onsemi 3 V 500 mW General Purpose Zener Diode Through Hole 2-Pin SOD-27 1N5225B

onsemi 1N5225B General Purpose Zener Diode offers voltage regulation capability at a nominal zener voltage of 3 V with a tolerance of ±5%. It features a maximum power dissipation of 500 mW, making it suitable for low power electronic applications requiring stable voltage reference or protection.

This device is built in a hermetically sealed glass package with a double slug construction, ensuring high reliability and protection against environmental damage. Its 2-pin SOD-27 package type supports through hole mounting, allowing straightforward integration into printed circuit boards.

The diode operates effectively within a wide temperature range of -65°C to 200°C, fitting industrial and automotive standards where thermal stability is critical. Its maximum zener impedance of 29 Ω helps maintain voltage regulation precision under varying currents. The maximum reverse leakage current is limited to 50 μA to reduce leakage-related inefficiencies.

The polarity is clearly indicated with a color band at the cathode end to aid correct installation. The device is manufactured with corrosion-resistant finish and solderable leads, ensuring ease of assembly. The maximum lead temperature for soldering is 230°C for 10 seconds at 1/16 inch from the case, aligning with industry soldering processes.

Designed for general-purpose zener applications, this diode is ideal for electronic, industrial, and automotive use cases requiring voltage clamping, voltage regulation, or surge protection. Its reliable construction and tested performance make it suitable for demanding environments encountered in manufacturing, laboratory, and electronics repair settings.

Nominal zener voltage of 3 volts with ±5% tolerance ensures consistent performance. Maximum power dissipation of 500 milliwatts suits low power regulation needs. Hermetically sealed glass package provides durable protection.

Through hole mount type with 2-pin SOD-27 package facilitates easy PCB integration. Operating temperature range from -65°C to 200°C supports harsh environments. Maximum zener impedance is 29 ohms improving voltage stability.

Maximum reverse leakage current of 50 microamperes minimizes leakage losses. Cathode marked by color band for polarity identification during installation. Manufactured in China with assembly/testing in Seoul, Korea. Metallurgically bonded double slug construction enhances reliability.

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