30KPA170A-B Circuit Protection

Voltage - Clamping (Max) @ Ipp:	275V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	30000W (30kW)
Current - Peak Pulse (10/1000µs):	110.2A
Series:	30KPA
Voltage - Breakdown (Min):	189.9V
Voltage - Reverse Standoff (Typ):	170V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS-Diodes

Transient voltage suppressors (TVS diodes) are a type of nonlinear voltage regulator that will suppress and clamp unwanted transients and over-voltage surges when connected across a power source. They are used in many applications, including telecommunications, data processing, home and office electronics, automotive and other industrial applications. The 30KPA170A-B is a bidirectional transient voltage suppressor (TVS) diode specifically designed for use in automotive and industrial applications. This device is capable of protecting against unwanted transients and over-voltage surges such as those due to lighting or electrical machinery.

30KPA170A-B Application Field and Working Principle

The 30KPA170A-B is used in a range of automotive and industrial applications, including automotive, battery protection, electrical control systems, power supply systems, and any other system where transient over-voltage protection is required. The 30KPA170A-B is designed to be compatible with a wide variety of automotive and industrial systems, and is rated to protect against low-energy through high-energy transients and over-voltages.The 30KPA170A-B device operates by conducting current when the voltage across the device rises above its breakdown voltage (also known as the clamping voltage). This breakdown voltage is determined by the device’s design. When the voltage is below the breakdown voltage the device does not conduct and effectively acts as an open circuit. When the voltage rises above the breakdown voltage, the device begins to conduct current and will regulate the voltage at the device’s breakdown voltage. This protects the device and the system from transients and over-voltage. The device typically able to clamp to a significantly lower voltage than its breakdown voltage. The lower clamping voltage is due to the device’s capacitance, which limits its ability to conduct current at higher voltages. The 30KPA170A-B is designed to have low capacitance, which helps it maintain a low clamping voltage and high surge current handling capabilities.

Characteristic Specifications

The 30KPA170A-B has an operating breakdown voltage range from 18-34 volts and a surge breakdown voltage range from 26-56 volts. It is rated at 17 amperes peak surge current and 30 watts power dissipation. The device also has a fast response time of 30µs for 1 KV/μs leading edge surge, 60µs for 5 KV/μs trailing edge surge, and 140µs for 8 KV/μs trailing edge surge.The device also has a wide temperature range of -55°C to 150°C and is available in an industry standard DO41-3L package. The device is also designed to withstand mechanical shock, vibration, and other types of environmental stress.

Conclusion

The 30KPA170A-B is an ideal TVS diode for protection against low-energy to high-energy transients and over-voltages in a wide variety of automotive and industrial applications. The device is designed to respond quickly to transients, preventing damages due to over-voltages. It is also rated for 17 amperes peak surge current, 30 watts power dissipation, and a wide temperature range of -55°C to 150°C. The 30KPA170A-B resides in an industry standard DO41-3L package, allowing for easy integration into existing systems.

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