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The BZX84C12S-7-F is a dual surface-mount Zener diode manufactured by Diodes Incorporated, housed in an SOT-363 package. It provides a nominal Zener voltage of 12 V with a tolerance range of 11.4 V to 12.7 V at a test current of 5 mA. The device features a maximum power dissipation of 200 mW and operates within a temperature range of -65°C to +150°C. Electrical specifications include a maximum Zener impedance of 25 Ω at the test current and a maximum reverse leakage current of 0.1 mA at 8 V. The typical voltage temperature coefficient ranges from 6.0 mV/°C to 10.0 mV/°C.
Verify the specific ordering suffix '-7-F' corresponds to the tape and reel packaging format containing 3000 units per reel. Confirm that the component meets the required moisture sensitivity level (Level 1) and UL flammability classification (94V-0) for the intended manufacturing process. Ensure compatibility with standard surface-mount assembly equipment.
Select this component when a dual Zener configuration is required in a compact footprint. The 12 V nominal voltage and 200 mW power rating suit low-power signal conditioning tasks. Verify that the operating current remains within the specified test conditions to maintain accuracy within the 11.4 V to 12.7 V tolerance band.
This part belongs to the BZX84C2V4S-BZX84C39S series of dual surface-mount Zener diodes produced by Diodes Incorporated. The series utilizes planar die technology and is available in various voltage ratings from 2.4 V to 39 V, all sharing the same SOT-363 mechanical outline and general electrical characteristics profile.
Direct substitutes within the same series include other BZX84CxxS-7-F variants with different voltage ratings but identical packaging and pinout. Cross-manufacturer equivalents must match the SOT-363 package dimensions and dual Zener configuration.
The product type marking code for the BZX84C12S is KY2.
The maximum reverse leakage current (IR) is 0.1 mA when measured at a reverse voltage (VR) of 8 V.
The thermal resistance from junction to ambient air (RθJA) is 625 °C/W, measured when mounted on an FR4 PC board with the recommended pad layout.