H4P12R7DZA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	12.7 Ohms
Tolerance:	±0.5%
Power (Watts):	1W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.146" Dia x 0.394" L (3.70mm x 10.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

Through Hole Resistors, also known as THRs, are one of the most common types of resistors used in circuit design today. They are often used in applications where there is a need to control current or voltage levels, or where high power is needed. This type of resistor offers high power handling capacities, low Ohmic values and stability over time.The H4P12R7DZA is a Through Hole Resistor that consists of a metal wire wrapped around a ceramic core. This type of resistor is well known for its excellent power dissipation as it can dissipate up to 400W. It can be used in many applications as a current limiter, a voltage divider or a current-limiting protection device.

H4P12R7DZA Application Field and Working Principle

The H4P12R7DZA THR is mainly used in power electronics, light load applications, lighting circuits, switching mode power supplies and inverters. It is also used for motor control and other applications where precision voltage control is needed. It can also be used to provide protection from damage due to circuit overloads.The H4P12R7DZA THR works on the principle of Ohm\'s Law. It has a resistance value of 1.2 Ohms and is rated for a maximum power dissipation of 400W. The resistor is constructed in a way that the ceramic core is surrounded by a metal wire, which ensures that heat generated by the resistor is effectively dissipated.In its most common application, the H4P12R7DZA is connected to the power source and the load is connected in series to the resistor. As the current passes through the resistor, the voltage drop across it will be in proportion to the current and the resistance value. This will allow the current to be precisely controlled and also provide protection from damage due to overloads.If the H4P12R7DZA is connected to the load in parallel, it can provide more current to the load at the same voltage and this will increase the power dissipated by the resistor. By connecting the resistor in series with the load, the power dissipation can be kept more stable and consistent.The H4P12R7DZA is also very popular for its ability to dissipate heat quickly. The ceramic core of the resistor is designed to transfer heat away from the component, while the wire wrapped around the core helps to increase the rate of heat transfer. This will help to keep the component cool and ensure that it can operate at its optimal performance.In summary, the H4P12R7DZA THR is one of the most popular and reliable Through Hole Resistors on the market today. It is a high power, efficient, and reliable resistor that can be used in many applications where precision voltage control and protection from overloads are required. It also has excellent thermal dissipation properties to ensure that it runs at its optimal performance.

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