EEE-TP1E331AP Panasonic Capacitor Polarised (Other) In Stock
The Panasonic EEE-TP1E331AP is a 330 µF, 25 V SMD aluminum electrolytic capacitor in the TP series, designed for surface-mount power filtering and bulk energy storage. It features a long operational life and low ESR suitable for DC-DC converter output stages, and is available in a compact radial SMD case for automated PCB assembly.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-TP1E331AP Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 330 µF capacitance at 25 V rating provides substantial bulk energy storage for DC-DC converter output filtering
- SMD radial construction enables automated pick-and-place assembly with standard reflow soldering processes
- Panasonic TP series long-life design for extended operational reliability in power supply applications
- Low equivalent series resistance (ESR) reduces output voltage ripple in switching regulator filter stages
- 25 V voltage rating suits 5 V, 12 V, and 15 V rail filtering with adequate derating margin
Applications
The EEE-TP1E331AP is well-suited as the output bulk capacitor in switched-mode power supplies operating on 5 V to 15 V rails where 330 µF of energy storage is required to suppress switching ripple and handle load transients. It is commonly used in industrial power modules, server voltage regulator modules (VRMs), and consumer electronics motherboards where SMD assembly and a compact footprint are preferred. The 25 V rating provides a comfortable derating margin for 12 V bus filtering applications.
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 capacitance and voltage rating does the EEE-TP1E331AP provide for power supply filtering?
The Panasonic EEE-TP1E331AP offers 330 µF capacitance with a 25 V voltage rating. This combination is well-suited for filtering the output of 5 V, 12 V, or 15 V DC-DC converters, where the high capacitance reduces output ripple voltage and the 25 V rating provides at least a 2:1 derating margin over the operating voltage, extending the capacitor's service life.
How does low ESR in the EEE-TP1E331AP benefit switching regulator output stages?
Low equivalent series resistance (ESR) in the EEE-TP1E331AP reduces the peak-to-peak ripple voltage at the output of a switching regulator by limiting the voltage drop caused by high-frequency ripple current flowing through the capacitor. At typical switching frequencies of 100 kHz to 500 kHz, a lower ESR value directly translates to cleaner output rails, reducing noise that could affect sensitive analog or digital circuits powered from the same rail.
Why is the SMD package of the EEE-TP1E331AP preferred over through-hole electrolytic capacitors in modern power designs?
SMD mounting of the EEE-TP1E331AP eliminates through-hole drilling costs and enables fully automated reflow soldering, reducing assembly time and per-board cost compared to through-hole electrolytic capacitors. The surface-mount radial case also allows placement on either side of the PCB and reduces board height in slim product enclosures. For 330 µF at 25 V, the SMD form factor is competitive with through-hole alternatives while supporting high-volume automated production lines.
In which industrial or computing applications does the EEE-TP1E331AP 330 µF, 25 V capacitor provide the most value?
The EEE-TP1E331AP provides the most value in server voltage regulator modules (VRMs) supplying CPU and memory rails at 1.8 V to 5 V, industrial motor drive control boards requiring bulk capacitance on 12 V or 24 V logic supply rails, and point-of-load converters in network switches where 330 µF of output capacitance stabilizes voltage during rapid load steps of 5 A or more.
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 Panasonic
Panasonic is a leading electronic component manufacturer. FindMyChip sources Panasonic ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”