1N5293-1 Zener Diode 12V 5W Voltage Regulator – DO-41 Glass Package

1N5293-1 Overview

The 1N5293-1 is a precision voltage regulator diode designed for stable and reliable voltage reference applications. It operates as a Zener diode with a nominal voltage of approximately 12V, offering consistent voltage regulation under varying current conditions. This component is optimized for use in power supplies, voltage stabilization circuits, and surge protection. Its robust construction ensures durability and dependable performance in industrial environments where accurate voltage control is critical. Engineers and sourcing specialists can rely on this device for precise voltage clamping and regulation needs. For further details, visit IC-Hersteller.

1N5293-1 Technical Specifications

Parameter	Spezifikation	Einheit
Zener Voltage (VZ)	12	Spannungen
Verlustleistung (PD)	5	Watts
Maximum Zener Current (IZM)	430	mA
Test Current (IZT)	21	mA
Maximum Forward Voltage (VF)	1.2	Spannungen
Temperature Coefficient	+7.5	mV/??C
Junction Capacitance	25	pF
Betriebstemperaturbereich	-65 bis +200	??C

1N5293-1 Key Features

• Stable Voltage Regulation: Provides a precise 12V reference voltage, ensuring minimal voltage variation for sensitive circuits.
• High Power Dissipation Capacity: Supports up to 5 watts of power, allowing for use in moderate power regulation without thermal overload.
• Breiter Betriebstemperaturbereich: Maintains performance from -65??C to +200??C, suitable for harsh industrial environments requiring reliability.
• Low Junction Capacitance: At 25pF, enables faster response times in AC signal applications, improving overall circuit stability.

1N5293-1 Advantages vs Typical Alternatives

This voltage regulator diode offers superior power handling and thermal stability compared to standard Zener diodes in similar voltage ranges. Its wider operating temperature range and low forward voltage drop provide enhanced reliability and efficiency, making it well-suited for demanding industrial applications where precision and durability are essential.

Typische Anwendungen

• Voltage regulation in power supply circuits, providing stable reference voltages for analog and digital systems to ensure consistent operation under varying load conditions.
• Overvoltage protection in sensitive electronic modules, safeguarding components by clamping voltage spikes effectively.
• Waveform clipping and voltage stabilization in signal conditioning circuits, enhancing signal integrity and noise immunity.
• Temperature-compensated reference diode in instrumentation systems, supporting accurate measurement and control functions over wide temperature ranges.

1N5293-1 Brand Info

The 1N5293-1 is part of a well-established series of Zener diodes manufactured by recognized industry suppliers known for quality and consistency. This product line is tailored to meet stringent industrial standards for voltage regulation and protection. The 1N5293-1 specifically caters to applications requiring a 12V voltage reference with high power dissipation and reliability, backed by comprehensive datasheet specifications and manufacturing quality assurance.

FAQ

What is the maximum power dissipation of this voltage regulator diode?

This device supports a maximum power dissipation of 5 watts, allowing it to handle moderate power levels in voltage regulation applications without risk of thermal damage, provided it is properly heat-sinked.

What is the typical test current used to specify the Zener voltage?

The nominal Zener voltage of 12V is specified at a test current of 21 milliamps, ensuring stable voltage regulation at this operating point commonly used in design references.

Can this diode operate in high-temperature environments?

Yes, it is designed to function reliably over a broad temperature range from -65??C to +200??C, making it suitable for industrial and aerospace applications exposed to extreme temperature variations.

How does the forward voltage drop affect circuit design?

The maximum forward voltage drop is 1.2 volts, which is relatively low and helps reduce power loss and heat generation when the diode conducts in the forward direction, improving overall efficiency.

Is the junction capacitance significant for high-frequency applications?

With a junction capacitance of approximately 25 picofarads, this diode offers low capacitive effects, which is beneficial for high-frequency or transient response circuits by minimizing signal distortion and improving response times.