ESRH181M04R

Series:	ESRH
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Last Time Buy
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	180µF
Tolerance:	±20%
Voltage - Rated:	4V
ESR (Equivalent Series Resistance):	12 mOhm
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Applications:	General Purpose
Ripple Current @ High Frequency:	3A @ 100kHz
Lead Spacing:	--
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.161" (4.10mm)
Surface Mount Land Size:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)

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ESRH181M04R is one of many types of aluminum-polymer capacitors, which have recently become popular due to their wide range of applications and low power dissipation. Aluminum-polymer capacitors are used in many applications, such as power supplies, motors, and batteries. They are often used in high voltage and high frequency environments. An ESRH181M04R aluminum-polymer capacitor is a device that consists of two metallic layers, usually made from aluminum, separated by a dielectric polymer material. This type of capacitor has many advantages over traditional aluminum electrolytic capacitors, including higher rated voltages, better temperature stability, higher ripple current and lower equivalent series resistance (ESR). The working principle of an ESRH181M04R aluminum-polymer capacitor is based on the same principle as other types of capacitors. When a voltage is applied across the device, it stores energy in the dielectric material, creating an electric field which allows current to flow.Unlike electrolytic capacitors, aluminum-polymer capacitors are much more efficient because they offer lower ESR values and higher ripple currents, meaning they can store more energy in a smaller package. Additionally, aluminum-polymer capacitors have very low leakage currents and are very stable over a wide temperature range. An ESRH181M04R aluminum-polymer capacitor is an especially useful device for a variety of high-voltage, high-frequency applications. These range from power supplies and motor drive circuits, to RF circuits and power management systems. In power supplies and other high-voltage applications, aluminum-polymer capacitors are often used to store energy and isolate different voltage nodes. By having lower ESRs than the traditional aluminum electrolytic devices, the aluminum-polymer capacitors can hold more energy and help reduce voltage transients and overshoots. In circuits where high frequencies are involved, an ESRH181M04R aluminum-polymer capacitor is used as an RF shield. It is able to act as a “fence”, preventing high frequency signals from passing through and causing interference with the desired signal. Finally, aluminum-polymer capacitors like the ESRH181M04R are used in power management systems. They are used to store energy when the system is running and make it available when the loads require more power. This helps to avoid power losses and keep the system running smoothly. In conclusion, the ESRH181M04R aluminum-polymer capacitor is an excellent choice for a wide variety of applications where high voltage and frequency are present. It offers superior performance, low leakage current and exceptional temperature stability. This type of capacitor is ideal for power supplies, motor drive circuits, RF circuits and power management systems.

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