SSL34HR7G

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Diodes - Rectifiers - Single

The SSL34HR7G is a single rectifier diode, typically used for rectifying alternating current (AC) power into direct current (DC) power in applications such as AC-to-DC converters and motor controllers. It is a lightweight, light-load fast recovery rectifier, suited for use in high frequency circuits. It is also used in other power conversion applications, such as EMI filters, surge suppressors, and in power factor correction circuits. The package style of the diode is SMA, meaning that it is a surface mount device.

The SSL34HR7G has a reverse blocking voltage, also known as its peak inverse voltage (PIV), of 400 Volts. Its forward current is rated at 3.4 Amps. Its forward voltage drop is 0.72 V, representative of its maximum forward-bias voltage. Its reverse recovery time is 50 ns, making it a fast recovery diode, and its maximum reverse voltage leakage current is 0.5 microamperes. Its peak surge current qualification is 40 Amperes, making it suitable for use in a variety of application circuits.

The working principle of the SSL34HR7G is an intrinsic property of the p-n junction of a silicon semiconductor. In its normal state, the “p” side of the semiconductor is positively charged, and the “n” side is negatively charged, thus forming a potential barrier between them. When a sufficient forward bias is applied to the diode, this barrier is overcome, and the electrons from the “n” side are allowed to flow freely through the diode junction, resulting in current flow.

When the forward bias is removed, the p-n barrier is re-established, and the electrons flow back to the “n” side, thus blocking current flow in the opposite direction. This is the basic principle of rectification, in which an AC input voltage is converted to a DC output voltage, allowing the diode to function as a rectifier. There are many different types of diodes available, each suited to a specific application; the SSL34HR7G is an efficient and reliable single rectifier diode, making it suitable for use in many power conversion circuits.

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