1N5247B-TR

Single Zener Diodes Overview

The 1N5247B-TR is a silicon planar power Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 17 V with a standard tolerance of ±5%, indicated by the 'B' suffix. The device operates in a DO-35 (DO-204AH) axial leaded glass package and has a maximum power dissipation of 500 mW at 25°C ambient temperature. Electrical characteristics include a test current of 7.4 mA, a maximum reverse leakage current of 0.1 µA at 13 V, and a typical dynamic resistance of 19 Ω at the test current.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for robust voltage regulation
• Provides stable reference voltages within specified thermal limits
• Features an isolated glass case construction

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the required tolerance suffix. Confirm the package type corresponds to the DO-35 form factor. Ensure the supplier documentation aligns with the specific Vishay datasheet revision for accurate electrical parameters.

Single Zener Diodes Selection Notes

Select this component when a 17 V reference is required with ±5% accuracy. Consider the 500 mW power rating and thermal resistance constraints during circuit design. Verify compatibility with the intended operating temperature range and lead length requirements.

Single Zener Diodes Part Context

This part belongs to the 1N5221 to 1N5267 series of small signal Zener diodes from Vishay. The series covers a wide voltage range from 2.4 V to 75 V. Other variants are available in MiniMELF, SOT-23, and SOD-123 packages.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 17 V Zener diodes in the DO-35 package. Verify matching electrical specifications such as dynamic resistance and leakage current before substitution.

Single Zener Diodes FAQ

What does the 'B' suffix indicate in the part number?

The 'B' suffix denotes a standard Zener voltage tolerance of ±5%.

What is the maximum junction temperature?

The maximum junction temperature is 175 °C.