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| Country of Origin | China |
|---|---|
| Brand | Vishay |
| Height | 1.7mm |
| Length | 3.9mm |
| Model | 1N5251B-TR |
| Mount Type | Through Hole |
| Series | 1N5251B |
| Maximum Operating Temperature | 175°C |
| Package Type | SOD-27 |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Automotive Standard | AEC-Q101 |
| Maximum Power Dissipation Pd | 500mW |
| Diode Configuration | Single |
| Test Current It | 5.6mA |
| Maximum Reverse Leakage Current | 100nA |
| Nominal Zener Voltage Vz | 22V |
| Zener Type | General Purpose |
| Maximum Zener Impedance | 29Ω |
Vishay 1N5251B-TR Zener Diode is a single diode designed for general-purpose voltage regulation and protection applications in electronic circuits. This device features a nominal Zener voltage of 22 V and a maximum power dissipation of 500 mW, making it ideal for use in moderate power electronics requiring stable voltage clipping and surge protection.
The diode is mounted in a compact through hole SOD-27 package with 2 pins, suitable for easy insertion into printed circuit boards. It offers a tight voltage tolerance of ±5% for providing precise voltage regulation and a typical voltage temperature coefficient of 0.09% per Kelvin, ensuring consistent performance over a wide temperature range. This component meets AEC-Q101 automotive standards, enabling its use in automotive electronic systems that demand high reliability.
Key electrical parameters include a test current of 5.6 mA, maximum Zener impedance of 29 ohms, and maximum reverse leakage current as low as 100 nA, which minimizes power loss and improves circuit efficiency. It supports operation at temperatures up to 175°C, ensuring durability in harsh environments.
Typical applications encompass electronic equipment voltage stabilization, transient voltage suppression, and noise suppression in industrial, automotive, and consumer electronics systems.
Package dimensions are small with a length of 3.9 mm and height of 1.7 mm, facilitating compact circuit design. Country of origin is China. Provides stable voltage regulation at 22 V nominal Zener voltage. Maximum power dissipation of 500 mW suits moderate power applications.
Compact through hole SOD-27 package with 2-pin configuration. Wide operating temperature range up to 175°C ensures reliability. Low maximum reverse leakage current of 100 nA reduces losses. Compliance with AEC-Q101 automotive standard enables automotive use.
Voltage tolerance ±5% and Zener impedance of 29Ω for precise operation. Typical current test rating of 5.6 mA for design usage references.
For electronics engineers and designers, the Vishay 1N5251B-TR Zener Diode delivers reliable regulation and protection in industrial, automotive, and commercial electronic equipment. Explore more semiconductors and diode components in the Electronics & Electricals category on EnvMart.
Explore more products in our Zener Diodes category.
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