On Amazon.co.jp, the search term uxcell 2 1220 unf typically surfaces a specific ceramic capacitor product in the unfilled, 2-pF, 1220-V axial package from the UXCELL brand. This component is popular in hobbyist and professional circuits where precise timing, filtering, or RF coupling is required in compact layouts.
Engineers and makers often compare this part against similar capacitors to verify that the 2 pF nominal value, 1220 V rating, and axial leads meet their system voltage, temperature, and reliability targets before placing orders in bulk.
| Product | Value | Voltage Rating | Tolerance |
|---|---|---|---|
| UXCELL Ceramic Capacitor | 2 pF | 1220 V | ±5% |
| Dielectric | C0G/NP0 | Temperature Compensating | Stable over wide range |
| Terminals | Axial Lead | Mounting Style | Through-Hole |
| Typical Use Cases | High-voltage filtering, RF coupling, precision oscillators | ||
Understanding the UXCELL 2 1220 Unf Specification
The UXCELL 2 1220 unf label indicates a ceramic capacitor with a nominal capacitance of 2 picofarads and a 1220-volt DC working voltage. These axial-leaded devices are built with C0G/NP0 dielectric, which ensures minimal capacitance variation with temperature and voltage. For engineers sourcing parts on Amazon.co.jp, this specification is attractive in applications demanding stable high-voltage behavior in a compact footprint.
Buyers need to verify the exact terminal configuration and packaging details before procurement, because slight dimensional differences can affect board fit and mechanical stress on the leads. Confirming compliance with RoHS and relevant safety standards is also essential for industrial or commercial deployment.
Design Considerations for 2 1220 Unf High-Voltage Capacitors
When integrating a 2 1220 unf capacitor into a high-voltage design, layout, spacing, and creepage distance become critical factors. The relatively high 1220 V rating demands adequate clearance and separation from other conductive paths to avoid unwanted discharge or tracking on the PCB. Selecting appropriate enclosures and insulation materials further improves long-term reliability in demanding environments.
Engineers should also evaluate the thermal behavior and derating curves provided by the manufacturer, especially in applications where continuous current or ripple may elevate the component temperature. Proper heatsinking and airflow can extend service life and maintain predictable performance under load.
Application Scenarios and Compatibility
Across industrial test equipment, medical devices, and specialized RF modules, the 2 1220 unf capacitor often appears in coupling and decoupling stages where precise values matter. Its stable dielectric and high voltage rating make it suitable for prototype development and for replacing discontinued parts with similar specifications.
Buyers on Amazon.co.jp should confirm compatibility with existing circuit designs, including lead spacing, mounting hole alignment, and electrical derating factors, to avoid rework or redesign costs. Cross-referencing with alternative brands can also provide backup sourcing options if supply chain conditions change.
How to Identify Genuine UXCELL Components
To avoid counterfeit or misrepresented parts, look for clear markings on the capacitor body that match the official UXCELL naming convention for the 2 1220 unf variant. Verify the seller’s ratings, fulfillment speed, and return policies, and prefer vendors that provide test reports or certificates of conformity when available.
Comparing batch codes, package consistency, and shrink-wrap quality can further reduce the risk of receiving incorrect or substandard components. Engaging with reputable distributors and checking community reviews on Amazon.co.jp adds an additional layer of confidence in the purchase decision.
Key Takeaways for Buyers and Designers
- Confirm 2 pF, 1220 V, C0G/NP0 ceramic capacitor matches your circuit requirements
- Verify lead spacing, package dimensions, and mounting orientation before assembly
- Plan adequate creepage and clearance distances in high-voltage layouts
- Source from reputable sellers on Amazon.co.jp and request documentation when available
- Perform in-circuit measurement or bench tests to validate performance after installation
FAQ
Reader questions
What does 2 1220 unf actually specify in terms of electrical parameters
It specifies a 2 pF nominal capacitance with a 1220 V DC working voltage, typically featuring ±5% tolerance and C0G/NP0 dielectric stability.
Can I use this capacitor in high-frequency RF circuits
Yes, the low parasitic inductance of the axial ceramic construction makes it suitable for certain RF coupling and tuning applications, but always verify self-resonant frequency in your specific circuit.
What are the recommended soldering practices for 1220 high-voltage capacitors
Use a medium-power soldering iron with appropriate tip size, limit the soldering time per lead, and ensure proper cooling to avoid stressing the ceramic body and internal electrode structure.
How can I verify that the received part matches the UXCELL 2 1220 unf specification
Check the marking on the component, measure capacitance with a suitable LCR meter at low test voltage, and confirm the axial lead spacing and dimensions against the datasheet or product listing.