EEE-TKV681UAM Panasonic Capacitor Polarised (Other) In Stock
The Panasonic EEE-TKV681UAM is a 680 µF, 35 V aluminum electrolytic capacitor in a surface-mount (SMD) TK series package, offering high capacitance in a compact footprint with low ESR for power-rail decoupling. It is designed for consumer electronics and industrial power supply filtering applications. From $0.50, in stock with worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-TKV681UAM Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 680 µF capacitance at 35 V rating provides high bulk energy storage in a compact SMD TK series package
- Low ESR design reduces power dissipation and improves transient response in switching power supplies and DC/DC converters
- Surface-mount TK package enables automated PCB assembly with reflow soldering compatibility for high-volume production
Applications
The EEE-TKV681UAM is commonly deployed in power supply filtering and bulk decoupling applications in consumer electronics, industrial control boards, and automotive accessory modules. Its 680 µF capacitance at 35 V makes it well-suited for output smoothing in DC/DC converters, buck regulators, and linear power supplies where minimizing voltage ripple is critical. Engineers also use this capacitor in motor drive circuits and audio amplifier power stages to sustain peak current demands.
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 ratings of the EEE-TKV681UAM and which power supply topologies suit it best?
The EEE-TKV681UAM is rated at 680 µF capacitance and 35 V maximum working voltage, placing it in the bulk decoupling category ideal for output filtering in buck converters, flyback supplies, and linear regulators operating below 35 V. Its low ESR characteristic supports switching frequencies typical of modern SMPS designs, reducing output ripple to sub-millivolt levels under load.
How does the TK SMD form factor affect PCB layout options for the EEE-TKV681UAM?
The SMD TK package used by the EEE-TKV681UAM allows reflow soldering and pick-and-place assembly, enabling high-density PCB layouts that are not possible with through-hole electrolytic capacitors of similar 680 µF, 35 V ratings. The compact footprint reduces board area by up to 30% compared to equivalent radial-lead parts, supporting miniaturized power supply designs in portable and space-constrained electronics.
When should a designer choose EEE-TKV681UAM over a smaller-value SMD capacitor for output filtering?
A designer should choose the EEE-TKV681UAM (680 µF, 35 V) when the load requires sustained current delivery or when the switching regulator operates at frequencies below 100 kHz, where higher bulk capacitance is needed to keep output ripple within specification. It is particularly effective in 12 V to 24 V bus applications powering microcontrollers, FPGAs, or motor drivers with peak current demands exceeding 1 A.
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