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Description
Overview of Diode Modules and Thyristor Modules Non-Isolated Type
Diode modules and thyristor modules are integral components in power electronics, used for rectification, switching, and regulation of electrical power. They play a crucial role in converting AC to DC, controlling motor speeds, and managing power flow in various applications. Non-isolated types of these modules mean that there is no galvanic isolation between the input and output circuits, which can lead to simpler designs but also requires careful consideration regarding safety and noise suppression.
Features of Diode Modules and Thyristor Modules Non-Isolated Type
For both diode and thyristor modules of the non-isolated type, the key feature is the direct connection between input and output without any form of isolation. This design simplifies the circuitry and reduces cost but necessitates proper grounding and shielding to prevent electrical hazards and electromagnetic interference (EMI). Additionally, non-isolated modules typically offer:
- Direct Coupling: Input and output share a common ground, simplifying installation.
- Cost-Effective: Fewer components required compared to isolated designs.
- Higher Efficiency: Less energy lost due to the absence of an isolation transformer.
- Potential Safety Concerns: Requires strict adherence to safety standards to avoid risks associated with electrical shock.

(MMSZ5243ET1 DIODE ZENER 13V 500MW SOD-123)
Specifications of MMSZ5243ET1 DIODE ZENER 13V 500MW SOD-123
This diode is a Zener diode. It regulates voltage. It works in reverse bias mode. The key parameter is its Zener voltage. This specific model is rated for 13 volts. It means the breakdown happens at roughly 13 volts. This voltage is stable over a range of currents. The tolerance is usually around 5%. This is typical for such diodes.
Power handling is critical. This diode can dissipate up to 500 milliwatts. This is its maximum power rating. You must not exceed this value. Exceeding it causes damage. The power rating depends on temperature. The derating curve is important. It shows how power decreases as temperature rises. The maximum junction temperature is 150 degrees Celsius. The storage temperature range is wider. It goes from -55 to 150 degrees Celsius.
The package type is SOD-123. This is a small surface-mount device. It saves space on circuit boards. The package has two leads. These are for anode and cathode. The cathode is usually marked. It might be a stripe on the body. Mounting requires attention. Follow standard SMD soldering practices.
Leakage current is low. This is good for efficiency. The typical value is small. It is often just a few microamps. This applies below the breakdown voltage. The forward voltage is about 1 volt. This is when used like a normal diode. The dynamic impedance matters. It affects voltage regulation quality. A lower impedance is better. This diode offers good regulation. It is suitable for many tasks.
Common uses include voltage clamping. It protects circuits from overvoltage. It works well as a voltage reference. Simple power supplies use it. It stabilizes the output voltage. It is used in protection circuits. It safeguards sensitive components. It is found in various electronic devices. It is a reliable component. It performs well under normal conditions.

(MMSZ5243ET1 DIODE ZENER 13V 500MW SOD-123)
Applications of MMSZ5243ET1 DIODE ZENER 13V 500MW SOD-123
This diode helps manage voltage in circuits. It works best as a voltage regulator. It keeps a steady 13 volts across it when connected correctly. This is vital for sensitive parts needing constant voltage. It also clamps voltage spikes. When voltages jump too high, it activates. This stops the high voltage from damaging other components. Circuits see this in power supplies or signal lines. It protects against unexpected surges. This is a common protection method.
This diode handles up to 500 milliwatts of power. This power rating matters for design. Engineers pick it knowing its limits. The SOD-123 package is small. It saves space on circuit boards. This tiny size is good for modern electronics. Phones and computers often use parts this small. Mounting it is straightforward for production.
It offers a reliable 13V reference. Other parts can use this stable point. Its performance is consistent. Designers trust it for critical spots. It shields inputs and outputs from over-voltage. Connecting it across a line diverts excess voltage. This simple action prevents harm. Its quick response time is key. It reacts fast to voltage changes. This speed protects delicate electronics instantly.
Company Profile
PDDN Photoelectron Technology Co., Ltd.(sales@pddn.com) is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters, transformers, voltage regulators, distribution cabinets, thyristors, modules, diodes, heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.
It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality MMSZ5243ET1 DIODE ZENER 13V 500MW SOD-123, please send us inquiries; we will be here to help you.
Payment Methods
L/C, T/T, Western Union, Paypal, Credit Card etc.
Shipment
By sea, by air, by express, as customers request.
Storage Conditions
1) Store in a dry environment at room temperature.
2) Avoid damp and high temperature.
3) Use immediately after opening the inner packing bag.
5 FAQs of MMSZ5243ET1 DIODE ZENER 13V 500MW SOD-123
What is the MMSZ5243ET1 diode?
It is a Zener diode. It regulates voltage. You use it in circuits to keep a steady voltage. Its main job is to clamp voltage or act as a voltage reference.
What voltage does this Zener diode regulate?
It regulates 13 volts. That is its nominal Zener voltage. The actual voltage might vary slightly. Expect a tolerance of about ±5%. So it won’t be exactly 13V all the time.
How much power can it handle?
This diode can handle up to 500 milliwatts (500mW) of power. You must not exceed this limit. Going over 500mW can break the diode. You need to design your circuit properly.
What package does it come in?
It uses the SOD-123 surface mount package. This package is very small. It is designed for automated assembly on circuit boards. You need the right tools to solder it.
Where do people use this diode?
People commonly use it for voltage regulation in low-power circuits. Examples include protecting sensitive components from overvoltage. It also works well as a voltage reference source. You find it in power supplies, sensors, and other small electronics.

(MMSZ5243ET1 DIODE ZENER 13V 500MW SOD-123)
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