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Vishay 800 V Avalanche Zener Diode, Single Through Hole 2-Pin SOD-64 BYW178-TR
Specifications
| Country of Origin | Hungary |
|---|---|
| Brand | Vishay |
| Height | 4.3mm |
| Length | 4mm |
| Model | BYW178-TR |
| Mount Type | Through Hole |
| Series | BYW178 |
| Maximum Operating Temperature | 175°C |
| Package Type | SOD-64 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Diode Configuration | Single |
| Maximum Reverse Leakage Current | 1μA |
| Nominal Zener Voltage Vz | 800V |
| Zener Type | Avalanche |
Key Features
- Supports a maximum reverse voltage of 800 V.
- Configured as a single diode element suitable for avalanche applications.
- Features a fast reverse recovery time for efficient switching.
- Constructed with a hermetically sealed axial-leaded glass envelope.
- Operates reliably between -55°C and 175°C junction temperatures.
- Pin count is 2 with through-hole mounting for secure PCB placement.
- Glass passivated junction minimizes leakage and enhances stability.
- Lead (Pb) free and halogen free RoHS compliant component.
Product Description
Vishay BYW178-TR Avalanche Zener Diode is a high-performance 800 V nominal zener voltage device configured as a single element diode packaged in a 2-pin through hole SOD-64 form factor. It is designed for applications requiring reliable ultrafast avalanche performance and low leakage current, suitable for industrial and electronic power circuits.
This diode features a fast reverse recovery time enabled by its special avalanche design and a hermetically sealed axial-leaded glass envelope that provides excellent protection and durability. The device is glass passivated, halogen free, and lead free in compliance with modern environmental standards.
Its operating temperature range spans from -55°C to 175°C junction temperature, allowing it to function reliably in demanding environments. This diode's maximum reverse leakage current is limited to 1μA, indicating high efficiency and stability. The two-pin through hole packaging allows simple and secure installation on printed circuit boards, making it ideal for power supply switching and voltage regulation.
Supports a maximum reverse voltage of 800 V. Configured as a single avalanche diode element. Offers fast reverse recovery time for switching applications. Hermetically sealed axial-leaded glass package ensures durability.
Glass passivated junction reduces leakage current. Lead-free and halogen-free construction helps compliance with RoHS. Operates within -55°C to 175°C junction temperature range. Through hole mount type with 2 pins. Manufactured in Hungary for high quality assurance.
Designed for ultrafast rectification in power supplies and voltage regulation.
This Vishay Zener diode is optimal for industrial electronics, power management systems, switching mode power supplies, and voltage regulator circuits. It offers consistent performance under high voltage stress and temperature extremes, making it well-suited for demanding commercial and industrial applications.
For more products in the Vishay diode category or to explore related semiconductor components, browse the Electronics & Electricals > Semiconductor > Zener Diodes category on EnvMart.
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Frequently Asked Questions
The nominal zener voltage of this diode is 800 V.
The maximum reverse leakage current for the BYW178-TR is limited to 1μA.
This model operates reliably within a temperature range of -55°C to 175°C.
The diode uses a through-hole mounting type with 2 pins for secure PCB placement.
The package type of this diode is SOD-64.
It features a hermetically sealed axial-leaded glass envelope, providing excellent protection.
The diode is configured as a single element, suitable for avalanche applications.
This diode is suitable for industrial electronics, power management systems, and voltage regulation.
The diode has a height of 4.3 mm and a length of 4 mm.
Yes, the BYW178-TR is lead-free and halogen-free, complying with RoHS standards.
The Vishay BYW178-TR is manufactured in Hungary.
This model is designed for ultrafast avalanche performance with a fast reverse recovery time for efficient switching.
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