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| Country of Origin | China |
|---|---|
| Brand | Vishay |
| Height | 1.7mm |
| Length | 3.9mm |
| Model | 1N5221B-TR |
| Mount Type | Through Hole |
| Series | 1N5221B |
| Maximum Operating Temperature | 175°C |
| Package Type | DO-35 |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Automotive Standard | AEC-Q101 |
| Maximum Power Dissipation Pd | 500mW |
| Diode Configuration | Single |
| Test Current It | 20mA |
| Maximum Reverse Leakage Current | 100μA |
| Nominal Zener Voltage Vz | 2.4V |
| Zener Type | General Purpose |
| Maximum Zener Impedance | 30Ω |
Vishay 1N5221B-TR is a single configuration Zener diode designed for general purpose voltage regulation applications. It features a nominal Zener voltage of 2.4 V and supports power dissipation up to 500 mW, packaged in a durable DO-35 through hole type package. This diode is suitable for discrete semiconductor applications in electronics and electrical circuits.
The diode maintains a tight voltage tolerance of ±5% and a maximum Zener impedance of 30 ohms ensuring stable operation. It limits the maximum reverse leakage current to 100 microamperes, which contributes to improved circuit performance and reliability.
The 1N5221B-TR diode is tested at a current of 20 mA and qualifies under the AEC-Q101 automotive standard, indicating robustness for automotive and industrial environments. It is capable of operating at temperatures as high as 175°C, allowing usage in demanding thermal conditions.
Its compact physical dimensions with a length of 3.9 mm and height of 1.7 mm make it suitable for space-sensitive designs. The through hole mount type with 2 pins facilitates straightforward integration into circuit boards.
Single diode configuration with nominal Zener voltage of 2.4 V. Maximum power dissipation of 500 mW in DO-35 package. Through hole mount type with 2 pins for easy assembly. Zener voltage tolerance of ±5% for precision regulation.
Max reverse leakage current of 100 µA for efficiency. Operating temperature up to 175°C suitable for harsh environments. Test current at 20 mA ensuring reliable Zener characteristics. Automotive standard AEC-Q101 certification for quality assurance.
Compact dimensions of 3.9 mm length and 1.7 mm height.
This Vishay Zener diode is widely applicable in industrial electronics, automotive circuits, power supplies, and discrete semiconductor solutions where voltage regulation and stability are critical. Its compliance with automotive standards makes it suitable for vehicle electronics systems, industrial machinery, and control equipment.
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