LAK2D271MELA25ZB

The LAK2D271MELA25ZB is a snap‑in, radial aluminum electrolytic capacitor rated at 270 µF and 200 V. It belongs to Nichicon’s LAK series and is designed for general‑purpose power applications, including equipment exposed to fluctuating supply voltages.

Key attributes include snap‑in mounting for secure board attachment, high temperature endurance up to 105°C, and built‑in safety features for abnormal voltage conditions—making it suitable for mass production and assembly‑friendly handling (tray packing).

Key Features

• Capacitance & Rated Voltage — 270 µF capacitance with a 200 V rated voltage, specified ±20% tolerance at 120 Hz, 20°C.
• Snap‑in Terminal Package — Radial, can snap‑in construction (φ25 × 25 mm) for secure mechanical retention on power PCBs.
• High Temperature Endurance — Operates from −25°C to +105°C with endurance specified as 2000 hours at 105°C under rated ripple conditions.
• Ripple Current Capability — Rated ripple current: 850 mA at 120 Hz and 1.02 A at 10 kHz, supporting smoothing and bulk filtering tasks.
• Safety & Abnormal Voltage Resistance — LAK series features improved safety for abnormally excessive voltage and a pressure relief vent designed to prevent dangerous failure modes.
• Polarized Design — Polarized electrolytic capacitor suitable for DC applications where polarity is known and controlled.
• RoHS Compliant & Production Ready — Compliant with RoHS; supplied in tray packing for mass production workflows.

Typical Applications

• Power Supply Filtering — Bulk smoothing and ripple reduction in DC power supplies and converters where a 200 V rating and high capacitance are required.
• Industrial Equipment — Energy storage and decoupling in industrial gear exposed to temperature variation and supply fluctuations.
• Equipment Subject to Voltage Fluctuations — Designed for devices operating in environments with variable line conditions, leveraging the LAK series’ abnormal‑voltage safety features.
• General‑Purpose Power Circuits — Suitable for general purpose DC applications that require polarized, high‑capacitance components with secure snap‑in mounting.

Unique Advantages

• Long High‑Temperature Life: Specified 2000 hours at 105°C under rated ripple current, supporting durability in thermally demanding designs.
• Secure Snap‑in Mounting: Snap‑in radial can provides robust mechanical retention for assemblies subject to vibration or handling during production.
• Measured Ripple Performance: Clear ripple current ratings at both low and high frequencies (850 mA at 120 Hz, 1.02 A at 10 kHz) help match capacitor selection to application ripple profiles.
• Safety‑Focused Construction: LAK series safety features and a pressure relief vent reduce the risk of hazardous failure under abnormal voltage conditions.
• Production‑Friendly Packaging: Tray packing supports efficient handling and assembly in high‑volume manufacturing environments.
• Regulatory Compliance: RoHS compliance supports use in products requiring restricted‑substance conformance.

Why Choose LAK2D271MELA25ZB?

The LAK2D271MELA25ZB offers a balance of high capacitance and 200 V rating in a snap‑in, production‑ready form factor suited to general‑purpose power applications and equipment exposed to fluctuating voltages. Its specification for 2000 hours at 105°C and defined ripple current ratings provide predictable performance for designers addressing thermal and ripple stresses.

This part is appropriate for engineers and procurement teams specifying robust electrolytic bulk capacitors for power supplies, industrial controls, and other DC systems where safety under abnormal voltage and ease of assembly are priorities.

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