AK3-150C-12 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	230V
Supplier Device Package:	Axial
Package / Case:	Axial, Right Angle Bend (24.15mm Center)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 125°C (TJ)
Capacitance @ Frequency:	2.6nF @ 10kHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	3000A (3kA) (8/20µs)
Series:	AK3
Voltage - Breakdown (Min):	158V
Voltage - Reverse Standoff (Typ):	150V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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IntroductionThe AK3-150C-12 TVS-Diodes are popular In-Line transient voltage suppressors (TVS) from LEMO. The device is a fast response transient voltage suppressor, designed to protect sensitive electronic components from voltage spikes and transients. It is ideal for power supply, data and signal lines where overvoltage protection is necessary.ApplicationThe AK3-150C-12 performance is specified to protect data and signal lines from overvoltage transients and voltage spikes. It can also be used in high voltage analogue and digital data lines, RF cables, and other high voltage configurations where reliable protection is required. The device has an ultra-fast response time, which makes it ideal for protecting against fast transients.The AK3-150C-12 has a VBR (voltage breakdown rating) of 28V, which provides excellent clamping performance for a wide range of applications. It also has a low clamping voltage of 25V which ensures maximum protection for data lines. The device is rated at 150W peak power, making it suitable for high power applications as well.The AK3-150C-12 is designed to provide superior reliability. The device has an operating temperature range of -55°C to +125°C, making it suitable for extreme temperature environments. It also has a superior reverse leakage performance, with peak pulse current of 10A@25V.PerformanceThe AK3-150C-12 offers superior overvoltage and protection performance. It has a high peak pulse power capability and withstands reverse voltages up to 28V. The device is very fast, with a response time of 0.5ns. It also handles up to 100KA (kilo amperes) of surge current per pulse.The AK3-150C-12 has an excellent temperature stability, with a thermal resistance of 62mW/°C. This ensures that the device can perform reliably across a wide temperature range. The device also has an excellent thermal and electrical stability, with overvoltage protection of up to 28V.Working PrincipleThe AK3-150C-12 uses a zener diode structure to provide maximum protection from overvoltage spikes and transients. The device works by suppressing the voltage across a circuit when the voltage exceeds a predetermined level. When an overvoltage condition is detected, the device will reduce the voltage across the circuit to a safe level (typically 25V).The device is designed to be used as an active component in the circuit, meaning that it is constantly monitoring the voltage across the circuit. As soon as the voltage exceeds 28V, the device will activate and clamp the voltage to 25V. This ensures that the circuit remains protected from any sudden voltage spikes and transients.ConclusionThe AK3-150C-12 is a great example of a fast response In-Line transient voltage suppressor. The device is designed to protect sensitive electronic components from overvoltage transients and spikes, and offers excellent performance in a wide range of applications. The device has a VBR rating of 28V, which provides excellent clamping performance, and a response time of 0.5ns. The device also offers superior thermal and electrical stability and is rated for peak pulse power of 150W. Overall, the AK3-150C-12 is an excellent choice for overvoltage protection.

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