ZMM15V Zener Diode – 15V 0.5W Voltage Regulator (LL34 SMD)

Product Description:
The ZMM15V Zener Diode is a precision 15V, 0.5W voltage regulation device designed to provide stable voltage reference and reliable overvoltage protection in compact electronic circuits. Encapsulated in a LL34 (SOD-80) glass MELF package, this diode offers excellent thermal performance, low leakage, and dependable operation in high-density PCB designs.

With a tight ±5% voltage tolerance, a maximum Zener impedance of 20Ω at 5mA, and a low reverse leakage current of just 100nA, the ZMM15V ensures accurate regulation and efficient operation across a wide temperature range from −55°C to +150°C. Its rugged design makes it suitable for applications involving voltage reference, surge suppression, power stabilization, and protection in consumer, industrial, and instrumentation electronics.

This diode is ideal for surface-mount designs where space efficiency and stability are essential, offering long-term reliability in demanding circuit environments.

Key Specifications:

• Zener Voltage (Vz): 15V

• Power Rating: 0.5W

• Voltage Tolerance: ±5%

• Zener Impedance: Max 20Ω @ 5mA

• Reverse Leakage Current: 100nA @ Vz

• Operating Temperature Range: −55°C to +150°C

• Package Type: LL34 (SOD-80)

• Weight: 0.05g

Features:

• Accurate 15V voltage regulation

• 0.5W power dissipation for reliable performance

• Compact LL34 glass MELF package ideal for dense PCBs

• Low reverse leakage improves energy efficiency

• Tight voltage tolerance ensures stable operation

• Suitable for automated SMT assembly

• Excellent temperature stability

• Ideal for voltage reference and surge suppression applications

Applications:

• Voltage regulation and stabilization

• Overvoltage and surge protection

• Voltage reference circuits

• Power management systems

• Consumer electronics

• Industrial instrumentation

• Compact and portable devices

Package Includes:
1 × ZMM15V 0.5W Zener Diode (LL34 – SOD-80)

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