Zener Diode Assortment Kit 130PCS LL41 1W MERICDA 13 Values x10

Description

Product Overview

MERICDA’s 130‑piece Zener diode assortment kit is designed to give engineers, technicians, and hobbyists immediate access to a comprehensive range of voltage regulation components. The kit contains thirteen distinct Zener voltage values—3.3 V, 4.7 V, 5.1 V, 6.8 V, 7.5 V, 10 V, 12 V, 15 V, 16 V, 18 V, 20 V, 24 V, and 36 V—each supplied in ten identical 1 W axial packages, resulting in a total of 130 diodes. All parts are sourced from MERICDA’s trusted manufacturing line, which follows industry‑standard quality‑control procedures, including batch testing for voltage accuracy, leakage current, and power dissipation. The compact packaging dimensions of 3.94 × 2.76 × 0.35 inches and a lightweight 1.09 oz package make the kit easy to store in a lab drawer or on a workbench, while the clear labeling on each diode helps prevent selection errors during fast‑paced assembly or repair work. The assortment also includes a detailed data sheet that lists the nominal voltage, tolerance range, and maximum current for each Zener type, enabling precise circuit design without the need to search multiple suppliers. With this kit, users can quickly prototype voltage regulation circuits, test power supply stability, or replace failed components in existing equipment, reducing downtime and inventory costs. All components meet RoHS compliance for environmentally responsible use. The kit’s sturdy cardboard box includes a printed index for fast identification.

Product Overview

Each Zener diode in the collection is rated for a continuous power dissipation of 1 W, making them suitable for low‑to‑moderate current regulation tasks in a variety of circuits. The voltage tolerance for the 3.3 V, 4.7 V, and 5.1 V devices is typically ±5 %, while the higher voltage parts such as 24 V and 36 V maintain a tighter ±3 % tolerance, ensuring stable reference voltages across temperature swings from –55 °C to +150 °C. Leakage currents are kept below 5 µA at reverse bias, which helps preserve circuit efficiency and reduces unwanted noise. The axial lead form factor allows for easy insertion into through‑hole PCBs, breadboards, or test fixtures, and the leads are plated with tin to provide reliable solder joints and resistance to corrosion over long periods of operation.

Product Overview

Beyond the basic specifications, each Zener diode in the kit adheres to tight tolerance standards that ensure predictable behavior across the entire voltage spectrum. The low‑voltage devices (3.3 V, 4.7 V, 5.1 V) typically exhibit a tolerance of ±5 %, while the mid‑range and high‑voltage parts maintain tighter tolerances of ±3 % to ±4 % depending on the exact rating. Leakage currents are specified at less than 5 µA when reverse‑biased at the rated voltage, which helps maintain circuit efficiency and reduces unwanted power loss. The diodes also feature a maximum reverse recovery time of under 5 µs, allowing them to respond quickly to transient voltage events. All components are packaged in a moisture‑resistant environment to prevent degradation during storage, and the kit includes a printed data sheet that outlines the exact parameters for each voltage value, making it easy for designers to reference the required specifications without leaving the workbench.

Usage

In practical electronics projects, having a ready‑to‑use selection of Zener diodes speeds up development cycles and reduces the need for multiple single‑part orders. The 130‑piece kit is especially valuable for hobbyists building voltage‑regulated power supplies, sensor interfaces, and protection circuits where precise clamping voltages are required. By selecting the appropriate Zener value from the kit, designers can create reference voltage sources for analog‑to‑digital converters, stabilize LED driver currents, or protect delicate components from voltage spikes in automotive or industrial environments.
The axial lead style of each diode allows for straightforward insertion into standard through‑hole PCBs, breadboards, or test rigs, making the kit a perfect match for educational labs where students learn about voltage regulation and diode characteristics. The wide voltage range from 3.3 V up to 36 V covers most low‑power applications, while the 1 W power rating provides a safety margin for transient conditions. Additionally, the kit’s compact size means it can be stored alongside other common components such as resistors, capacitors, and transistors, keeping the workbench organized and ready for rapid prototyping.
Because the diodes are rated for operation across a broad temperature range, they perform reliably in both indoor laboratory settings and harsher field environments. Engineers can rely on the consistent breakdown voltage to maintain circuit stability when ambient temperatures fluctuate, which is critical for applications such as battery‑powered devices, remote sensors, and power‑line communication modules. The kit’s low cost per part also makes it an economical choice for large‑scale testing where multiple voltage levels must be evaluated in parallel.

