Robust SMP Capacitors for Safety Applications by YAGEO-KEMET
New SMP255 and SMP253 Series
With the SMP255 (X2) and SMP253 (Y2) series, YAGEO-KEMET expands its portfolio of SMD safety capacitors. Both series are specifically designed for continuous load operation and stand out with excellent performance stability, high reliability, and maximum safety – addressing both active and passive flammability risks.
Download DatasheetsMetallized Paper Technology for Enhanced Safety
The SMP253 Y2 and SMP255 X2 capacitors utilize metallized paper technology – a proven approach offering high insulation resistance and outstanding self-healing properties. This ensures exceptional longevity, even under frequent overvoltage stress. Both series comply with THB Class IIB requirements and offer clear benefits to developers looking for robust, surface-mount safety capacitors.
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Reliable Operation Under Harsh Conditions
Metallized paper is particularly suited for applications requiring high reliability thanks to its safe open-failure mode, eliminating the need for redundant safety components. Combined with strong pulse voltage handling – significantly outperforming conventional film capacitors – the SMP253 and SMP255 series provide a robust solution for demanding environments.
Typical Applications
- AC/DC converters in on-board chargers for electric vehicles
- EMI filtering in variable frequency drives (VFDs)
- Smart grid components and industrial control systems
- Compact, high-energy-density power supplies
Key Specs of the SMP255 (X2 Class)
- Rated voltage: 310VAC
- Max. recommended DC voltage: 630VDC
- Capacitance range: 10nF to 150nF
- Temperature range: -40°C to +125°C
- THB grade IIB (85°C, 85% RH, 500h@310VAC/630VDC)
- Qualification: AEC-Q200
- High dV/dt capability: up to 1,200V/µs
Key Specs of the SMP253 (Y2 Class)
- Rated voltage: 300VAC
- Max. recommended DC voltage: 1,500VDC
- Capacitance range: 1nF to 4.7nF
- Temperature range: -40°C to +110°C
- THB grade IIB (85°C, 85 % RH, 500h@300VAC/1,000VDC)
- Qualification: AEC-Q200
- High dV/dt capability: up to 2,000V/µs
Which Features Make Metallized Paper Capacitors Reliable for Harsh Operating Conditions?
YAGEO-KEMET’s SMP255 and SMP253 series combine metallized paper technology, THB Class IIB robustness, and high dV/dt capability for safe, long-term operation under electrical and environmental stress. These capacitors are ideally suited for demanding applications such as smart grid systems, automotive chargers, and industrial drives.
Your Contact Person
Roland Trimmel is your expert contact for selecting and applying the SMP255 (X2) and SMP253 (Y2) series.