H890R9BDA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	90.9 Ohms
Tolerance:	±0.1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±25ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.098" Dia x 0.283" L (2.50mm x 7.20mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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< div>< p> Through Hole Resistors are widely used in various applications in electronic circuits. The H890R9BDA is a through hole resistor that is used to reduce the presence of AC ripple and noise on the output voltage of high-power DC-DC converters. This resistor is designed to provide excellent performance in applications where large currents are commonly encountered such as automotive electronics, industrial power systems, and battery-backed systems.

< p>The H890R9BDA is a power MOSFET type resistor that features a high-power rating of up to 900 watts. It is designed to have a power dissipation of up to 890 watts in a junction-temperature range of -40°C to +125°C. This makes the H890R9BDA an ideal solution for power applications requiring high-power ratings and long-term reliability.

The working principle of the H890R9BDA is based on the MOSFET technology. The MOSFET (Metal Oxide Semiconductor Field Effect Transistor) is a three-terminal device, consisting of Source, Gate and Drain terminals. The Source and the Drain terminals are connected in series with the load, while the Gate is connected to a voltage source, usually with a negative potential. When a voltage is applied to the Gate terminal, a field is created which modulates the conductivity of the MOSFET, resulting in the desired voltage level. The H890R9BDA resistor is typically used in power circuits to reduce AC ripple and noise on the output voltage.

The H890R9BDA is mainly used in DC-DC converters with high power ratings, as it allows for high power ratings and low EMI (electromagnetic interference) in a small package. It is also used in power circuits of battery-powered devices such as mobile phones and laptops as it can provide higher efficiency and greater reliability even under high loads. Furthermore, the H890R9BDA is often used in industrial applications, like switching power supplies, inverters, relays and motor controllers, as it has a high power dissipation and a wide operating temperature range.

In conclusion, the H890R9BDA is an excellent choice for high-power applications. Its power MOSFET technology, high-power rating and low EMI make it suitable for a wide range of applications in the automotive, industrial and electronic fields. Thanks to its reduced dimensions, it is also suitable for use in small applications with high power ratings.

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