Overview
The FC0V474ZFTBR24 is an FC series surface-mount electric double-layer supercapacitor (EDLC) from KEMET (now part of the YAGEO Group). It is designed for short-time backup power, real-time clock (RTC) applications, memory data retention, wireless communication, and industrial electronics. This device features a 0.47F capacitance and a 3.5V rated voltage, providing stable power support during mains power outages while meeting the demands of frequent charge-discharge applications.
The FC0V474ZFTBR24 uses a surface mount (SMD) package and features maintenance-free operation, long cycle life, fast charging and discharging, and easy installation. It can serve as an effective supplement or replacement for traditional backup batteries and is widely used in smart meters, industrial controllers, communication terminals, and IoT devices.
Core parameters
| Parameter | Palue |
| Product Type | Electric double-layer supercapacitor (EDLC) |
| Product Series | FC Series |
| capacitance value | 0.47F (470mF) |
| Rated voltage | 3.5VDC |
| Capacitor tolerance | -20% / +80% |
| ESR | 25Ω (1kHz) |
| Installation method | Surface Mount Device (SMD) |
| Packaging | SMD Can |
| External dimensions | 10.5 × 8.5mm (typical) |
| Operating temperature range | -40°C to +85°C |
| Environmental standards | RoHS compliant |
The above parameters are based on KEMET’s official product information.
Features
High-capacity energy storage capability
The FC0V474ZFTBR24 offers a 0.47F capacitor capacity, which can store and release energy in a short time, making it suitable for power failure protection, instantaneous power supply, and energy buffering applications.
Ultra-long cycle life
Compared to traditional rechargeable batteries, supercapacitors support hundreds of thousands of charge-discharge cycles, have no memory effect, and can effectively reduce maintenance costs and extend equipment lifespan.
Fast charge and discharge performance
The device can be charged in a short time and output energy quickly, making it suitable for frequent start-stop and pulse power supply scenarios.
Surface Mount Design
It adopts a standard SMD package, which can be directly used for automated surface mount production, improving assembly efficiency and saving PCB space.
High reliability industrial design
It supports operation over a wide temperature range and can adapt to application environments such as industrial automation, communication equipment, and smart meters that require long-term continuous operation.
Typical application scenarios
Real-time clock (RTC) backup power
The RTC continues to run after a system power failure.
Memory data retention
Power-loss data protection for EEPROM, SRAM and other memory.
Industrial control equipment
Backup power supply for PLCs, industrial instruments and control terminals.
Smart meters and IoT devices
Wireless communication modules, remote monitoring terminals, and intelligent metering equipment.
Consumer electronics products
Portable devices, data loggers, and small electronic systems.
Comparative Advantage Analysis
| Performance indicators | FC0V474ZFTBR24 | Traditional button battery |
| Charge-discharge cycle life | Extremely long | limited |
| Charging speed | quick | slow |
| Maintenance requirements | Low | Need to be replaced regularly |
| Instantaneous output capability | excellent | generally |
| Environmental performance | high | generally |
| System reliability | high | medium |
The FC0V474ZFTBR24 is significantly superior to traditional backup battery solutions in terms of cycle life, fast charge/discharge, and maintenance-free characteristics , making it particularly suitable for systems with frequent power outages and high reliability requirements.
Manufacturer Profile: KEMET (YAGEO)
KEMET is a globally renowned manufacturer of electronic components, now part of the YAGEO Group. Its products cover a wide range of fields, including ceramic capacitors, tantalum capacitors, film capacitors, inductors, and supercapacitors. The FC series supercapacitors, known for their high reliability, long lifespan, and stable performance, are widely used in industrial electronics, automotive electronics, medical equipment, and communication infrastructure.
Why choose FC0V474ZFTBR24?
● High-capacity energy storage capacity of 0.47F
● 3.5V operating voltage, suitable for low-voltage systems
● Ultra-long charge/discharge cycle life
● Fast charge/discharge for improved system responsiveness
● SMD packaging for automated production
● KEMET original quality, long-term stable supply
Frequently Asked Questions (FAQ)
Q1: Can the FC0V474ZFTBR24 replace a backup battery? Yes,
it can in many short-term backup power applications. This supercapacitor can continuously power low-power circuits such as RTCs and memory when the main power supply fails, and it has a longer cycle life and lower maintenance requirements. However, for applications requiring long-term power supply, it is usually still necessary to use it in conjunction with a battery.
Q2: What are the main applications of the FC0V474ZFTBR24?
This device is suitable for electronic systems that require short-term energy storage and rapid charging and discharging, such as real-time clock (RTC) backup, power buffer, memory data retention, industrial controllers, smart meters, IoT terminals and communication equipment.
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