Solid Aluminum Electrolytic Capacitors
| series | Life（Hrs） | features | Rated voltage range (V.DC) | Rated capacitance (uF) | Operating temperature range (°C) | |
| SMD type | VP1 | 2000 | Standard | 6.3~25 | 10~2500 | -55~105 |
| VP4 | 2000 | 3.95mm height, low ESR | 6.3~35 | 10~220 | -55~105 | |
| VPX | 2000 | Miniaturized products, low ESR | 6.3~100 | 2.2~10000 | -55~105 | |
| VPH | 2000 | High voltage resistance, miniaturization, low ESR | 125~250 | 1~82 | -55~105 | |
| VPT | 2000 | High temperature resistant product, long life | 6.3~100 | 2.2~10000 | -55~125 | |
| VPL | 5000 | Long life product | 6.3~100 | 2.2~10000 | -55~105 | |
| VPG | 2000 | Large capacity, miniaturization, ultra-low ESR | 6.3~100 | 180~18000 | -55~105 | |
| VPM | 2000 | 3.55mm/4mm diameter, can be mounted horizontally | 6.3~100 | 1.2~270 | -55~105 | |
| VPS | 2000 | Thin products, large capacity | 6.3~100 | 8.2~10000 | -55~125 | |
| Radial Lead Type | NP1 | 2000 | Standard | 6.3~25 | 10~2500 | -55~105 |
| NPX | 2000 | Miniaturized products, low ESR | 6.3~100 | 2.2~10000 | -55~105 | |
| NPH | 2000 | High voltage resistance, miniaturization, low ESR | 125~250 | 1~82 | -55~105 | |
| NPT | 2000 | High temperature resistant products | 6.3~100 | 2.2~10000 | -55~125 | |
| NPL | 5000 | Long life product | 6.3~100 | 2.2~10000 | -55~105 | |
| NPG | 2000 | Large capacity, miniaturization, ultra-low ESR | 6.3~100 | 180~18000 | -55~105 | |
| NPM | 2000 | 3.55mm/4mm diameter, can be mounted horizontally | 6.3~100 | 1.2~270 | -55~105 | |
| NPS | 2000 | Thin products, large capacity | 6.3~100 | 8.2~10000 | -55~125 |
Understanding Conductive Polymer Aluminum Solid Electrolytic Capacitors
Conductive Polymer Aluminum Solid Electrolytic Capacitors are a type of capacitor that offer high capacitance and low ESR. Learn more about their construction and applications in this guide.
Conductive Polymer Aluminum Solid Electrolytic Capacitors, or CPES capacitors, are a type of capacitor that have gained popularity in recent years due to their high capacitance and low equivalent series resistance (ESR). In this guide, we'll take a closer look at the construction of CPES capacitors and explore their various applications in electronics.
What are Conductive Polymer Aluminum Solid Electrolytic Capacitors?
Conductive Polymer Aluminum Solid Electrolytic Capacitors, or CPES capacitors, are a type of electrolytic capacitor that use a conductive polymer as the electrolyte instead of a liquid electrolyte. This allows for a higher capacitance and lower ESR compared to traditional aluminum electrolytic capacitors. CPES capacitors are commonly used in power supplies, DC-DC converters, and other electronic applications where high capacitance and low ESR are important.
How are they constructed?
CPES capacitors are constructed with a conductive polymer electrolyte layer sandwiched between two aluminum electrodes. The conductive polymer electrolyte layer is formed by polymerizing a monomer in the presence of an electrolyte. This creates a solid, gel-like electrolyte that is more stable and less prone to leakage compared to liquid electrolytes. The aluminum electrodes are formed by depositing a thin layer of aluminum onto a substrate, which is then etched to create a porous structure that increases the surface area and capacitance of the electrode. The electrodes are then coated with a layer of conductive polymer electrolyte and assembled into a capacitor.
What are the advantages of using them?
Conductive Polymer Aluminum Solid Electrolytic Capacitors offer several advantages over other types of capacitors. They have high capacitance values, low equivalent series resistance (ESR), and low leakage current. This makes them ideal for use in high-frequency applications, such as power supplies, DC-DC converters, and voltage regulators. They also have a longer lifespan and are more reliable than other types of capacitors, due to their solid electrolyte construction. Additionally, they are smaller and lighter than other types of capacitors, making them ideal for use in portable electronic devices.
What are the applications of Conductive Polymer Aluminum Solid Electrolytic Capacitors?
Conductive Polymer Aluminum Solid Electrolytic Capacitors are commonly used in a variety of electronic devices and applications. They are particularly useful in high-frequency circuits, such as power supplies, DC-DC converters, and voltage regulators. They are also used in audio equipment, telecommunications equipment, and automotive electronics. Due to their small size and low weight, they are ideal for use in portable electronic devices, such as smartphones, tablets, and laptops. Additionally, they are used in industrial equipment, such as motor drives and control systems.
How do they compare to other types of capacitors?
Conductive Polymer Aluminum Solid Electrolytic Capacitors offer several advantages over other types of capacitors. They have a higher capacitance and lower equivalent series resistance (ESR) than traditional aluminum electrolytic capacitors. They also have a longer lifespan and better stability over time. Additionally, they are more resistant to high temperatures and have a lower leakage current. However, they are typically more expensive than other types of capacitors and may not be suitable for all applications.
