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1N5378B

1N5378B Description

The 1N5378B is a high-power 100V Zener diode from NTE Electronics, Inc., designed for precision voltage regulation and surge protection in demanding electronic circuits. With a 5W power dissipation rating, this through-hole-mounted diode delivers robust performance in applications requiring stable voltage references. Its ±5% tolerance ensures reliable voltage clamping, while the low reverse leakage current of 500 nA @ 72V minimizes power loss. Compliant with ROHS3 and EAR99 regulations, it is suitable for global markets. Packaged in a T-18 form factor, it balances thermal efficiency and ease of integration.

1N5378B Features

• Zener Voltage (Vz): 100V nominal, tightly controlled to ±5% tolerance.
• High Power Handling: 5W max power dissipation for robust performance in high-stress environments.
• Low Leakage: 500 nA @ 72V reverse leakage ensures minimal standby power consumption.
• Forward Voltage (Vf): 1.2V @ 1A, enabling efficient operation in bidirectional circuits.
• Dynamic Impedance (Zzt): 90Ω max, providing stable regulation under varying load conditions.
• Compliance: ROHS3, EAR99, and HTSUS 8541.10.0050 certified for broad industrial use.

1N5378B Applications

• Voltage Regulation: Ideal for power supplies, voltage references, and regulator circuits requiring precise 100V clamping.
• Surge Protection: Used in transient voltage suppression (TVS) for sensitive electronics.
• Industrial Systems: Suitable for motor drives, instrumentation, and HVAC controls due to its high reliability.
• Automotive Electronics: Protects ECUs and sensors from voltage spikes in 12V/24V systems.
• Telecom Equipment: Ensures stable operation in base stations and network hardware exposed to line surges.

Conclusion of 1N5378B

The 1N5378B stands out as a high-performance Zener diode, combining precision voltage regulation, high power handling, and low leakage in a durable through-hole package. Its 5W rating and 100V clamping capability make it superior to lower-power alternatives in industrial, automotive, and telecom applications. With ROHS3 compliance and NTE Electronics' reliability, it is a trusted choice for engineers seeking robust voltage protection and regulation solutions.