UPM1K4R7MDD Capacitor: Description, Features, and Applications

What is the UPM1K4R7MDD?

The UPM1K4R7MDD is a high-performance aluminum electrolytic capacitor produced by Nichicon, designed for applications where reliability and compactness are crucial. With a capacitance of 4.7 µF and a rated voltage of 80 V, it is a radial leaded capacitor that can be easily integrated into a wide range of electronic circuits.

This component is specifically rated for a long lifespan of 2000 hours at an operating temperature of 105°C, ensuring consistent performance even in demanding environments. The capacitor's compact size, typically 5 mm in diameter and 11 mm in length, makes it ideal for space-constrained applications. Common use cases include power supply circuits, audio equipment, and other devices where stable capacitance is required, especially under high-temperature conditions. The UPM1K4R7MDD provides reliable performance, making it a versatile choice for various electronic applications.

UPM1K4R7MDD Dimensions

Primary Features of UPM1K4R7MDD

The UPM1K4R7MDD is an electrolytic capacitor manufactured by Nichicon, and designed for various electronic applications. Here are its primary features:

Type: Electrolytic Capacitor

Capacitance: 4.7 µF

Voltage Rating: 80 VDC

Tolerance: ±20%

Equivalent Series Resistance (ESR): Low, with an impedance of approximately 6 Ω at rated conditions.

Ripple Current: Rated at 26 mA at 120 Hz.

Leakage Current: 11.28 µA after one minute.

Lifetime: 2000 hours at a temperature of 105°C.

Operating Temperature Range: -55°C to +105°C.

Construction: Aluminum cylindrical can, radial led.

Size: Diameter of 5 mm and height of 11 mm.

Mounting Type: Through-hole (THT) with a terminal pitch of 2 mm.

Designed for low impedance and high reliability, making it suitable for switching power supplies and general-purpose applications.

UPM1K4R7MDD Specifications

The UPM1K4R7MDD is an aluminum electrolytic capacitor from Nichicon, designed for high reliability and low impedance applications. Below are its detailed specifications:

Advantages of Using UPM1K4R7MDD

The UPM1K4R7MDD aluminum electrolytic capacitor offers several advantages that make it suitable for a variety of electronic applications:

High Voltage Rating: With a voltage rating of 80 VDC, this capacitor can handle higher voltage applications, providing flexibility in design and usage.

Long Service Life: It has a rated lifetime of 2000 hours at 105°C, which enhances reliability in demanding environments, such as power supplies and industrial applications.

Low Equivalent Series Resistance (ESR): The UPM1K4R7MDD features a low ESR of approximately 4.2 Ω, which minimizes energy loss and improves efficiency in circuits, particularly in switching power supplies.

Wide Operating Temperature Range: This capacitor operates effectively in a temperature range from -55°C to +105°C, making it suitable for diverse environmental conditions.

Compact Size: The dimensions of 5 mm in diameter and 11 mm in height make it an ideal choice for applications where space is limited, such as in compact electronic devices.

High Capacitance-to-Volume Ratio: It provides a capacitance of 4.7 µF, which is significant for its size, allowing for efficient energy storage in smaller packages.

RoHS Compliant: The UPM1K4R7MDD complies with RoHS regulations, ensuring it is environmentally friendly and suitable for modern manufacturing practices.

These features collectively make the UPM1K4R7MDD an excellent choice for applications requiring reliable performance under varying conditions, such as in consumer electronics, automotive systems, and industrial equipment.

UPM1K4R7MDD Applications

The UPM1K4R7MDD aluminum electrolytic capacitor is versatile and widely used across various industries due to its reliable performance and specifications. Here are its primary applications:

Automotive Electronics: The capacitor is utilized in automotive systems for power supply filtering, energy storage, and noise suppression, ensuring the stable operation of electronic components.

Consumer Electronics: Commonly found in devices such as televisions, audio equipment, and computers, it helps stabilize voltage and filter out noise in power supplies.

Industrial Equipment: Used in machinery and control systems, the UPM1K4R7MDD supports smooth operation by managing power fluctuations and providing necessary energy reserves.

Power Supply Circuits: It is effective in switching power supplies where low ESR and high ripple current capabilities are essential for efficiency.

Telecommunications: The capacitor is employed in communication devices to maintain signal integrity and reduce interference.

LED Lighting: In LED drivers, it play a critical role in smoothing out the current supply to ensure consistent light output.

