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
Key Features
- 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
Applications
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) |
Alternate & Equivalent Parts
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.
Related Guides
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
0402 10uF X5R Decoupling Design Guide for Compact Digital Rails
Application note for using CL05A106MP5NUNC-class 0402 10uF X5R MLCCs in compact digital rail decoupling designs.
Jun 19, 2026
How to Choose an 0805 10uF MLCC for Decoupling and Bulk Capacitance
Selection guide for choosing 0805 10uF MLCCs around CL21A106KOQNNNE, covering derating, dielectric, package, and sourcing checks.
Jun 19, 2026
Why Buy from FindMyChip
About EPCOS
EPCOS is a leading electronic component manufacturer. FindMyChip sources EPCOS ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”