The CL21A476MQYNNNE from Samsung Electro-Mechanics is a general-purpose multilayer ceramic capacitor featuring a nominal capacitance of 47μF, a capacitance tolerance of ±20%, a rated voltage of 6.3V DC, and an X5R dielectric. It is suitable for power-supply decoupling, bypassing, filtering, and smoothing applications.
The component is supplied in a compact 0805-inch／2012-metric surface-mount package, with nominal dimensions of approximately 2.00 × 1.25 × 1.25mm. Its high nominal capacitance and small footprint make it suitable for compact devices and high-density PCB designs.
The X5R dielectric supports a rated operating-temperature range of -55°C to +85°C. As a high-capacitance Class II ceramic capacitor, its effective capacitance can vary with DC bias, temperature, and applied AC voltage. Samsung’s DC-bias, temperature, and frequency-characteristic curves should be reviewed during final circuit design.
The final “E” package code specifies a 7-inch embossed tape-and-reel option for automated surface-mount assembly. The part is listed as being in mass production and is compliant with RoHS and REACH requirements.
Key Specifications:
- Manufacturer: Samsung Electro-Mechanics
- Manufacturer Part Number: CL21A476MQYNNNE
- Component Type: Multilayer Ceramic Capacitor
- Product Category: General Purpose
- Nominal Capacitance: 47μF
- Capacitance Tolerance: ±20%
- Rated Voltage: 6.3V DC
- Dielectric: X5R
- Operating Temperature: -55°C to +85°C
- Package Size: 0805 Inch／2012 Metric
- Dimensions: Approximately 2.00 × 1.25 × 1.25mm
- Mounting Type: Surface Mount, SMD/SMT
- Packaging: 7-Inch Embossed Tape and Reel
- Production Status: Mass Production
- Compliance: RoHS and REACH
Typical Applications:
Suitable for consumer electronics, communication equipment, computer peripherals, industrial controls, power modules, and embedded systems. Typical functions include power-rail decoupling, bypassing, low-frequency filtering, energy storage, and voltage smoothing. DC bias, operating temperature, ripple current, and required effective capacitance should be evaluated in the final design.
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