Chanzon TVS Diodes 1.5KE36A 1500W 36V ESD Suppressor Pack of 20

Description

Product Overview

The Chanzon TVS diode series is engineered to provide high‑power transient voltage suppression for demanding industrial and scientific environments. Each diode is rated for 1500 watts of peak pulse power and a clamping voltage of 36 volts, delivering fast response times that protect sensitive components from electrostatic discharge and voltage spikes. Constructed with lead‑free, RoHS‑compliant semiconductor material, the devices meet strict environmental standards while maintaining reliable performance over a wide temperature range.

The diodes feature a unidirectional design housed in a DO‑201AD (DO‑27) package, allowing straightforward through‑hole mounting on printed circuit boards. The compact dimensions of 6.69 × 5.12 × 0.59 inches and a weight of just 1.09 ounces per unit make them suitable for dense board layouts without sacrificing thermal handling capability. Each pack contains twenty individually sealed units placed in an anti‑static ESD bag with a clear label that lists the key specifications, ensuring easy identification and long‑term protection during storage and handling.

Technical specifications include a maximum reverse voltage of 36 V, a forward current rating of 1.5 A, and a surge current capability of 1500 W, making these diodes ideal for protecting power supplies, motor drives, communication interfaces, and sensor circuits. The part number 1.5KE36A is printed on each component, and the datasheet (refer to picture 2‑7) provides detailed electrical characteristics, recommended mounting guidelines, and thermal resistance data for precise engineering calculations.

Reliability testing for the 1.5KE36A includes temperature cycling from –55 °C to +125 °C and high‑current pulse endurance to verify that the diode can survive repeated surge events over its service life. The devices exhibit a low leakage current of less than 1 µA at the rated reverse voltage, ensuring minimal power loss in standby conditions. Additionally, the encapsulation material provides excellent moisture resistance, protecting the semiconductor junction from corrosion in harsh environments such as manufacturing floors or outdoor test rigs.

The 1.5KE36A is compatible with a wide range of PCB substrates, including FR‑4 and high‑frequency laminates, thanks to its standard lead‑frame geometry. Designers can reference the recommended land pattern in the datasheet to achieve optimal solder joint reliability and thermal dissipation. The diode’s low capacitance of typically 10 pF makes it suitable for high‑speed data lines where signal integrity is critical, while still delivering the high surge protection required for power distribution networks.

The 1.5KE36A complies with IEC 60726 and IEC 61000‑4‑2 standards for surge protection, confirming its ability to meet international safety and electromagnetic compatibility requirements. Its RoHS compliance ensures that the component is free from hazardous substances such as lead, mercury, and cadmium, making it suitable for use in environmentally regulated markets. The device also carries a UL certification for use in North American applications, providing additional confidence for designers who must adhere to regional safety codes.

Typical applications for the 1.5KE36A include protection of power supply input stages, motor driver control lines, sensor interface circuits, and communication ports such as CAN, RS‑485, and Ethernet. In each case, the diode’s fast transient response and high energy absorption capacity prevent damage to downstream ICs, extending the overall system reliability and reducing maintenance costs.

Test data shows that the diode can clamp a 10 kV surge to approximately 70 V within 5 ns, demonstrating its ability to protect sensitive circuitry from extreme transients. The device also maintains a low dynamic resistance of 0.5 Ω during clamping, limiting the voltage stress on protected components and ensuring rapid energy dissipation.

Usage

These TVS diodes are commonly deployed in industrial control panels where high‑frequency transients from switching equipment can jeopardize system stability. By installing the 1.5KE36A across vulnerable lines, engineers can safeguard microcontrollers, analog‑to‑digital converters, and other low‑voltage circuitry from sudden voltage excursions that occur during power‑on events or cable disconnects.

In scientific instrumentation, such as laboratory analyzers and measurement devices, the diodes help maintain data integrity by preventing electrostatic discharge from damaging precision analog front ends. Their 1500 W surge rating ensures that even the most aggressive spikes are clamped quickly, preserving the accuracy of sensors and reducing downtime caused by component failure.

