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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.

(MM1W30 DIODE ZENER 30V 1W SOD-123)
Specifications of MM1W30 DIODE ZENER 30V 1W SOD-123
The MM1W30 is a Zener diode. It provides a stable reference voltage. Its main voltage rating is 30 volts. This rating is called the Zener voltage. The diode handles up to 1 watt of power. This power rating is important. It shows how much energy the diode can manage without damage. The diode comes in a SOD-123 surface mount package. This package is very small. It saves space on circuit boards. The SOD-123 package is popular. Designers use it often.
The diode operates well within a specific temperature range. This range is typically from -65 degrees Celsius to +150 degrees Celsius. This means it works reliably in most environments. It can handle normal heat and cold conditions. The diode is designed for voltage regulation tasks. It clamps voltage spikes. It protects sensitive electronic parts. Engineers choose it for power supplies. They use it in voltage regulators too. It stabilizes voltage levels effectively.
Its reverse breakdown voltage is tightly controlled. This voltage is 30 volts. It offers good accuracy. The diode conducts current in reverse bias. This happens when voltage exceeds its breakdown point. It maintains a nearly constant voltage drop. This characteristic is vital for regulation. The maximum reverse leakage current is low. This leakage is measured at a specific test voltage. Low leakage is good for efficiency.
The diode can dissipate 1 watt of power. This power dissipation rating applies under certain conditions. The mounting surface temperature affects this. Proper heat sinking helps. The SOD-123 package has specific dimensions. These dimensions are standardized. They fit automated assembly equipment. The diode has two terminals. These terminals are clearly marked. Polarity matters during installation. Installing it backwards will not work correctly. Always check the markings. The MM1W30 is a reliable component. It suits many common circuit designs.

(MM1W30 DIODE ZENER 30V 1W SOD-123)
Applications of MM1W30 DIODE ZENER 30V 1W SOD-123
The MM1W30 diode is a Zener diode. It handles 30 volts and 1 watt of power. This diode comes in a small SOD-123 package. Its main job is voltage regulation. Many circuits need a stable voltage. The MM1W30 provides this stability. It works like a safety valve for voltage. Normally, it blocks current flow in one direction. When the voltage gets too high, it starts to conduct. This happens right at 30 volts for this diode. So it holds the voltage steady at that level. This stops the voltage from going higher. It protects sensitive parts downstream.
You find this diode in power supplies. It helps set the output voltage accurately. It is good for protecting integrated circuits. Sudden voltage spikes can damage chips. The MM1W30 clamps those spikes. It limits the voltage to 30 volts or less. This saves expensive components. Another use is as a voltage reference. Some circuits need a known voltage point. The Zener voltage is very stable. Designers use it for precise comparisons.
The small SOD-123 package saves space. It fits easily onto circuit boards. This is important for modern electronics. Devices keep getting smaller. The 1-watt power rating matters. It means the diode can handle more energy. This is better than lower-power Zeners. It offers more flexibility in designs. Engineers choose it for its reliability. It performs well in various conditions. It is a common part in many designs.
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 MM1W30 DIODE ZENER 30V 1W 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 MM1W30 DIODE ZENER 30V 1W SOD-123
What is the MM1W30 diode?
The MM1W30 is a Zener diode. It provides voltage regulation. The diode has a breakdown voltage of 30V. Its power rating is 1 watt. It comes in an SOD-123 surface-mount package. This package is compact. It saves space on circuit boards.
What are the key specifications?
The key specs include a 30V nominal Zener voltage. The power dissipation is 1W. The SOD-123 package is small. The diode handles typical Zener currents. It maintains stable voltage regulation. These specs suit various protection circuits.
Where is this diode used?
This diode is used for voltage regulation. It protects circuits from overvoltage. It clamps voltage spikes. Common uses include power supplies. It also protects sensitive ICs. Voltage reference points use it too.
Why pick the SOD-123 package?
The SOD-123 package is very small. It fits tight spaces on PCBs. This saves board area. It is easy to solder. Automated assembly processes use it. The small size is ideal for modern electronics.
How do I handle this diode?
Handle it with care. Follow standard ESD precautions. Static electricity can damage it. Use proper soldering techniques. Avoid exceeding its power rating. Keep within the specified temperature range. This ensures reliability.

(MM1W30 DIODE ZENER 30V 1W SOD-123)
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