5A
Voltage - On State (Vtm) (Max):	1.75V
Current - Gate Trigger (Igt) (Max):	5mA
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Voltage - Off State:	650V
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Thyristors - SCRs

The acronym SCR stands for Silicon Controlled Rectifier, and are sometimes referred to as a thyristor. SCR\'s are made up of four layers of alternating n-type and p-type materials, which when connected in the right configuration, act as a switch. The BT151S-650L is a specific type of SCR and is used in a variety of applications.

Application Field

SCRs are commonly used in AC to DC power converters such as AC motor drives and AC inverters. The BT151S-650L is a high power handling type of SCR which is well suited for these applications. It is also very reliable and can handle a large amount of current, making it an ideal choice for these types of converters. It can also be used in temperature control circuits, overvoltage control circuits, and EMI filters. In addition, it is commonly used in high voltage power supplies, as it is able to handle a large amount of current without being damaged.

Working Principle

The BT151S-650L SCR works by using a combination of positive and negative voltage. When positive voltage is applied, the SCR gate is positively charged and the N and P channels of the SCR open up, allowing current to flow. When negative voltage is applied, the SCR gate is negatively charged, and the N and P channels of the SCR close, preventing current from flowing.This type of SCR is also able to detect overvoltage and react to it by turning on the N and P channels, allowing current to flow through them. This helps to protect circuits, as it prevents an unexpected spike of current.

Conclusion

The BT151S-650L SCR is a highly reliable type of thyristor which is widely used in AC to DC power converters, temperature control circuits, overvoltage control circuits, EMI filters, and high voltage power supplies. It works by using a combination of positive and negative voltage to control the flow of current. Thanks to its high power handling ability and reliable design, the BT151S-650L is a popular choice of thyristor for these applications.

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