SMB8J24CAHE3/5B

Current - Peak Pulse (10/1000µs):	20.6A
Base Part Number:	SMB8J
Supplier Device Package:	DO-214AA (SMB)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	800W
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Clamping (Max) @ Ipp:	38.9V
Voltage - Breakdown (Min):	26.7V
Voltage - Reverse Standoff (Typ):	24V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

TVS - Diodes are a special form of voltage protection devices. They are widely used in many applications ranging from consumer electronics, automotive, medical, and industrial applications. The SMB8J24CAHE3/5B is a transient voltage surge suppressor (TVS) diode which combines high-efficiency clipping with superior thermal performance. This device is designed to provide both robust surge handling capability and low leakage current.

Features and Benefits

The SMB8J24CAHE3/5B TVS diode features an ultra-wide operating voltage range of 6.5 V to 20 V, a low forward voltage drop of 0.7 V typical, and a maximum peak pulse current of 3.75 A. It also features an efficiency rating of just 0.07 ohm, meaning it can handle high pulse current without generating heat. The device has an on-state resistance of 0.9 ohms and a maximum operating temperature of -55C to 125C.The SMB8J24CAHE3/5B also offers superior thermal characteristics, with a low thermal resistance of 0.3C/W and an operating ambient temperature range of -55C to 125C. This diode\'s superior thermal performance enables it to perform in a safe and efficient manner in a wide array of applications.

Applications

The SMB8J24CAHE3/5B TVS diode is widely used in a range of applications due to its superior thermal performance and robust surge handling capability. It is suitable for use in consumer electronics, automotive, medical, and industrial applications, providing protection for handhelds, computers, and other electronic systems from power surges.The SMB8J24CAHE3/5B diode can also be used in automotive and industrial applications to provide protection from voltage spikes caused by inductive loads and dangerous short-circuits. It can even be used in MRI systems, where its superior thermal performance is required to ensure reliable and safe operation.

Working Principle

The SMB8J24CAHE3/5B TVS diode works by using a combination of high-efficiency electrical characteristics and thermal performance. The diode\'s high-efficiency clipping will absorb energy from voltage spikes while its thermal performance ensures reliability in a wide range of applications. This prevents excessive current from entering the system, preventing permanent damage.The SMB8J24CAHE3/5B device also employs a Zener effect, which helps to dissipate excessive voltage by selectively positioning electrons in a diode. This allows the current to be diverted through the Zener region of the diode, which will reduce the voltage of the surge, protecting the system from overload.In addition, the SMB8J24CAHE3/5B diode also has a built-in temperature sensing element that helps to regulate the current flow, ensuring that the device is not damaged by excessive temperatures. This helps to ensure reliable and safe operation even at higher temperatures.

Conclusion

The SMB8J24CAHE3/5B device is an excellent choice for applications requiring robust surge handling capability and low leakage current. Its high efficiency clipping, low forward voltage drop, maximum peak pulse current, and superior thermal performance enable it to protect a range of systems from power surges and dangerous shorts-circuits. The device also employs a Zener effect and a temperature sensing element to help ensure safe operation in a wide variety of applications.

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