SMAJ30AHE3/61

Current - Peak Pulse (10/1000µs):	8.3A
Base Part Number:	SMAJ
Supplier Device Package:	DO-214AC (SMA)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	400W
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Clamping (Max) @ Ipp:	48.4V
Voltage - Breakdown (Min):	33.3V
Voltage - Reverse Standoff (Typ):	30V
Unidirectional 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 to TVS - Diodes

TVS (Transient Voltage Suppressor) Diodes are a type of semiconductor diode specifically designed to protect against high-power transient voltage surges, also known as ESD (Electrostatic Discharge) and electrical overstress (EOS). They are usually employed in electronic devices and circuits for protection from damaging voltage surges, and are a type of surface mount diode.TVS Diodes are made from semiconductor materials such as silicon, germanium, and gallium arsenide. They feature an on-state voltage drop (VDR) of around 1.2V, and their maximum operating junction temperature (Tjmax) is typically 175 ˚C. Other important features include robust design, low capacitance, and low leakage current.Because of their superior electrical characteristics and protection capabilities, TVS Diodes are widely used in various applications such as automotive, communication systems, industrial controllers, consumer electronics, and telecommunications equipment.

SMAJ30AHE3/61 deivce application field and working principle

The SMAJ30AHE3/61 device is a voltage transient suppressor device typically used for electronic device and circuit protection from power surges. It is a 30V, Low Capacitance, Uni- or Bi-Directional, T-Series TVS Diode. This device is designed for ESD protection applications where a high ESD withstand voltage and low capacitance are required.The SMAJ30AHE3/61 device has a maximum peak pulse power rating of 500W and a operating junction temperature range of -55˚C to +175˚C. In addition, it has a maximum peak pulse current rating of 1.5A and a maximum clamping voltage of 45V. This device offers excellent transient performance with a response time of less than 1ns.The working principle of the SMAJ30AHE3/61 device is as follows: Under normal conditions the device will be non-conducting and no current will flow. When a voltage surge or ESD pulse occurs, the device will turn on and allow a surge current to flow through it. This will result in a clamping or limiting of the surge voltage. As the device is self-resetting after the surge, it will be non-conducting once again.The main applications for the SMAJ30AHE3/61 device include consumer electrionics, telecommunications, automotive and computer applications. It can be used as a protection device for electronic equipment, such as mobile phones, digital cameras, and audio-video equipment from ESD and power surge.

Conclusion

In conclusion, the SMAJ30AHE3/61 is a transistor voltage suppressor device primarily designed for ESD/power surge protection applications. It offers excellent protection features with its 500W peak pulse power rating and 1.5A peak pulse current rating. The device is suitable for various applications including consumer electronics, communications, automotive and computer applications.

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