T55B157M004C0070 Capacitors

Package / Case:	1411 (3528 Metric)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Height - Seated (Max):	0.083" (2.10mm)
Lead Spacing:	--
Manufacturer Size Code:	B
Ratings:	--
Features:	General Purpose
Series:	vPolyTan™ T55
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	150µF
Tolerance:	±20%
Voltage - Rated:	4V
Type:	Molded
ESR (Equivalent Series Resistance):	70 mOhm
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount

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Tantalum - Polymer Capacitors

Tantalum – Polymer Capacitors are the newest in capacitor technology and the T55B157M004C0070 is testament to those advancements. This capacitor was created for applications requiring a high capacitance in a small amount of space and low price. This type of capacitor provides greater miniaturization of the capacitor which makes it easier to install in areas of limited space such as mobile phones, laptop computers, and other similar devices.

The T55B157M004C0070 capacitor is a single-layer solid tantalum-polymer capacitor with a rated voltage of 16V DC and a capacitance of 1000µF. It is constructed in a small 4x5x1mm package and uses a manganese dioxide solid electrolyte. This provides superior characteristics during a wide range of operating conditions, since the electrolyte acts as a barrier between the anode and the cathode. This type of capacitor offers traditional characteristics of tantalum capacitors such as low ESR and ESL, low leakage current and low equivalent series resistance (ESR). The ESR is measured in milliohms while ESL is measured in nanofarads. It also has a better operating temperature range over other types of capacitors at up to 85°C (temperature of the capacitor case).

T55B157M004C0070 capacitors are available in platinum and nickel plated cases, which provide additional protection against moisture, corrosion and impurity. These capacitors are used for different applications such as computer and peripheral board design, power supply design, power line filters and power semiconductor device driver circuits. They are also used for audio filtering, switching power supply design and noise suppression. The capacitor also offers a high level of reliability, due to its small size, as well as its low equivalent series resistance (ESR), which makes it ideal for high frequency applications and high ripple current operations.

The capacitive element of the T55B157M004C0070 capacitor is constructed of alternating layers of metal and polymer. These layers provide a higher dielectric constant than traditional ceramic capacitors, which improves the performance of the capacitor and reduces the overall size. The metal layers act as the electrodes, while the polymer layers act as the dielectric, forming a barrier to protect the active components. This design also provides increased ripple current capabilities over other types of capacitors, which makes it ideal for applications that are subject to high-frequency noise and voltage spikes.

The working principle of the T55B157M004C0070 capacitor is simple. When a current is applied, the alternating layers of metal and polymer act like a filter to remove any impurities. As a result, the capacitor can store the charge for a period of time and then discharge it as needed. This process is repeated as long as the capacitor is connected to a power source. This type of capacitor has a relatively short life cycle and is not suitable for applications where long-term power storage is required.

In conclusion, the T55B157M004C0070 capacitor is ideal for power supply design, audio filtering, switching power supply design, noise suppression and other applications where a combination of high capacitance, small size and low cost is desired. Its high level of reliability and low ESR make it ideal for high-frequency applications, while its increased ripple current capabilities make it an excellent choice for applications that require noise and voltage spike protection.

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