These applications leverage the capacitor's characteristics, such as its high voltage rating (80V), long service life (2000 hours at 105°C), and low impedance, making it suitable for demanding environments.

UPM1K4R7MDD Equivalents

The UPM1K4R7MDD capacitor is widely used in electronic circuits where space is limited but high performance is essential. Various manufacturers offer equivalent capacitors with similar specifications, such as the Panasonic EEU-FM1K4R7, Rubycon 50YU4.7M80, Chemi-Con ESL1V4R7M80, and United Chemi-Con UHE1K4R7M80. These capacitors all feature a capacitance of 4.7 µF, a voltage rating of 80 V, and are radial leaded types, typically measuring 5 mm in diameter and 11 mm in length. They are all rated for a 2000-hour lifespan at 105°C, making them reliable for use in power supplies, audio equipment, and other high-temperature environments.

UPM1K4R7MDD Compared to Other Capacitors in the Same Series

The UPM series from Nichicon includes a variety of aluminum electrolytic capacitors, each designed for specific applications and performance characteristics. Below is a comparison of the UPM1K4R7MDD with other notable capacitors in the same series:

Key Comparisons

Capacitance Range: The UPM1K4R7MDD has a much lower capacitance (4.7 µF) compared to others like UPM1A471MDD (470 µF), making it suitable for applications requiring smaller capacitance values.

Voltage Rating: UPM1K4R7MDD has a high voltage rating of 80 V, which is beneficial for high-voltage applications, while others like UPM1A471MDD are rated at lower voltages (25 V).

Service Life: All models listed have a service life of at least 2000 hours at 105°C, with some offering longer lifetimes, such as the UPM1C471MHD6 with a rating of 3000 hours.

Impedance: The UPM1K4R7MDD features a higher impedance (6 Ω) compared to other models, which generally have lower impedance values, indicating that it may be less efficient in high-frequency applications.

Size and Mounting: The UPM1K4R7MDD is compact (Ø5 x 11 mm), making it ideal for space-constrained designs, while other models vary in size and may require different mounting configurations.

These comparisons highlight the specific strengths and ideal use cases for the UPM1K4R7MDD within the broader context of the UPM series capacitors, allowing designers to select the most appropriate component for their needs.

Working Principle of UPM1K4R7MDD

The UPM1K4R7MDD is a type of aluminum electrolytic capacitor manufactured by Nichicon. Understanding its working principle involves several key aspects related to its construction and functionality.

Basic Construction:

The UPM1K4R7MDD consists of two conductive plates separated by an electrolyte. One plate is typically made of aluminum foil, which serves as the anode, while the other plate is a cathode, often made from a conductive layer on the capacitor's casing. The electrolyte allows for ion movement, which is essential for the capacitor's operation.

Charging Process:

When a voltage is applied across the capacitor, electrons accumulate on the anode, creating a negative charge. This causes positive ions in the electrolyte to migrate toward the anode, forming an electric field. The amount of charge stored is proportional to the voltage applied and the capacitance value of the capacitor.

Discharging Process:

When the circuit connected to the capacitor requires power, the stored energy can be released. The electric field collapses, allowing electrons to flow back through the circuit, providing energy until the stored charge is depleted.

Specifications:

• Capacitance Value: 4.7 µF
• Rated Voltage: 80 V
• Equivalent Series Resistance (ESR): 4.2 Ohms
• Operating Temperature Range: -55°C to +105°C
• Lifetime: Rated for 2000 hours at 105°C

Applications:

• The UPM1K4R7MDD is commonly used in various electronic applications due to its reliability and performance characteristics. It is suitable for power supply circuits, audio equipment, and other applications where stable capacitance and low ESR are crucial.

UPM1K4R7MDD Datasheet

UPM1K4R7MDD Datasheet

Conclusion of UPM1K4R7MDD

The UPM1K4R7MDD is a reliable and compact aluminum electrolytic capacitor from Nichicon, designed to meet the demands of modern electronic applications. With its 4.7 µF capacitance, 80 V rated voltage, and radial leaded type, it offers versatile compatibility across a range of devices. Its durability, rated for 2000 hours at 105°C, makes it a dependable choice for high-temperature environments. The UPM1K4R7MDD is especially suitable for power supply circuits, audio equipment, and other applications where stability and compactness are crucial. Additionally, its equivalents from other manufacturers, such as Panasonic, Rubycon, and Chemi-Con, offer similar performance, providing flexibility in sourcing without compromising on quality.