onsemi

1N5350B

1N5350B Description

The 1N5350B from onsemi is a 13V, 5W Zener diode designed for voltage regulation and protection in electronic circuits. Packaged in an axial form factor, this through-hole component offers a ±5% tolerance on its nominal Zener voltage (Vz), ensuring reliable performance in precision applications. With a low reverse leakage current of 1 µA @ 9.9 V and a forward voltage drop of 1.2 V @ 1 A, it balances efficiency and stability. The diode's maximum impedance (Zzt) of 2.5 Ohms enhances its ability to maintain consistent voltage under varying load conditions.

1N5350B Features

• High Power Handling: With a 5W power dissipation rating, the 1N5350B outperforms lower-wattage Zener diodes in demanding applications.
• Precision Voltage Regulation: ±5% tolerance on the 13V Zener voltage ensures accuracy in voltage reference circuits.
• Low Leakage Current: 1 µA @ 9.9 V minimizes power loss in standby or low-power modes.
• Robust Construction: Axial package and unlimited MSL rating make it suitable for industrial environments.
• Compliance: REACH Unaffected and EAR99 ECCN classification simplify regulatory compliance for global use.

1N5350B Applications

• Voltage Regulation: Ideal for power supplies, voltage stabilizers, and reference circuits requiring a stable 13V output.
• Overvoltage Protection: Used in surge suppressors and transient voltage suppression (TVS) applications to safeguard sensitive components.
• Industrial Electronics: Suitable for motor control, instrumentation, and automation systems due to its high power tolerance.
• Consumer Electronics: Employed in audio amplifiers, LED drivers, and power management modules for reliable performance.

Conclusion of 1N5350B

The 1N5350B stands out as a high-power, precision Zener diode with robust performance in voltage regulation and protection circuits. Its 5W dissipation, low leakage, and tight tolerance make it a superior choice over lower-rated alternatives. While marked as obsolete, its axial packaging and reliability ensure continued suitability for legacy designs and industrial applications. Engineers seeking a cost-effective, high-performance solution for 13V regulation will find the 1N5350B exceptionally capable.