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The Panjit MMBZ5242BTW_R1_00001 is a surface mount silicon zener diode from the MMBZ5221BTW series. It features a nominal zener voltage of 12V with a tolerance range of 11.40V to 12.60V at a test current of 20mA. The device has a maximum power dissipation of 200mW and operates within a junction temperature range of -55°C to +150°C. Electrical characteristics include a maximum zener impedance (ZZT) of 30Ω and a maximum reverse leakage current of 9.1μA at 10V. It utilizes an SOT-363 plastic package.
Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging details, as suffixes may indicate variations in reel size or tape specifications. Ensure the component meets the required environmental standards for the intended deployment environment before finalizing procurement orders.
Select this component when a 12V zener reference is required in a compact SOT-363 footprint. Consider the 200mW power dissipation limit and the 30Ω dynamic impedance at 20mA test current. Verify that the operating temperature range of -55°C to +150°C aligns with the system's thermal requirements.
This part belongs to the MMBZ5221BTW ~ MMBZ5267BTW series of surface mount silicon zener diodes manufactured by Panjit International Inc. The series covers a voltage range from 2.4V to 75V, all sharing the same SOT-363 package and 200mW power rating profile.
Direct replacements must match the 12V nominal voltage, SOT-363 package, and 200mW power rating. Verify electrical parameters such as zener impedance and leakage current against the original datasheet specifications to ensure circuit compatibility.