TCJD477M002R0025

Series:	TCJ
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	470µF
Tolerance:	±20%
Voltage - Rated:	2.5V
Type:	Molded
ESR (Equivalent Series Resistance):	25 mOhm
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	2000 Hrs @ 105°C
Mounting Type:	Surface Mount
Package / Case:	2917 (7343 Metric)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.122" (3.10mm)
Lead Spacing:	--
Manufacturer Size Code:	D
Ratings:	--
Features:	General Purpose

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Introduction

TCJD477M002R0025 is a type of tantalum-polymer capacitors, which are widely used in the electronics industry for a variety of applications, including filtering, bypassing, and decoupling. A tantalum-polymer capacitor consists of a tantalum anode and a conductive polymer cathode with a dielectric layer of solid-state electrolyte between them. Comparing to conventional electrolytic capacitors, tantalum-polymer capacitors offer higher capacitance values, lower ESR, better ripple current-handling capabilities, and greater endurance.

Application Field

TCJD477M002R0025, like other tantalum-polymer capacitors, are mainly used in applications that require high capacitance values, such as power supply filtering and decoupling, circuit board-level power supply line hold-up, and timing circuits. Its applications include notebooks, mobile devices, tablets, electronic communication products, gaming devices, automotive and industrial applications, set-top boxes, server systems, and home entertainment devices.

Working Principle

Tantalum-polymer capacitors, like other types of capacitors, produce an electrical charge when voltage is applied. Unlike traditional electrolytic capacitors, tantalum-polymer capacitors use an anode made of tantalum and a cathode made from a conductive polymer. The anode is surrounded by a dielectric material with a positive charge, while the cathode is surrounded by a negative charge. This arrangement of positive and negative charges creates a strong electrical field in the capacitor, which activates the tantalum in the anode to produce an electrical charge.The capacitance of a tantalum-polymer capacitor is typically expressed in Farads. The Farad is a unit of electrical capacitance and describes the amount of electrical charge a capacitor can store when a given voltage is applied. In general, higher capacitance values lead to longer charge storage and better performance in high-frequency applications.

Conclusion

TCJD477M002R0025 is a type of tantalum-polymer capacitors. It is widely used in applications, such as filtering, bypassing and decoupling, that require high capacitance values, as well as power supply filtering and decoupling, circuit board-level power supply line hold up, and timing circuits. The working principle of tantalum-polymer capacitors is based on their construction, featuring an anode made of tantalum surrounded by a dielectric material with a positive charge, and a cathode made from a conductive polymer surrounded by a negative charge. This creates a strong electrical field in the capacitor, which activates the tantalum in the anode to produce an electrical charge, and this charge is expressed in Farads.

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