SA45CAHB0G

Voltage - Clamping (Max) @ Ipp:	72.7V
Supplier Device Package:	DO-204AC (DO-15)
Package / Case:	DO-204AC, DO-15, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	7.2A
Series:	Automotive, AEC-Q101, SA
Voltage - Breakdown (Min):	50V
Voltage - Reverse Standoff (Typ):	45V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The SA45CAHB0G is an ultra-fast, bidirectional transient voltage suppressor (TVS) diode. This device is designed with advanced semiconductor technology which utilizes a high-speed avalanche breakdown to protect sensitive electronic components from over-voltage transients. This diode is capable of providing protection against over-voltage transients up to 15V, and can handle peak pulse currents up to 18A.

Application field

The SA45CAHB0G TVS diode is commonly used in automotive, telecommunications, industrial, consumer, and other applications that require protection from transient voltage or power surges. The diode is ideal for automotive systems, as it offers superior suppression of transients and higher operating temperatures. It can also be applied in industrial applications, such as industrial plant automation, robotics, and motor control systems. It is particularly useful for protecting sensitive electronic components in telecommunications, such as radio cards, base stations, and fibre-optic communications equipment.

Working Principle

The SA45CAHB0G TVS diode works by employing an ultra-fast avalanche breakdown mechanism. This avalanche breakdown mechanism occurs when a high-voltage pulse is applied across the diode, which triggers an avalanche breakdown and initiates a low-impedance current path between the anode and cathode. The anode and cathode are connected internally, and the breakdown voltage is usually lower than the rated breakdown voltage.The SA45CAHB0G TVS diode can handle peak pulse currents up to 18A, and the peak pulse power can reach 750W for a single diode. The breakdown voltage is 15V, and the total capacitance is 0.7pF. The device can operate from -55°C to 150°C, and it can withstand high-temperature soldering methods up to 250°C.

Conclusion

The SA45CAHB0G TVS diode is designed for use in a wide range of automotive, telecommunications, industrial, and consumer applications. Its advanced semiconductor technology provides superior over-voltage protection, and its ultra-fast avalanche breakdown mechanism allows it to handle peak pulse currents up to 18A. It also offers superior temperature performance, with an operating range from -55°C to 150°C, and a maximum soldering temperature of 250°C.

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