B32774D0505K EPCOS Capacitor (Other) In Stock
B32774D0505K is a 5 µF polypropylene film capacitor rated at 1.1 kV DC from EPCOS B32774 series. Key specs: ±10% tolerance, through-hole mounting, self-healing dielectric for long service life. Available from stock with worldwide shipping.
- Manufacturer
- EPCOS
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- B32774D0505K Datasheet PDF
- Category
- Capacitor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of B32774D0505K?
- 5 µF capacitance at 1.1 kV DC rating suitable for high-voltage power electronics and DC-link filter stages
- Polypropylene (PP) film dielectric provides self-healing properties, low losses, and excellent thermal stability
- ±10% tolerance ensures broad interchangeability in resonant and filter capacitor bank designs
- Through-hole package allows easy PCB mounting and hand-soldering for prototyping and low-volume production
- EPCOS B32774 series qualified for demanding industrial and power conversion environments
What is B32774D0505K used for?
The EPCOS B32774D0505K polypropylene capacitor is designed for use in DC-link filtering, snubber circuits, and energy storage stages in power conversion equipment such as variable-frequency drives, solar inverters, and UPS systems. Its 1.1 kV DC rating and self-healing polypropylene dielectric make it reliable in high-voltage bus applications where film capacitor robustness is critical. The component is also used in high-voltage filtering for industrial motor control systems and power factor correction networks.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the B32774D0505K datasheet?
B32774D0505K Datasheet DownloadOfficial datasheet from EPCOS
What are equivalent replacements for B32774D0505K?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the voltage rating and capacitance of the EPCOS B32774D0505K?
The B32774D0505K is rated for 1.1 kV DC continuous operation with a capacitance of 5 µF and ±10% tolerance. This combination makes it suitable for DC-link and bus filter capacitors in medium-voltage power conversion systems including solar inverters and variable-frequency drives requiring reliable high-voltage film capacitors.
How does the polypropylene dielectric in B32774D0505K benefit power electronics designs?
Polypropylene film exhibits very low equivalent series resistance (ESR), low dielectric absorption, and a self-healing mechanism that restores insulation after minor breakdown events, extending operational life compared to electrolytic capacitors. At 1.1 kV DC and 5 µF, these properties translate into reduced switching losses and improved reliability in snubber and DC-link filter circuits.
What is the PCB mounting style of B32774D0505K and what lead spacing should designers plan for?
The B32774D0505K uses a through-hole mounting style, requiring drilled PCB pads. The B32774 series typically provides a lead pitch of 37.5 mm for this capacitance and voltage class. Designers should verify the specific lead spacing dimension in the EPCOS B32774 datasheet to ensure proper footprint creation for their PCB layout tools.
In which high-voltage applications is B32774D0505K a preferred choice over electrolytic capacitors?
The B32774D0505K is preferred over electrolytic capacitors in snubber networks, resonant tank circuits, and DC-link filters operating above 400 V, where electrolytic capacitors face voltage-rating and ripple-current limitations. Its 1.1 kV DC rating and 5 µF capacitance are well matched to the intermediate DC bus in 3-phase inverters and active front-end converters used in industrial automation.
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