P4SMA68AHE3/5A Circuit Protection

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P4SMA68AHE3/5A belongs to a series of TEES (Transient Voltage Suppressors) – Diodes, applied for transrogation and dumping of transient over-voltages. It is a bidirectional transient voltage suppression diode, with typical clamping voltageof 68V (max. of 73.6V) and breakdown voltage of 14.8V (min. of 8.4V). The TEES – Diodes is applied in technologies and applications, such as consumer electronics, communication equipment, automotive industries and general purpose power supplies.

A TEES – Diode consists of a PN junction diode. It offers a low clamping voltage and fast response time in transrogation of transient excess currents and voltages. During a transient surge, the diode acts essentially as an open circuit, until its break down voltage of 14.8V (min.) is reached and subsequently its clamping voltage of 68V (max.) is reached. The diode then takes the role of a bidirectional shunt device, dumping the excess current by way of it own protection of the connected load.

The P4SMA68AHE3/5A is a unidirectional TEES – Diode with low clamping voltage and fast response time in transrogation of transient excess voltages and currents. It is manufactured in a surface-mount package with a four-pin configuration. Its design has the following features:

• Low clamping voltage: 68V (max. of 73.6V)
• Breakdown voltage: 14.8V (min. of 8.4V)
• Fast response time: 0.2μs
• High transient surge capacity: 350A
• Agency recognized (UL, CSA, VDE).

The P4SMA68AHE3/5A is typically used in consumer electronic products such as notebook computers, motherboards, LCD TVs, digital cameras, portable electronic devices, and other telecommunication products. It is also used in automotive and power supplies. The TEES – Diode provides efficient protection of the connected load from transient over-voltage damaging or burning out. The diode shunts an excess current away from the sensitive components and offers protection in both directions.

The P4SMA68AHE3/5A works by providing a low clamping voltage and fast response time in transrogation of transient excess currents and voltages. During a transient surge, the diode is designed to act essentially as an open circuit, until its breakdown voltage of 14.8V (min.) is reached and subsequently its clamping voltage of 68V (max.) is reached. The diode then assumes the role of a bidirectional shunt device, shunting the excess current away from the connected load. The diode is typically used in conjunction with other components to form a multi-layer surge protection system.

In conclusion, the P4SMA68AHE3/5A is an efficient, unidirectional TEES – Diode, designed for transrogation and dumping of transient over-voltages. It is typically used in consumer electronic products and in automotive and power supplies. The diode offers a low clamping voltage and fast response time in transrogation of transient excess currents and voltages and provides efficient protection of the connected load from transient over-voltage damaging or burning out.

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