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1N5355B

1N5355B Description

The 1N5355B from NTE Electronics, Inc. is a high-reliability 18V, 5W Zener diode designed for precision voltage regulation and surge protection in electronic circuits. Packaged in an axial-lead through-hole configuration, it offers robust performance with a ±5% tolerance on its nominal Zener voltage (Vz), ensuring stable operation in demanding environments. With a reverse leakage current as low as 500 nA @ 13.7 V and a forward voltage drop of 1.2 V @ 1 A, this diode excels in efficiency and minimal power dissipation. Its low dynamic impedance (Zzt) of 2.5 Ohms enhances transient response, making it suitable for high-stability applications.

1N5355B Features

• High Power Handling: 5W max power dissipation for robust performance in high-current circuits.
• Precision Voltage Regulation: 18V nominal Zener voltage with ±5% tolerance ensures consistent output.
• Low Leakage Current: 500 nA @ 13.7 V minimizes power loss in standby modes.
• Fast Response: Low Zzt (2.5 Ohms) improves transient voltage suppression.
• RoHS3 Compliant: Environmentally friendly and meets modern regulatory standards.
• Axial Package: Easy through-hole mounting for prototyping and industrial applications.

1N5355B Applications

• Voltage Regulation: Ideal for power supplies, voltage references, and DC-DC converters requiring stable 18V output.
• Overvoltage Protection: Used in surge suppressors, TVS circuits, and automotive electronics to safeguard sensitive components.
• Industrial Controls: Reliable performance in PLC systems, motor drives, and instrumentation.
• Consumer Electronics: Protects audio amplifiers, LED drivers, and telecom equipment from voltage spikes.

Conclusion of 1N5355B

The 1N5355B stands out as a high-power, precision Zener diode with superior voltage regulation and low leakage characteristics. Its 5W dissipation capability, axial packaging, and RoHS compliance make it a versatile choice for industrial, automotive, and consumer applications. Engineers favor this model for its balance of performance, reliability, and cost-effectiveness, particularly in circuits demanding tight voltage tolerances and robust surge protection.