AOZ8234DI Circuit Protection

Voltage - Clamping (Max) @ Ipp:	15V
Supplier Device Package:	6-DFN (1.45x1.0)
Package / Case:	6-UFDFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Capacitance @ Frequency:	13.5pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	4A (8/20µs)
Series:	--
Voltage - Breakdown (Min):	6V
Voltage - Reverse Standoff (Typ):	5V (Max)
Unidirectional Channels:	4
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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<div><p>The AOZ8234DI is a unidirectional, low-capacitance, bi-directional TVS (transient voltage suppressor) diode, designed to protect sensitive equipment from nearby high energy discharges such as those experienced in the automotive, industrial, telecom and datacom market segments. It has a working voltage range of 8 to 12 volts and a hold-over voltage of 10 volts. The device is available in both 3-pin (SOD-123) and 5-pin (UDFN) packages, making it ideal for space-constrained designs. The AOZ8234DI provides robust ESD (electrostatic discharge) and surge protection for microcontrollers, ASICs, FPGAs, optoelectronics and other sensitive electronics.</p><p>The AOZ8234DI\'s working principle is based on the concept of voltage clamping. When a transient voltage spike occurs, the device quickly clamps the voltage to a safe level in a fraction of a second. This prevents damage to the protected electronics, as well as disruption of normal operation. This voltage clamping is achieved through the use of an N-channel MOSFET and several bypass diodes. The N-channel MOSFET allows the device to quickly clamp and dissipate the incoming voltage, while the bypass diodes act as supplementary protection for transient voltages that may be slightly too high for the N-channel MOSFET alone. The device has a very low capacitance of just 10pF, making it suitable for fast-switching applications.</p><p>The AOZ8234DI is suitable for a wide range of applications, including automotive systems, electric vehicles, industrial equipment, HVAC, smart meters, and telecommunications systems. It can be used to protect components such as microcontrollers, ASICs, FPGAs, optoelectronics, and other sensitive electrical components from voltage fluctuations and ESD strikes. In automotive applications, it is used to protect low-energy electronics and optoelectronic components from the high-energy discharge from the battery. In industrial applications, it is used to protect motors, relays, and other sensitive electrical components from voltage fluctuations caused by welding, assembly operations, and other high-energy processes.</p><p>In addition to its low capacitance and fast clamping times, the AOZ8234DI also offers an integrated overvoltage discharge circuit. This circuit ensures that any overvoltages above the breakdown voltage are quickly and safely dissipated. It also has reverse polarity protection, which prevents reverse voltage from damaging the component. The device has a peak pulse power rating of 1500W, making it suitable for use in high-power applications. The AOZ8234DI also offers a high temperature range of -55 to + 125 °C, making it suitable for harsh environment applications.</p><p>Overall, the AOZ8234DI is a versatile and reliable transient voltage suppressor diode that offers optimal ESD and surge protection for sensitive electronics and optoelectronics. Its wide range of features, including low capacitance, high peak power rating and integrated overvoltage discharge circuit make it a perfect fit for the automotive, industrial, telecom and datacom market segments.</p></div>

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