1N5293/TR Overview
The 1N5293/TR is a silicon voltage regulator diode designed to provide stable voltage reference in a wide range of industrial and electronic circuit applications. This device offers a precise voltage regulation of 12 volts with a power dissipation rating suitable for robust performance in demanding environments. Its robust construction and reliable voltage stability make it ideal for use in power supplies, voltage stabilization, and waveform clipping circuits. Manufactured to meet stringent quality standards, it ensures consistent operation under varying temperature and load conditions. For detailed product sourcing and specifications, visit IC Manufacturer.
1N5293/TR Technical Specifications
| Parameter | Value | Unit | Description |
|---|---|---|---|
| Nominal Zener Voltage | 12 | V | Voltage regulation level at test current |
| Test Current (IZT) | 21 | mA | Current at which the nominal voltage is specified |
| Maximum Zener Current (IZM) | 100 | mA | Maximum current allowed through the device |
| Power Dissipation (Ptot) | 500 | mW | Maximum power rating at 25??C ambient temperature |
| Dynamic Impedance (ZZT) | 7 | ?? | Impedance at test current, affecting voltage stability |
| Operating Temperature Range | -65 to +200 | ??C | Range of ambient temperatures for reliable operation |
| Forward Voltage (VF) | 1.2 | V | Maximum forward voltage at 200 mA forward current |
| Package Type | DO-35 | – | Standard axial lead glass package for easy PCB mounting |
1N5293/TR Key Features
- Precision Voltage Regulation: Maintains a stable 12 V output within specified current ranges, ensuring consistent circuit performance.
- High Power Dissipation Capability: Supports up to 500 mW power dissipation, enabling reliability in high-stress electronic environments.
- Low Dynamic Impedance: With 7 ?? dynamic impedance, the device offers minimal voltage variation under changing load conditions.
- Wide Operating Temperature Range: Functions effectively from -65??C to +200??C, suitable for harsh industrial and aerospace applications.
1N5293/TR Advantages vs Typical Alternatives
This voltage regulator diode provides superior voltage stability and thermal endurance compared to standard Zener diodes. Its low dynamic impedance enhances accuracy, while the wide temperature tolerance supports reliable operation in challenging environments. These factors contribute to improved power efficiency and longer device lifespan, making it a preferred choice for precise voltage regulation in demanding industrial applications.
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Typical Applications
- Voltage regulation in power supplies, where stable reference voltage is crucial for circuit integrity and performance under variable load.
- Voltage clamping and waveform clipping to protect sensitive components from voltage spikes and transients.
- Precision voltage reference in measurement and instrumentation systems requiring reliable, repeatable voltage levels.
- Use in industrial control systems exposed to wide temperature ranges and power fluctuations.
1N5293/TR Brand Info
The 1N5293/TR is offered by reputable semiconductor manufacturers specializing in discrete components for industrial electronics. This product line is recognized for quality assurance, rigorous testing, and compliance with international standards. The device??s packaging and labeling ensure authenticity and ease of identification, supporting efficient procurement and inventory management for engineering and sourcing professionals.
FAQ
What is the maximum power dissipation rating for this voltage regulator diode?
The device can safely dissipate up to 500 milliwatts at an ambient temperature of 25??C. Proper heat sinking or PCB design considerations should be applied to maintain this rating during operation.
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Which package type does the component come in, and how does it affect mounting?
This diode is housed in a DO-35 axial lead glass package, which facilitates easy through-hole mounting on printed circuit boards, providing good mechanical durability and thermal conduction.
What are the typical operating temperature limits for reliable use?
The specified operational temperature range spans from -65??C to +200??C, allowing this diode to function reliably in extreme environmental conditions including aerospace and industrial applications.
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How does the dynamic impedance influence circuit performance?
Dynamic impedance, rated at 7 ohms, indicates the diode??s voltage stability under varying current loads. Lower impedance minimizes voltage fluctuations, enhancing precision in voltage regulation applications.
Can this device be used for both voltage regulation and voltage clamping purposes?
Yes, it is suitable for voltage regulation by maintaining a constant voltage, and it can also act as a voltage clamp or waveform clipper to protect circuits from voltage transients and spikes.






