BZX84C33S-7-F

Overview

The BZX84C33S-7-F is a dual surface mount Zener diode manufactured by Diodes Incorporated. It features two independent Zener diodes in an SOT-363 package with a total power dissipation of 200 mW. The nominal Zener voltage is 33 V, with a range from 31.0 V to 35.0 V at a test current (IZT) of 2.0 mA. Maximum Zener impedance is 80 Ω at IZT and 325 Ω at IZK (0.5 mA). Reverse leakage current is limited to 0.1 µA at VR = 23.1 V. Operating temperature ranges from -65 °C to +150 °C.

Feature Summary

• Dual configuration providing two independent Zener diodes within a single ultra-small surface mount package.
• Planar die construction designed for optimal automated board assembly.
• Lead-free and RoHS compliant manufacturing process.

Applications

• General voltage regulation functions
• Clamping applications requiring compact dual-channel solutions

Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure compatibility with design requirements. Confirm that the SOT-363 package dimensions and marking codes match the intended PCB layout. Check for any recent product change notifications or lifecycle status updates directly from the supplier before finalizing procurement plans.

Selection Notes

Select this component when a dual Zener configuration is required in a space-constrained design. Ensure the operating voltage stays within the specified 31.0 V to 35.0 V range. Consider the thermal resistance of 625 °C/W and derating curves if ambient temperatures exceed standard conditions. Verify that the 200 mW power dissipation limit is sufficient for the application's duty cycle.

Part Context

This device belongs to the BZX84C...S series of dual Zener diodes offered by Diodes Incorporated. The series covers nominal voltages from 2.4 V to 39 V, all utilizing the same SOT-363 plastic case. The 'S' suffix denotes the dual-diode variant, distinguishing it from single-diode counterparts in the broader BZX84 family.

Replacement Considerations

Direct replacements must be dual Zener diodes in an SOT-363 package with similar electrical characteristics. Verify pinout compatibility, as the cathode-anode arrangement must match the original schematic. Cross-reference with other manufacturers offering equivalent dual Zener arrays if supply constraints exist.