The pack of twenty units is especially valuable for maintenance teams that need to replace multiple devices across a fleet of equipment. The through‑hole form factor simplifies replacement without requiring specialized surface‑mount technology tools, and the clear labeling on each diode speeds up inventory management and part verification during service calls.

In automotive testing stations, the diodes can be used to protect diagnostic interfaces that connect to vehicle ECUs, where sudden voltage spikes from ignition systems are common. By placing the TVS diode on the communication lines, technicians can prevent damage to expensive test equipment and maintain accurate fault detection capabilities.

Renewable energy installations, such as solar inverter panels, benefit from the 1.5KE36A’s ability to clamp transients caused by lightning strikes or switching surges from grid fluctuations. The high power rating ensures that the diode can absorb the energy without failure, extending the lifespan of downstream converters and protecting the overall system reliability.

In aerospace testing rigs, the diodes protect avionics test boards from high‑energy transients generated during engine start‑up and lightning simulation. Their low capacitance and fast response time allow them to safeguard high‑frequency communication lines without degrading signal quality, which is essential for maintaining the fidelity of telemetry data during rigorous qualification procedures.

In telecommunications equipment, the diodes protect line drivers and receiver modules from voltage spikes caused by lightning or power line disturbances. Their ability to handle high surge currents while preserving signal integrity makes them suitable for both indoor and outdoor installations, contributing to network reliability.

In data center environments, the diodes can be employed on server motherboard power rails and peripheral interfaces to guard against electrostatic discharge generated during hardware handling or rack insertion. Their low capacitance ensures that high‑speed data signals remain unaffected, while the 1500 W surge rating provides a safety margin for unexpected power anomalies.

Why Choose Us

Choosing Chanzon means selecting a brand with a proven track record in delivering reliable ESD protection components. The company adheres to rigorous quality control processes, including automated testing of each diode for leakage current, breakdown voltage, and clamping performance, ensuring that every unit meets the specified parameters before it reaches the customer.

The packaging of the 20‑piece set in an ESD‑safe bag not only protects the components from static discharge during shipping but also provides a convenient reference for technicians. The bag includes a printed label with the model number, voltage rating, and power handling capacity, reducing the risk of mis‑selection and facilitating quick installation.

Customer support is backed by a dedicated technical assistance team that can help with circuit design, selection of appropriate protection levels, and troubleshooting of any issues that arise after deployment. With fast response times and access to detailed datasheets, users can integrate the 1.5KE36A diodes confidently into their designs, knowing they have a reliable partner for ongoing support.

Chanzon’s manufacturing facilities employ state‑of‑the‑art wafer processing and automated assembly lines, which reduce variability and improve yield. Each batch undergoes statistical process control and is traced back to its lot number, providing full traceability for quality audits and compliance verification. This rigorous approach translates into consistent performance across every diode in the pack.

Beyond the product itself, Chanzon offers value‑added services such as custom labeling, bulk packaging options, and design‑in assistance. Engineers can request specific labeling formats for easier integration into automated inventory systems, or discuss bulk order discounts for large‑scale deployments. The company’s commitment to customer satisfaction is reflected in its responsive after‑sales support and comprehensive warranty coverage.

Chanzon’s commitment to sustainability extends to its supply chain, where the company works with certified manufacturers that follow ISO 14001 environmental management practices. By selecting components that are lead‑free and RoHS compliant, customers reduce their ecological footprint while still achieving high performance, aligning with corporate responsibility goals and green procurement policies.

Chanzon also offers training webinars and application notes that walk engineers through best practices for TVS diode selection, placement, and layout optimization. These resources help reduce design errors and accelerate the development cycle, delivering faster time‑to‑market for protected products.

