3.9V Zener Diode – ZMM 3V9 – LL34 – 0.5W

The 3.9V Zener Diode, rated at 3.9V and 0.5W, offers precise voltage regulation and overvoltage protection in compact surface-mount applications. With a tight voltage tolerance of ±5% and a maximum Zener impedance of 20Ω at its test current of 5mA, it ensures stable performance across a wide operating temperature range from -55°C to +150°C. Its low reverse leakage current of 100nA at the Zener voltage enhances efficiency and reliability. Encapsulated in the LL34 package (SOD-80), this diode is suitable for various voltage reference and surge suppression applications where space is limited, providing dependable performance in diverse electronic circuits.

Specification:

• LL34 Zener diode
• Voltage rating: 3.9V
• Power rating: 0.5W
• Tight voltage tolerance: ±5%
• Maximum Zener impedance: 20Ω at 5mA
• Low reverse leakage current: 100nA at Vz
• Operating temperature range: -55°C to +150°C
• Package type: LL34 (SOD-80)
• Surface-mount design
• Applications: voltage regulation, overvoltage protection, voltage reference, surge suppression