UCB1H101MNL1GS Nichicon Capacitor Polarised (Capacitor Al Electrolytic) In Stock
Nichicon UCB1H101MNL1GS is a polarized aluminum electrolytic chip capacitor with 100 µF capacitance rated at 50 V in a compact SMD form factor. It is designed for power supply filtering, bulk energy storage, and decoupling in consumer electronics and industrial equipment requiring a reliable, RoHS-compliant polarized capacitor.
- Manufacturer
- Nichicon
- Package
- Capacitor Al Electrolytic
- Pin Count
- 2
- Lifecycle
- OBSOLETE
- Datasheet
- UCB1H101MNL1GS Datasheet PDF
- Category
- Capacitor Polarised
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 50 V voltage rating providing ample headroom for 24 V and 36 V DC bus filtering and bulk storage applications
- 100 µF capacitance value delivering sufficient charge reservoir for hold-up and transient load response in switching power supplies
- SMD chip package enabling automated pick-and-place assembly for high-density PCB layouts in consumer and industrial electronics
- Aluminum electrolytic construction offering high capacitance-per-unit-volume compared to ceramic and film alternatives at equivalent voltage ratings
- RoHS pb-free construction compliant with environmental regulations for global market access
Applications
The UCB1H101MNL1GS aluminum electrolytic chip capacitor is used in switching power supply output stages, DC-DC converter input and output filters, and bulk decoupling on motor driver boards where 100 µF at 50 V is needed in a surface-mount form factor. Consumer electronics such as set-top boxes, monitors, and LED driver modules rely on this capacitor for hold-up energy storage that maintains output voltage during brief input interruptions. Industrial control boards and instrumentation power rails employ it for low-frequency ripple attenuation and transient absorption at 50 V bus levels.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Not Compliant |
| YTEOL | 0 |
| Package | Capacitor Al Electrolytic |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8532.22.00 |
| Country of Origin | Japan |
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 UCB1H101MNL1GS provide, and which power supply topologies benefit from these values?
The UCB1H101MNL1GS provides 100 µF capacitance at a 50 V rating, making it well suited for the output filter stage of flyback, forward, and buck converters operating from 24 V or 36 V DC buses with a minimum 25% derating margin. At 100 µF, the capacitor can hold a 24 V rail within 5% for approximately 208 µs when supplying 1 A load during a brief input dropout, providing the hold-up time needed for microcontroller orderly shutdown sequences.
How does the UCB1H101MNL1GS SMD chip format compare to through-hole electrolytic capacitors for high-density PCB designs?
The SMD chip format of the UCB1H101MNL1GS reduces mounting height and eliminates lead-forming steps required for through-hole radial capacitors, enabling automated pick-and-place assembly at throughputs exceeding 10,000 components per hour on modern SMT lines. Surface-mount placement also allows the capacitor to be positioned closer to load ICs on multi-layer boards, shortening decoupling loops and reducing effective series inductance compared to through-hole parts mounted at the board edge.
Under what conditions should engineers consider replacing the UCB1H101MNL1GS with a polymer aluminum or MLCC alternative?
Engineers should evaluate polymer aluminum or stacked MLCC alternatives when the application requires ESR below 50 mΩ at 100 kHz, operating temperatures above 105°C, or lifetimes exceeding 5000 hours at rated temperature, since standard aluminum electrolytic capacitors like the UCB1H101MNL1GS have higher ESR and electrolyte evaporation limits their service life at elevated temperatures. For 100 µF at 50 V in a 6.3 mm or smaller package, however, polymer aluminum capacitors carry a price premium of 3–5× per unit, so aluminum electrolytic remains the cost-effective choice for bulk output filtering in consumer-grade power supplies.
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