SMAJ170A-E3/5A

Current - Peak Pulse (10/1000µs):	1.09A
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:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	300W
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	275V
Voltage - Breakdown (Min):	189V
Voltage - Reverse Standoff (Typ):	170V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

SMAJ170A-E3/5A is a TVS diode, also known as a Transient Voltage Suppression Diode. It is an important component used in the protection of electronics from transient voltage or overvoltage conditions that may cause failures or damage the electronics. This type of diode is used in various applications, like RF protection, chip protection, phone protection, power supply protection, etc.The SMAJ170A-E3/5A is a surface mount device, making it easier to install and integrate into electronic circuitry, and can withstand operating temperatures ranging from -55ºC to 125ºC, making it suitable for use in a variety of environments.

Application Fields

SMAJ170A-E3/5A is widely used as overvoltage and transient protection in the following fields:

• RF Protection – It is used in various RF circuits to prevent the damage caused by electrostatic discharge.
• Chip Protection – It can be used in circuits to protect sensitive integrated circuits from voltage spikes caused by static electricity.
• Phone Protection – It can be used in mobile phones by protecting the battery from being damaged by overvoltage conditions.
• Power Supply Protection – It is used to protect power supplies from overvoltage conditions, preventing damage to components and circuits.

Working Principle

The SMAJ170A-E3/5A works on the principle of a Zener diode, where the device will breakdown and divert current when the voltage level across the two pins exceeds its breakdown voltage. This prevents the voltage from exceeding the maximum tolerance level of the electronic components, and diverts the excess current to ground. The diode will also dissipate the excess energy, ensuring that it is not sent back to the power source.

Advantages

The SMAJ170A-E3/5A has a number of advantages that make it the preferred choice for many electronic applications:

• Small Size – The diode is available in a small SMD package, making it easier to integrate into circuits and for device installation.
• High Voltage Rating – The diode can operate at a maximum reverse voltage of 170VAC, making it suitable for use in applications requiring higher voltage protection.
• Low Capacitance – The device has an extremely low capacitance, making it suitable for use in RF and high speed circuits.
• High Operating Temperature – The diode can operate at temperatures ranging from -55ºC to 125ºC, making it suitable for use in a variety of environments.

Conclusion

The SMAJ170A-E3/5A is an important TVS diode that can be used in a variety of applications for providing protection to electronics components from transient voltage or overvoltage conditions. It has a high operating temperature, low capacitance and a high voltage rating, making it a cost effective and reliable solution for many applications.

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

Part Number	Manufacturer	Price	Quantity	Description