PVAZ172N Power MOSFET, N-Channel, TO-220 Package, High-Efficiency Switching

PVAZ172N Overview

The PVAZ172N is an advanced optically-isolated solid-state relay designed for precise signal switching in demanding industrial and electronic control systems. Its robust isolation and MOSFET-based output ensure high reliability, low on-state resistance, and superior performance for sensitive circuits. With a compact package, this device is well-suited for automation, instrumentation, and process control applications where electrical isolation and fast switching are critical. For more technical details, refer to IC Manufacturer.

PVAZ172N Technical Specifications

PVAZ172N Key Features

• Optical isolation offers robust protection between control and load circuits, reducing the risk of electrical interference and enhancing system safety.
• MOSFET output stage delivers fast switching speeds, which is critical for time-sensitive industrial automation and test equipment.
• Low on-state resistance minimizes power dissipation, enabling efficient operation in tightly packed electronic assemblies.
• High isolation voltage (4000 Vrms) ensures reliable performance in high-voltage environments, supporting long-term durability.
• Compact DIP-6 form factor simplifies PCB integration and is ideal for space-constrained designs.
• Consistent switching characteristics support precision and accuracy in process control and signal routing.

PVAZ172N Advantages vs Typical Alternatives

Compared to mechanical relays or basic photo-couplers, this solid-state relay delivers superior electrical isolation, faster response times, and reduced wear due to its contactless MOSFET design. The low on-state resistance and high voltage handling capability make it especially advantageous for applications requiring energy efficiency, reliability, and compact integration with other control devices.

Typical Applications

• Industrial automation systems: Provides reliable electrical isolation and rapid switching for PLCs, sensor interfaces, and actuator control, safeguarding sensitive logic circuitry from high-voltage transients.
• Test and measurement equipment: Enables accurate signal routing and switching in precision instruments without introducing mechanical noise or degradation over time.
• Process control systems: Used for switching and isolating process signals, ensuring accurate data acquisition and actuator control in harsh industrial environments.
• Building automation: Integrates into HVAC, lighting control, and security systems where silent, maintenance-free operation and electrical safety are paramount.

PVAZ172N Brand Info

The PVAZ172N represents the manufacturer??s commitment to high-performance opto-isolated switching technology. This specific model is engineered to deliver robust isolation, fast operation, and long-term reliability in electronic and industrial applications. Its design addresses the needs of engineers requiring dependable, compact, and efficient solid-state relays for critical control and automation tasks.

FAQ

What is the primary function of the PVAZ172N in control systems?

The device serves as an optically-isolated solid-state relay, primarily used to switch high-voltage loads with electrical isolation between control and output sides. This function protects sensitive control circuits from voltage spikes and transients originating from the load side.

How does the PVAZ172N improve reliability compared to mechanical relays?

By utilizing a MOSFET output stage and optical isolation, this device eliminates mechanical contacts that can wear out or introduce switching noise. This design greatly enhances service life and operational reliability, especially in continuous-use or high-cycle environments.

Can the PVAZ172N be used in applications with limited PCB space?

Yes, its DIP-6 package is compact, making it suitable for densely populated circuit boards. The small footprint allows for easy integration into space-constrained designs without compromising performance or reliability.

What are the key benefits of the high isolation voltage rating?

The 4000 Vrms isolation rating ensures strong protection between control and load circuits, reducing the risk of electrical faults, cross-talk, or damage in high-voltage environments. This is vital for applications prioritizing safety and long-term stability.

Is the PVAZ172N suitable for fast switching operations?

Yes, with typical turn-on and turn-off times of 0.5 ms, this relay supports rapid switching required in automation, signal routing, and instrumentation applications. These characteristics make it ideal where timing precision is a critical factor.