H811R3BYA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	11.3 Ohms
Tolerance:	±0.1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±15ppm/°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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Introduction

H811R3BYA is a through-hole resistor manufactured by Panasonic. It is designed to provide high power, thermal step down, current limiting, impedance balancing and surge protection in a package 5mo size. This through hole resistor can handle up to 15A of current and is rated for an operating temperature range of -55°C to +150°C.

Application Field

The H811R3BYA through-hole resistor is used in a variety of industries and applications. It is commonly used in consumer appliances, automotive, industrial and military applications. Its small physical size makes it an ideal choice for applications where space is at a premium.In some automotive applications, the H811R3BYA is used as an inline power limiter. It is designed to deliver up to 15A while limiting the amount of current that can flow through the circuit. It can also be used as an absorbent discharge resistor to protect components from voltage spikes that could occur from transients.In industrial applications, the H811R3BYA can be used as an overvoltage protector. Its superior thermal step-down characteristics ensure that voltage spikes are quickly dissipated before they can damage sensitive components.In military applications, the H811R3BYA is often used as a current limiter. Its high power rating makes it ideal for protecting sensitive components from current surges in harsh operational environments.

Working Principle

The H811R3BYA is designed to provide current limiting, thermal step down, surge protection and impedance balancing in a 5mo package. It operates by dissipating energy in the form of heat and inductive reactance, thereby providing protection to sensitive loads.When current flows through the resistor, its resistance produces a voltage drop. This voltage drop can be used to limit the amount of current that is allowed to flow through the resistor. This type of protection is especially useful in applications where current muting is desired.The H811R3BYA also has excellent thermal step-down characteristics. This means that it will quickly reduce excessive voltage surges before they can cause damage to downstream components. It also features an inductive reactance that helps to reduce noise and impedance mismatches between components.Finally, the H811R3BYA also provides surge protection. Its inductive reactance helps to absorb transient voltage spikes that can be generated by inductive components, such as motors or solenoids.

Conclusion

The H811R3BYA is a through-hole resistor designed for high power applications. It is designed to provide current limiting, thermal step down, impedance balancing and surge protection in a 5mo package. It is commonly used in automotive, industrial, consumer appliances and military applications for protection against excessive current, voltage surges and noise. Its inductive reactance helps to reduce voltage spikes, absorb transients and match impedances between components.

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