STTH30L06WY

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The STTH30L06WY, categorized as a Diode - Rectifier - Single, is a low VF, low IR technology optimized for the most popular SMPS topologies, like the PFC boost, flyback and half-bridge stages. This diode can be used in a wide range of power supply designs found in servers, CooPs, TV, and other home and office appliances. This diode is especially used in power supplies for medium power designs with switching frequencies of up to 1 MHz. It has a maximum repetitive rating of 30 amperes and a peak non-repetitious surge current rating of 150 amperes.

STTH30L06WY works on the principle of PN-junction diode. The diode is formed by joining two substances with different electrical conduction properties, such as P-type and N-type semiconductor. The P-type region is called the anode and the N-type region is called the cathode. An electric field is created near the PN junction, that results in a barrier such that electrical current is conducted only when a voltage is applied in a forward direction, i.e., when the anode is more positive than the cathode. When in the reverse direction, the diode acts as an open switch and does not allow current to flow.

The main features of the STTH30L06WY which makes it suitable for wide range of switching power supply applications are :

• Low forward voltage drop - VF of Typ. 0.74V at IF of 30A V.
• Low reverse leakage current - IR of Typ. 10µA at VF =25V.
• High reliability.
• High current capability.
• High surge current capability.

STTH30L06WY can be used in many applications due to its low forward voltage drop, low reverse leakage current, high reliability and high current/surge current capability. It is used primarily in the power factor correction (PFC) boost and flyback stages of the switch mode power supply circuit and half-bridge stages of motor control in the motor induction control. It can also be used in AC-DC converters, battery chargers and DC-DC converters. It is also suitable for UPS, LED lighting, and other home appliances.

STTH30L06WY uses a planar passivated chip for high reliability. The chip is isolated from the substrate, which helps it to withstand high voltages. Its flat base plate, small area and low thermal resistance make it suitable for devices operating with limited board space, high currents, and maximum power dissipation. In addition, it eliminates the need for through-hole connections and has increased performance in high frequency applications because of the thin, small and planar design.

In summary, the STTH30L06WY is a suitable diode for most popular SMPS topologies and is used in a variety of applications including power factor correction, half-bridge stages of motor control, UPS, LED lighting, and other home appliances due to its low VF, low IR, high reliability and high current ratings. The flat base plate, small area and low thermal resistance also provide advantages in applications with limited board space and maximum power dissipation.

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