EEE-HA1H101UP Panasonic Capacitor Polarised (Other) In Stock
Panasonic EEE-HA1H101UP is a 100 µF 50 V SMD aluminum electrolytic capacitor from the HA series, offering compact surface-mount footprint, long service life, and reliable performance for bulk energy storage and power filtering applications.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- EEE-HA1H101UP Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100 µF capacitance at 50 V rating suits bulk energy storage and decoupling
- Surface-mount package enables automated PCB assembly with standard pick-and-place
- HA series construction optimized for long operational life in power supply circuits
- Low ESR design supports efficient charge and discharge in switching power supplies
- Compact SMD footprint reduces board space compared to equivalent through-hole capacitors
Applications
The EEE-HA1H101UP is used in switching power supplies, DC-DC converters, and motor drive circuits where 100 µF bulk capacitance at 50 V is needed for energy storage and output ripple filtering. Its surface-mount form factor makes it suitable for compact consumer electronics, industrial control boards, and LED driver circuits. The capacitor also serves as an input filter in automotive 12 V and 24 V systems to smooth rectified power rail voltages.
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
How does the 50 V voltage rating of the EEE-HA1H101UP make it suitable for 24 V and 36 V bus systems?
The 50 V voltage rating provides approximately 40% derating headroom above a 36 V bus, which meets standard electrolytic capacitor reliability guidelines that recommend operating at no more than 80% of rated voltage. This safety margin helps prevent dielectric breakdown and extends capacitor life in 24 V industrial and 36 V telecom power systems.
For a 100 W switching power supply design, can the EEE-HA1H101UP handle the output ripple current requirements?
The EEE-HA1H101UP with 100 µF capacitance is typically used on the output stage of power supplies up to 50 W to 100 W, where it reduces output voltage ripple to acceptable levels. The ripple current capability depends on the switching frequency, but at 100 kHz switching frequencies the 100 µF capacitance provides effective filtering for ripple voltages below 500 mV peak-to-peak.
When should a designer choose the EEE-HA1H101UP over a ceramic MLCC capacitor for bulk decoupling at 50 V?
The EEE-HA1H101UP is preferred over MLCC ceramics for bulk decoupling at 50 V because MLCCs at 50 V in capacitances above 10 µF require large X5R or X7R packages that are physically bigger and more expensive. The 100 µF aluminum electrolytic provides cost-effective bulk storage with a stable capacitance that does not degrade significantly with DC bias, unlike ceramic capacitors which can lose up to 80% of rated capacitance at full voltage.
How does the SMD package of the EEE-HA1H101UP compare to through-hole electrolytic alternatives in high-vibration environments?
The SMD package of the EEE-HA1H101UP offers better mechanical resistance to vibration compared to through-hole electrolytics because the low-profile surface-mount body has a smaller moment arm and is directly soldered to the pad without lead flex. In automotive or industrial environments subject to 5 g to 10 g vibration, SMD electrolytics are generally preferred for their improved shock resistance and solder joint reliability.
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