Snap-In Electrolytic Capacitors for Industrial Power Supplies

Overview of Snap-In Electrolytic Capacitors

Snap-in electrolytic capacitors are terminal-type components designed for printed circuit board (PCB) mounting in industrial power systems. This product line features a wide operating voltage range and low profile options, addressing space constraints and diverse voltage requirements in commercial power applications.

Key Features of Snap-In Electrolytic Capacitors

Extended Operating Voltage Range

These capacitors support a voltage range of 6.3V to 500V. For 500WV applications, only the FL series is applicable, which is engineered for high ripple current usage. This broad range allows compatibility with various industrial power supply designs, eliminating the need for multiple component sourcing.

Low Profile Design

The product line includes components with a height of 20mm, available for voltage ratings between 160V and 450V. This low profile configuration reduces vertical space requirements on PCBs, enabling more compact equipment designs for space-constrained industrial environments.

Standard Snap-In Terminal

All units feature standard snap-in terminals, which facilitate automated PCB assembly processes. This terminal design ensures secure mechanical attachment and reliable electrical connection during high-volume production runs.

Detailed Technical Specifications

Typical Performance Characteristics

Temperature Characteristics

Capacitance and dissipation factor vary within defined ranges across the operating temperature spectrum. Capacitance changes remain within ±10% from -40°C to +85°C for most voltage ratings, ensuring consistent performance in varying industrial environments.

Load Life Characteristics

After 2000 hours of continuous operation at 85°C under rated voltage, capacitance changes stay within ±20% of initial values, and dissipation factor remains below 200% of the specified limit. Leakage current also remains within the maximum allowed value throughout the test period.

Frequency Characteristics

Impedance decreases as frequency increases, with typical values ranging from 100Ω at 100Hz to 0.1Ω at 1MHz. This frequency response makes the capacitors suitable for switching power supply applications operating across a wide frequency range.

Industrial Applications

These snap-in electrolytic capacitors are suitable for use in:

• Industrial uninterruptible power supplies (UPS)

• Switching power supplies

• Frequency converters

• Stepping servo controllers

• AC servo systems for sewing equipment

• Health equipment controllers

	Core Technologies The company possesses 2 patented technologies and 8 copyrights for production control software. The products with a working voltage of 600V that are mass-produced are domestically leading. Product Standards The products meet the EU standards and have passed the CE and CB testing certifications.
	History of Development In 2001, the enterprise was established in Beijing. In 2007, the Suzhou branch was established, and in the same year, the production plant was relocated to Suzhou. In 2011, the construction of the Anhui factory was initiated. By the end of 2012, the Anhui factory was officially put into production. In May 2013, the core production equipment was updated, with a cumulative investment of RMB 15 million in the equipment.
	Cooperative Customers For stepping servo controllers: Shenzhen Leadshine, Beijing HollySys, Start and others. For AC servo systems of sewing equipment: Baumax, Supu, Hengqiang, Wolong. In the field of health equipment controllers, UUcap capacitors account for more than 70% of the market share. The company is the designated supplier for brands such as Icon (USA), Shuhua, and Oma. Customers in industries such as industrial UPS, switching power supplies, and frequency converters. A.O. Smith, Technology Development Company of Tsinghua University.

Production and Quality Assurance

The manufacturer was established in Beijing in 2001 and relocated production to Suzhou in 2007. A second production facility in Anhui was completed and put into operation by the end of 2012. In May 2013, core production equipment was updated with a total investment of 15 million RMB.

The company holds 2 patented technologies and 8 copyrights for production control software. Its mass-produced 600V working voltage products hold a leading position in the domestic market. All products conform to EU standards and have passed CE and CB testing certifications.

The company supplies components to leading enterprises across multiple industries, including Shenzhen Leadshine, Beijing HollySys, Baumax, Icon (USA), Shuhua, Oma, and A.O. Smith. In the health equipment controller segment, its capacitors account for more than 70% of the market share.

FAQ

What are snap-in electrolytic capacitors?

Snap-in electrolytic capacitors are aluminum electrolytic capacitors with snap-in terminals, designed for through-hole mounting on printed circuit boards. They provide high capacitance values in a compact form factor for power supply applications.

What is the operating temperature range of these capacitors?

For capacitors with a rated voltage of 350V or lower, the operating temperature range is -40°C to +85°C. For capacitors with a rated voltage above 350V, the range is -25°C to +85°C.

What are the load life test conditions?

Load life testing is conducted at 85°C with the rated voltage applied continuously for 2000 hours. The test evaluates changes in leakage current, capacitance, and dissipation factor.

Do you offer custom terminal lengths?

Shorter terminals (4.0 ± 0.5mm) are available upon request. For 20mm height products, shorter terminals are applied as the standard configuration.

Contact our technical team today to request a detailed datasheet, confirm sample availability, or receive customized pricing for your commercial procurement needs.