EEE-1VA4R7NR Panasonic Capacitor Polarised (Other) In Stock
The EEE-1VA4R7NR is a Panasonic VS series 4.7 µF, 35 V aluminum electrolytic capacitor in SMD format with ±20% capacitance tolerance for power supply filtering and decoupling. It features a compact surface-mount package with RoHS-compliant construction for modern lead-free PCB assembly processes. Available in stock with worldwide shipping for volume and prototype procurement.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-1VA4R7NR Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4.7 µF capacitance at 35 V rating from Panasonic VS series for reliable power supply filtering and decoupling
- ±20% capacitance tolerance suitable for bypass and bulk filter applications where tight tolerance is not required
- SMD surface-mount package compatible with automated pick-and-place and reflow soldering at up to 260°C
- Polarized aluminum electrolytic construction providing high capacitance density at low cost per µF compared to ceramic alternatives
- RoHS compliant for lead-free manufacturing in consumer electronics and industrial PCB assembly
Applications
The EEE-1VA4R7NR is ideal for bulk decoupling and power supply output filtering on 3.3 V, 5 V, and 12 V rails in embedded systems, consumer electronics, and industrial control boards where 35 V rated capacitors provide adequate voltage margin. It is commonly placed at the output of DC-DC converters and LDO regulators to suppress ripple and reduce high-frequency noise on supply rails serving digital logic and microcontrollers. The compact SMD form factor allows placement near power pins in dense PCB layouts with minimal board area impact.
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 are the key electrical specifications of EEE-1VA4R7NR for power supply decoupling design?
EEE-1VA4R7NR is rated at 4.7 µF capacitance with a 35 V maximum working voltage and ±20% tolerance. In a typical DC-DC converter output filter, this capacitor works alongside a 10 µF bulk electrolytic and 100 nF ceramic bypass to attenuate switching ripple from several hundred mV to below 10 mV on a 5 V rail.
How does the 35 V rating of EEE-1VA4R7NR provide voltage margin in a 12 V power system?
With a 35 V voltage rating, EEE-1VA4R7NR provides approximately 2.9× voltage derating when used on a 12 V supply rail, well above the recommended 1.5× to 2× derating practice for electrolytic capacitors. This margin extends the capacitor's operational lifetime and improves reliability in 12 V automotive accessory and industrial power supply designs.
Is EEE-1VA4R7NR compatible with automated SMT assembly and lead-free soldering processes?
Yes. EEE-1VA4R7NR uses an SMD aluminum electrolytic package with surface-mount leads compatible with standard pick-and-place equipment and reflow soldering profiles up to 260°C per IPC J-STD-020. Its RoHS compliance ensures compatibility with lead-free solder alloys used in modern consumer electronics and industrial manufacturing lines.
When might a designer choose EEE-1VA4R7NR over a 4.7 µF MLCC ceramic capacitor for output filtering?
EEE-1VA4R7NR offers significantly lower cost per µF and better capacitance retention under DC bias compared to X5R or X7R MLCC ceramics at 4.7 µF, 35 V, which can lose 50–70% of nominal capacitance under a 35 V DC bias. For bulk output filtering at frequencies below 100 kHz where ESR is not critical, the electrolytic provides a cost-effective alternative.
What is the typical ESR of EEE-1VA4R7NR and how does it affect ripple current handling?
Panasonic VS series aluminum electrolytic capacitors at 4.7 µF, 35 V typically exhibit an ESR in the range of 5 to 15 Ω at 120 Hz, limiting their ripple current capability to approximately 20–50 mA RMS. For higher ripple current demands above 100 mA, designers typically parallel multiple units or combine with low-ESR polymer capacitors to meet filter requirements.
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