EEF-CD0D121XR

Series:	SP-Cap CD
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymer
Capacitance:	120µF
Tolerance:	±20%
Voltage - Rated:	2V
ESR (Equivalent Series Resistance):	15 mOhm
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Height - Seated (Max):	0.071" (1.80mm)
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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Aluminum - Polymer Capacitors have gained prevalence in recent years due to their many advantages over traditional aluminum electrolytic capacitors. EEF-CD0D121XR is a specific application field and working principle of this type of capacitor.EEF-CD0D121XR capacitors are usually used in low-frequency power conversion applications, such as DC-DC converters and battery chargers. The capacitor consists of a thin aluminum foil and a very thin, highly conductive polymer layer. This type of capacitor is ideal for these applications because it offers a low ESR (equivalent series resistance) and a high ripple current.The working principle of the EEF-CD0D121XR capacitor is based on the electrostatic effect. When a voltage is applied across the capacitor, the electric field between the two plates increases. This causes the electrons to be drawn from the negative plate to the positive plate and the positive ions to be drawn from the positive plate to the negative plate. This causes a charge separation, leading to a net electric field between the two electrodes. This electric field increases the capacitance of the device.The EEF-CD0D121XR capacitor is a good choice for applications that require high current and low voltage. It has high capacitance value, low leakage current, low ESR and low inductance. The capacitance can be increased by increasing the thickness of the polymer layer and reducing the gap between the two electrodes. This type of capacitor also has excellent stability over temperature and frequency.In addition to its advantages, the EEF-CD0D121XR capacitor has a few drawbacks. Firstly, it is relatively expensive compared to other capacitors. Secondly, its high capacitance makes it vulnerable to damage from high voltage spikes. Finally, the capacitance decreases with increasing temperature, so the capacitor must be protected against high temperatures.Overall, EEF-CD0D121XR is a cost-effective aluminum - polymer capacitor with excellent characteristics. It is perfect for applications that require high current, low voltage and high stability. Its drawbacks are minor compared to its many advantages, making it the perfect choice for a variety of power conversion and battery charging applications.

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