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Zowie Technology Corporation MM3Z5221BH MM3Z5267BH SILICON PLANAR ZENER DIODES Lead free product PINNING Halogen - free type PIN DESCRIPTION Cathode 1 Anode 2 Silicon Planar Zener Diode in a small plastic SMD SOD-323 package 2 1 Features Total power dissipation Max. 300 mW Top View Simplified outline SOD-323 and symbol Small plastic package suitable for surface mounted design Tolerance approximately 5% O Absolute Maximum Ratings (Ta = 25 C) Parameter Symbol Value Unit Total Power Dissipation Ptot 300 mW O Operating Junction and Storage Temperature Range Tj, TS - 55 to + 150 C O Characteristics at Ta = 25 C Parameter Symbol Max. Unit O R JA Thermal Resistance Junction to Ambient Air 625 C/W Forward Voltage VF 0.9 V ... See More ⇒