Why Choose Us

MERICDA has built a reputation for delivering reliable semiconductor components that meet stringent industry standards. Each Zener diode is a multi‑stage quality assurance process, including automated testing for voltage accuracy, leakage current, and power handling capability. The company’s manufacturing facilities are ISO‑9001 certified, ensuring that every batch conforms to consistent performance criteria and traceability requirements. By choosing this kit, customers benefit from the assurance that every diode will perform as specified, reducing the risk of unexpected failures in critical applications. This level of reliability is essential for professional engineers who cannot afford downtime, as well as for educators who need components that will consistently demonstrate textbook principles to students. The consistent performance also simplifies inventory management, as users can rely on a single kit to cover a wide range of voltage requirements without having to maintain separate stock for each value. Furthermore, MERICDA provides detailed datasheets and application notes that guide users through proper biasing techniques and circuit design considerations, enhancing the overall value of the kit. All of these factors combine to deliver a cost‑effective, high‑quality solution for any electronics project.
The kit’s lightweight design also means it can be easily carried in a portable toolbox, enabling field engineers to carry a full range of Zener diodes without bulk. Moreover, the included data sheet provides quick reference tables for voltage tolerance and power rating, eliminating the need to search online databases during urgent troubleshooting. This all‑in‑one solution helps maintain workflow continuity and supports lean manufacturing principles by minimizing excess inventory and waste. Overall, the streamlined approach saves both time and money for any operation.
MERICDA stands behind its products with a responsive customer support team that can answer technical questions, provide design guidance, and assist with any warranty claims. Users who encounter unexpected performance issues can rely on a straightforward return policy that covers defective units within the standard 30‑day window, ensuring that project timelines remain on track. In addition, the company regularly updates its product documentation and offers online resources such as application notes, reference designs, and video tutorials that help users get the most out of each Zener diode. This commitment to after‑sales service reinforces confidence in the kit’s durability and long‑term reliability, making it a trusted choice for both novice makers and seasoned professionals. The support team also offers assistance with selecting the appropriate Zener voltage for specific circuit requirements, helping users avoid common pitfalls such as over‑voltage stress or insufficient clamping. For bulk purchasers, MERICDA can arrange custom packaging options and volume discounts, further enhancing the value proposition for OEMs and large‑scale integrators. This level of flexibility and personalized service distinguishes the brand in a competitive market and ensures that customers receive a solution that scales with their evolving needs.

Key Features

• Comprehensive voltage range from 3.3 V to 36 V in one kit eliminates the need to order multiple single‑value Zener diodes, saving time and inventory space
• Each diode is a 1 W axial package, providing a safety margin for transient currents while remaining easy to mount on standard through‑hole PCBs and breadboards
• MERICDA’s ISO‑9001 certified manufacturing ensures consistent voltage accuracy, low leakage current, and reliable performance across the full temperature range of –55 °C to +150 °C
• Compact, lightweight packaging with clear labeling and a printed index allows quick identification and reduces the risk of picking the wrong part during fast‑paced assembly
• Dedicated customer support and a detailed data sheet with voltage tolerances, power ratings, and application notes provide added confidence and simplify design and troubleshooting

FAQ

What is the difference between the various Zener voltage values in the kit?

The kit includes thirteen distinct Zener voltage ratings, each designed to clamp or regulate a specific voltage level when operated in reverse breakdown. Lower values such as 3.3 V, 4.7 V, and 5.1 V are commonly used as reference voltages for digital logic circuits, voltage‑level shifting, and protecting low‑voltage components. Mid‑range values like 10 V, 12 V, and 15 V are suitable for powering small analog sensors, LED drivers, and providing bias for transistor stages. The higher‑voltage diodes (16 V, 18 V, 20 V, 24 V, and 36 V) are ideal for protecting power‑supply lines, creating reference rails in mixed‑signal designs, and limiting voltage spikes in automotive or industrial environments. Each diode maintains its own tolerance and leakage specifications, so selecting the correct part ensures accurate voltage regulation and reliable circuit performance.

Can these Zener diodes be used for voltage regulation in high‑current applications?

While the diodes in this kit are rated for a continuous power dissipation of 1 W, they are best suited for low‑to‑moderate current regulation tasks such as reference voltage generation, clamping, and small‑signal biasing. In high‑current scenarios, the diode may exceed its power rating, leading to overheating and possible failure. For applications that require handling several amperes of current, it is advisable to use a Zener diode with a higher power rating (e.g., 5 W or 10 W) or to parallel multiple 1 W devices with appropriate current‑sharing resistors. Nevertheless, the 1 W rating provides a comfortable safety margin for transient spikes and short‑duration loads, making the kit valuable for prototyping and testing before committing to a higher‑power component.

How do I identify the correct diode value quickly?

Each group of ten diodes in the kit is separated by a thin paper divider that is printed with the corresponding voltage rating, and the external box features a large, laser‑etched label listing all values in order. When you open the package, you will see the diodes arranged in rows, with the voltage printed on the diode body in clear, readable characters. Additionally, the included data sheet provides a quick reference table that matches the printed code on the diode to its nominal voltage, tolerance, and maximum current. By following the visual cues on the packaging and consulting the data sheet, you can locate the required Zener within seconds, even in a busy work environment.

What warranty or return policy does MERICDA offer for this kit?

MERICDA provides a standard 30‑day return policy for any defective or damaged units received from the original purchase. If a diode fails to meet the specified voltage tolerance or exhibits abnormal leakage, customers can contact the support team to initiate a return or exchange. The process is straightforward: submit the order number, describe the issue, and provide a photo of the affected component. Once approved, MERICDA will ship a replacement set at no additional cost. This policy ensures that engineers and hobbyists can maintain project schedules without worrying about component reliability, and it reflects the company’s confidence in the quality of its Zener diode assortment.

Conclusion

With its extensive voltage coverage, reliable MERICDA quality, and user‑friendly packaging, the 130‑piece Zener diode assortment kit delivers a practical, cost‑effective solution for a wide range of electronic design and repair tasks. Whether you are building prototypes, teaching students, or maintaining production equipment, this kit provides the flexibility and confidence needed to keep projects moving forward.