A FVE standard SMD electrolytic capacitor produced by BEC is a surface-mount version of the traditional through-hole electrolytic capacitor. It's engineered for reflow soldering to printed circuit boards in modern surface-mount technology assembly. It retains the core electrochemical energy-storage structure of electrolytic capacitors (anode, cathode, electrolytic medium, dielectric oxide layer) but features a compact, flat package with metalized terminations for direct PCB mounting-eliminating the radial or axial leads of through-hole variants. As a polarized, high-capacitance passive component, it is a staple in SMT electronics for power-related functions (smoothing, decoupling, bulk energy storage) where MLCCs cannot provide sufficient capacitance density.
Basic Parameters
|
Product Category |
FVE standard SMD electrolytic capacitor |
|
Capacitance Range |
0.1UF~6800UF |
|
Voltage Range |
4V~450V |
|
Working Temperature |
-40℃~105℃ |
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Tolerance |
±20% |
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Certificate |
RoHS, REACH |
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Applications |
Industrial electronics, automotive industry, audio and video electronics, lighting systems |
Characteristics
Industry-Standard Sizes: EIA-specified diameter*height (D×H) in millimeters - the universal footprint for SMT PCBs:
Ultra-low profile: 4×5mm, 5×5mm (height ≤5mm - for wearables/smartphones)
Standard: 6.3×7.5mm, 8×10mm, 10×12mm (for consumer/industrial electronics)
Large: 12.5×20mm, 18×25mm (for high-cap/high-voltage power supplies)
Terminations: Flat, nickel-tin plated copper end tabs - designed for direct soldering to SMD PCB pads (no leads). Pad layouts follow EIA standards for universal compatibility.
Markings: Laser-printed on the body - capacitance (e.g., 100μF), voltage rating (e.g., 25V), tolerance (M), negative stripe (-), manufacturer logo, and date code.
High Capacitance & Voltage Range.
Value Range: typically from 0.1µF up to several thousand µF (e.g., 6800µF). They fill the gap between high-value MLCCs (rarely >100µF) and larger can capacitors.
Voltage Range: Common ratings from 2.5V to 100V+, suitable for standard power rails (3.3V, 5V, 12V, 24V, 48V).
Production Process
Parts of Our Production Facilities
FAQ
Q1: What is "ripple current" rating and why does it matter?
A1: Ripple current is the AC current the capacitor can handle from charging/discharging in power supply applications. Exceeding this rating causes overheating and premature failure. In high-current applications (like switching power supplies), this is often the limiting factor, not just capacitance/voltage.
Q2: How does temperature affect lifespan?
A2: Temperature is the #1 factor in capacitor lifespan! The 10°C Rule (Arrhenius Law) applies:
For every 10°C increase, lifespan is halved
For every 10°C decrease, lifespan is doubled
Example: A 2000h @ 105°C capacitor:
At 95°C: ~4000 hours
At 85°C: ~8000 hours
At 105°C: 2000 hours (rated)
At 115°C: ~1000 hours
Q3: What are "audio/video grade" SMD electrolytic capacitors?
A3: They should have the following features:
Lower distortion specifications
Tighter tolerance
Sometimes different dielectric materials
Debatable audible difference in most circuits
Q4: What's the shelf life for a FVE standard SMD electrolytic capacitor?
A4: If stored well, 2 to 5 years is typical shelf life.
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