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The MMBZ5221BTW is a surface mount silicon Zener diode from the Panjit International Inc. MMBZ5221BTW to MMBZ5267BTW series, designed for automated assembly processes. It features planar die construction and operates within a junction temperature range of -55°C to +150°C. The device provides a nominal Zener voltage of 2.4V with a tolerance band of 2.28V to 2.52V at a test current (IZT) of 20.0mA. Maximum electrical characteristics include a power dissipation of 200mW, a peak forward surge current of 2A, and a maximum reverse leakage current of 100µA at 1.0V. The unit is housed in an SOT-363 plastic package.
Verify the specific ordering suffix against official distributor catalogs to ensure correct packaging quantities and reel specifications. Confirm that the component meets required environmental certifications such as RoHS 2.0 and IEC 61249 before finalizing procurement orders.
Select this component when a low-profile SOT-363 package is required for space-constrained designs. Ensure the circuit design accommodates the 200mW power dissipation limit and verify that the 2.4V nominal Zener voltage aligns with the target regulation requirements.
This part belongs to the MMBZ5221BTW ~ MMBZ5267BTW series of surface mount silicon Zener diodes manufactured by Panjit International Inc. The series covers a wide voltage range from 2.4V to 75V, all sharing the same SOT-363 package form factor and 200mW power rating.
Direct substitutes include other manufacturers' Zener diodes in the SOT-363 package with matching 2.4V nominal voltage and 200mW power dissipation ratings. Verify pinout compatibility and thermal characteristics before implementation.