MA15KP30CA

Voltage - Clamping (Max) @ Ipp:	50.7V
Supplier Device Package:	DO-204AR
Package / Case:	DO-204AR, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	15000W (15kW)
Current - Peak Pulse (10/1000µs):	296A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	33.3V
Voltage - Reverse Standoff (Typ):	30V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

MA15KP30CA is a iconic TVS (transient voltage suppressor) diode designed to protect sensitive electronic components from transient voltage spikes that may occur in industrial, automotive, and consumer applications. The device, created by NXP Semiconductors, is characterized by low on-state resistance, fast response time, and low clamping voltage.

Application Fields

MA15KP30CA is particularly well-suited for protecting electronic components such as memory chips and microcontrollers in automotive, consumer, and industrial applications. It is also often used in applications where the device must be resistant to the influence of temperature, humidity, and other environmental conditions. Its wide range of operating temperatures—from -55℃ to 175℃—makes it a popular choice for applications exposed to extreme climatic or mechanical stress.It is also suitable for protecting components from ESD (electrostatic discharge) phenomena. The device\'s short response time (0.5 nsec) and low clamping voltage (33.8 V) reduce the risk of disruption or damage to the circuit in cases of ESD attack.

Working Principle

MA15KP30CA consists of two diodes, a thyristor, and a resistor. When a voltage or current surge presents, the thyristor will be turned on, shunting the current away from the device and reducing the voltage along it. During normal operation, the resistor maintains the device in a low power idle state.When a surge voltage reaches its clamping voltage (33.8V for MA15KP30CA), the thyristor will be activated, allowing current to flow through the diode and resistor. This provides a short circuit between the power and ground rail thus decreasing the total voltage in the system. The short circuit is maintained until the surge has passed and the device enters its low power state.

Conclusion

MA15KP30CA is an ideal choice for applications where transient voltage protection is needed. It is especially useful for applications requiring protection from ESD, as its response time and clamping voltage make it well-suited to protect delicate components. Its wide temperature range also makes it a good choice for applications exposed to high temperatures or other environmental pressures.

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