About this part

Z275LA40A – 27V Zener Diode 1.3W ±5% – HVCA (Vishay Brand)

Ensure precise voltage regulation in your circuits with the HVCA Z275LA40A Zener diode, available exclusively from PCX. This high-reliability component provides stable 27V reverse breakdown voltage with a robust 1.3W power rating, ideal for protecting sensitive electronics from voltage spikes and maintaining signal integrity. PCX guarantees authentic HVCA components with same-day shipping and dedicated technical support.

Key Features

• Voltage Rating: 27V Zener voltage (Vz)
• Power Handling: 1.3W power dissipation
• Tolerance: ±5% voltage precision
• Package: SOD-80 (MiniMELF) surface-mount design
• Reliable Operation: Industrial temperature range

Technical Details

The Z275LA40A operates as a voltage reference diode with a nominal Zener voltage of 27V. Its SOD-80 package enables compact PCB layouts while supporting surface-mount assembly processes. Designed for stable performance across industrial environments, this diode maintains consistent regulation under varying load conditions.

Common Applications

• Voltage regulation in power supplies
• Overvoltage protection circuits
• Signal clamping and waveform shaping
• Voltage reference sources
• Consumer electronics and industrial controls

About HVCA (Vishay Brand)

HVCA represents Vishay’s renowned line of discrete semiconductors, globally recognized for precision engineering and stringent quality control. With decades of innovation in passive components, Vishay sets industry benchmarks for diode reliability and electrical performance.

Vishay’s HVCA diodes undergo rigorous testing to ensure stability under thermal stress and electrical load, making them the preferred choice for mission-critical applications. Their components consistently meet automotive, industrial, and military-grade durability requirements, providing design engineers with unmatched confidence in circuit protection solutions.

About Zener Diodes

Zener diodes are specialized semiconductor devices engineered to maintain a constant output voltage when reverse-biased, making them indispensable for voltage regulation and protection. Unlike standard diodes, they exploit the Zener breakdown effect to clamp voltages at predetermined levels, preventing damage to downstream components.

These diodes serve vital roles in power management systems by absorbing voltage transients, stabilizing reference voltages for analog circuits, and safeguarding microcontrollers from ESD events. Their predictable failure modes and consistent performance make them fundamental building blocks in both consumer electronics and industrial hardware designs.

Packaging Options

Available in industry-standard Tape & Reel packaging for automated assembly. Contact PCX for bulk quantities or custom reel sizes.

Frequently Asked Questions

Q: What is the operating temperature range for the Z275LA40A?
A: This HVCA Zener diode supports industrial-grade operation from -65°C to +175°C.

Q: Can this diode handle surge currents?
A: Yes, its 1.3W power rating provides substantial surge absorption capacity for transient protection applications.

Q: Is the SOD-80 package RoHS compliant?
A: All HVCA components meet RoHS 3 compliance standards for environmental safety.

Q: How does a Zener diode differ from a regular diode?
A: Zener diodes operate in reverse-bias mode to maintain fixed voltage levels, while standard diodes only conduct current in forward bias.

Q: Why choose HVCA-branded components?
A: HVCA (Vishay) diodes undergo 100% electrical testing and offer industry-leading voltage tolerance (±5%) for precision applications.

Q: Can PCX provide technical documentation?
A: Yes, request the Z275LA40A datasheet via PCXCo.com for detailed specifications.

Note: Product image is representational; refer to datasheet for exact dimensions.

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