BZB784-C12,115

Overview

The BZB784-C12,115 is a voltage regulator diode manufactured by Nexperia. It features a nominal Zener voltage of 12 V with a tolerance of approximately ±5%. The device is housed in an SOT-323 (SC-70) surface-mount package and supports a maximum power dissipation of 350 mW. Electrical characteristics include a maximum reverse leakage current of 200 nA and a Zener impedance of 20 ohms at a test current of 5 mA. The component operates within a temperature range from -65 °C to +150 °C.

Feature Summary

• Compact SOT-323 surface-mount packaging for space-constrained designs
• Stable voltage regulation with normalized E24 tolerance series
• Extended thermal operating range suitable for demanding environments

Applications

• Voltage reference circuits requiring stable low-voltage sources
• General-purpose voltage clamping and protection stages
• Biasing networks in portable electronic devices

Procurement Notes

Verify the specific ordering suffix against official Nexperia documentation to confirm package type and tape-and-reel specifications. Ensure that the requested quantity aligns with standard manufacturing lot sizes or cut-tape availability constraints defined by authorized distributors. Cross-reference the manufacturer part number with ECAD models prior to final procurement to guarantee physical footprint compatibility.

Selection Notes

Select this component when a compact SOT-323 form factor is required for 12 V regulation. Confirm that the 350 mW power dissipation limit meets the thermal requirements of the target application. Verify that the ±5% voltage tolerance aligns with circuit precision needs. Consider the maximum operating temperature of +150 °C for high-thermal-stress environments.

Part Context

This part belongs to the Nexperia BZB784 series of low-power voltage regulator diodes. The series utilizes normalized breakdown voltages across the E24 range, providing standardized options for common design requirements. The BZB784-C12 variant specifically targets applications needing a 12 V reference in small-scale surface-mount implementations.

Replacement Considerations

Compatible substitutes include other SOT-323 packaged Zener diodes with 12 V nominal voltage and similar power ratings. Verify pinout compatibility and thermal resistance parameters before substitution. Check datasheets for equivalent leakage current and impedance specifications to ensure functional parity.