Chanzon backs the 1.5KE36A with a one‑year limited warranty that covers material defects and workmanship issues, giving customers confidence in the long‑term durability of the component. Should a failure occur within the warranty period, the company will provide a replacement unit promptly, minimizing downtime for critical applications.

Key Features

• High surge capability of 1500 W provides robust protection against severe voltage spikes in industrial power circuits, ensuring continuity of operation and preventing costly downtime.
• Unidirectional DO‑201AD package enables easy through‑hole mounting and reliable thermal performance for long‑term operation, offering stable heat dissipation even under repeated surge events.
• Lead‑free, RoHS‑compliant semiconductor material meets environmental regulations while delivering consistent electrical characteristics, providing peace of mind for eco‑conscious designers and ensuring long‑term reliability.
• Pack of 20 diodes supplied in an anti‑static ESD bag with clear labeling simplifies inventory management and quick replacement, reducing service time and minimizing the risk of incorrect part installation.
• Dedicated technical support and comprehensive datasheets ensure seamless integration and ongoing assistance for engineers and maintenance personnel, providing expert guidance throughout the product lifecycle.

Together, these features make the 1.5KE36A a versatile choice for protecting a broad spectrum of electronic assemblies. Whether the application demands high surge capacity, compliance with environmental standards, or ease of installation, the diode delivers a balanced combination of performance and practicality. Its proven track record in industrial and scientific markets underscores its reliability, while the supportive ecosystem provided by Chanzon ensures that users receive the guidance they need throughout the product lifecycle.

FAQ

What is the maximum voltage the 1.5KE36A can withstand?

The 1.5KE36A is specified with a reverse standoff voltage (VRWM) of 36 V. This means the diode can block voltages up to 36 V in normal operation without conducting. When a transient voltage exceeds this threshold, the device quickly clamps the voltage to a safe level, typically around 70 V, protecting downstream circuitry. The rating is chosen to match common 5 V and 12 V system rails, providing a margin that prevents nuisance triggering while still offering strong surge suppression.

Can these diodes be used in a bidirectional configuration?

The 1.5KE36A is a unidirectional transient voltage suppressor, meaning it is intended to protect a single polarity line. For applications that require protection on both positive and negative swings, designers can place two identical diodes back‑to‑back, with their cathodes connected together, to achieve bidirectional behavior. Alternatively, a dedicated bidirectional TVS part with symmetrical clamping characteristics may be selected if space or component count is a concern. The unidirectional design offers lower capacitance and faster response for most DC‑powered circuits.

How does the packaging protect the diodes during shipping?

Each diode is individually sealed in a moisture‑resistant package, and the entire set of twenty units is placed inside an anti‑static ESD bag. The bag prevents electrostatic discharge from damaging the semiconductor junctions and also shields the components from physical impacts and dust during transit. The clear label on the bag lists the model number, voltage rating, and power handling, allowing quick visual verification. This packaging approach ensures that the diodes arrive in pristine condition, ready for immediate installation.

Are replacement parts readily available if a diode fails?

The 1.5KE36A is a standard part that is stocked by Chanzon and major electronic component distributors worldwide. When a diode fails, the clear labeling on each component makes it easy to identify the correct replacement. Because the part is widely available, lead times are short and bulk purchases are possible for large installations. Our technical support team can also assist with troubleshooting and recommend the appropriate quantity to keep on hand for preventive maintenance.

What is the recommended mounting orientation for the diode on a PCB?

The diode should be mounted with the cathode (marked by a stripe) oriented toward the line that requires protection, following the polarity indicated in the datasheet. Proper orientation ensures that the device clamps over‑voltage events correctly while allowing normal forward current flow when needed.

What temperature range can the diode operate in?

The 1.5KE36A is rated for operation from –55 °C to +125 °C, covering the typical extremes encountered in industrial, automotive, and outdoor environments. Its performance specifications, including leakage current and clamping voltage, remain stable across this range, ensuring reliable protection under both cold start and high‑temperature conditions.