MA1.5KE220A

Voltage - Clamping (Max) @ Ipp:	328V
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:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	4.6A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	209V
Voltage - Reverse Standoff (Typ):	185V
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 – MA1.5KE220A Application Field and Working Principle

TVS (Transient Voltage Suppressors) Diodes, also known as Transient Voltage Surge Suppressors or Transil, is a class of protective device whose purpose is to protect sensitive electronic components from overvoltage damage. These diodes have large reverse breakdown voltage ratings, meaning they can safely handle large voltage surges without permanently shutting down. MA1.5KE220A is one of the most popular diode from the family of TVS Diodes, which is suitable for use in a wide variety of applications.

The MA1.5KE220A diode is a general purpose TVS rated for use in hard-tobreak-over applications up to 200 volts. This diode’s maximum power dissipation rating is 150 watts, which enables high power capability. MA1.5KE220A is designed to respond quickly to fast, large transient voltage surges while providing excellent reliability. The diode has an ESD (electrostatic discharge) protection that protects it against ESD surges up to 8 kV. The working principle behind the construction of this diode is that it is a voltage-controlled bidirectional clamping device connected in parallel with the voltage spike source to be protected. When the applied voltage exceeds its breakdown voltage, the MA1.5KE220A diode will quickly clamp down to the breakdown voltage, dissipating the spike and providing protection to the circuit.

The MA1.5KE220A diode has numerous practical applications. It can be used to protect power supplies, protect automotive electronics, protect data lines, and more. It can also be used to switch DC signals, isolate low voltage circuits from higher voltage circuits, and provide voltage regulation. This diode is widely used in consumer appliances, telecommunication, computer, and automotive industries due to its high power capability, fast response times, high reliability, and low cost. It is also an excellent choice for applications requiring robust transient voltage protection such as high power LED lighting, battery chargers, and solar inverters.

In conclusion, the MA1.5KE220A is a versatile diode designed for use in a wide range of applications. Its high working voltage and power ratings enable it to protect against high voltage surges while its ESD protection ensures reliable operation. It is an excellent choice for protecting circuits from transient voltage spikes and can be used for switching, isolation, and voltage regulation. Its low cost and wide availability make it an attractive option for electrical engineers.

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