1N5312 Overview
The 1N5312 is a silicon-based Zener diode designed primarily for voltage regulation and reference applications. Its stable breakdown voltage and robust construction make it suitable for precision voltage clamping and voltage stabilization in electronic circuits. This device features a nominal Zener voltage of 12 volts with a power dissipation rating that supports reliable operation under moderate load conditions. Its consistent electrical characteristics allow engineers to implement it confidently in power supplies, signal conditioning, and protection circuits. For sourcing and detailed information, visit IC Manufacturer.
1N5312 Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Zener Voltage (VZ) | 12 | V |
| Test Current (IZT) | 20 | mA |
| Maximum Power Dissipation (PD) | 1.0 | W |
| Maximum Zener Current (IZM) | 100 | mA |
| Dynamic Impedance (ZZ) | 7 | ?? |
| Forward Voltage Drop (VF) | 1.2 | V @ 200 mA |
| Operating Temperature Range | -65 to +200 | ??C |
| Package Type | DO-35 Glass Axial | – |
1N5312 Key Features
- Stable 12 V Zener Voltage: Provides precise voltage reference essential for accurate voltage regulation in sensitive circuits.
- 1 Watt Maximum Power Dissipation: Supports moderate power applications while maintaining thermal reliability.
- Low Dynamic Impedance: Ensures minimal voltage variation with changes in current, enhancing voltage stability.
- Wide Operating Temperature Range: Maintains performance in harsh industrial environments from -65??C to +200??C.
- DO-35 Axial Package: Facilitates easy integration into through-hole PCB layouts with reliable mechanical and thermal properties.
1N5312 Advantages vs Typical Alternatives
Compared to other Zener diodes in the same voltage range, this device offers superior voltage stability and low dynamic impedance, which improves regulation accuracy. Its robust thermal limits and moderate power rating make it more reliable for industrial-grade voltage reference applications. Additionally, the axial glass package ensures durability and ease of handling compared to surface-mount alternatives, supporting long-term operational integrity.
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Typical Applications
- Voltage regulation in power supplies: Provides a stable reference voltage to maintain output voltage consistency under varying load conditions, critical for industrial and instrumentation systems.
- Voltage clamping: Protects sensitive electronic components from voltage spikes by limiting excessive voltage levels.
- Signal conditioning circuits: Ensures precise voltage thresholds for analog and digital signal processing applications.
- Reference voltage source: Utilized in calibration and measurement devices requiring a stable, known voltage for accuracy.
1N5312 Brand Info
The 1N5312 is a widely recognized Zener diode product within the semiconductor industry, often supplied by established manufacturers specializing in electronic components. Known for its dependable performance in voltage regulation tasks, this device is a standard choice for engineers requiring consistent voltage references. Its proven design and reliable specifications make it an integral part of precision and industrial electronic solutions.
FAQ
What is the nominal Zener voltage of the 1N5312 diode?
The nominal Zener voltage is 12 volts. This voltage rating indicates the point at which the diode enters breakdown and maintains a stable voltage, which is critical for voltage regulation applications.
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What is the maximum power dissipation rating for this device?
The maximum power dissipation is rated at 1 watt. This means the diode can safely dissipate up to 1 watt of power without damage, suitable for moderate power applications in circuits requiring voltage stabilization.
How does the dynamic impedance affect performance?
Dynamic impedance is the small-signal resistance of the diode in its breakdown region, measured here at approximately 7 ohms. Lower dynamic impedance means better voltage stability under varying currents, minimizing voltage fluctuations in regulated circuits.
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What package type does the 1N5312 use, and why is it important?
This diode uses a DO-35 glass axial package, which provides robust mechanical protection and facilitates easy through-hole mounting on printed circuit boards. The package also supports reliable thermal dissipation, enhancing the diode??s durability.
Can this diode operate in extreme temperature environments?
Yes, it is rated for an operating temperature range from -65??C up to +200??C, making it suitable for industrial and harsh environmental applications where temperature extremes are common.
