BZX84C5V1LT3

Single Zener Diodes Overview

The onsemi BZX84C5V1LT3G is a single-channel Zener voltage regulator diode housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 5.1 V with a standard tolerance of ±5%. The device operates at a test current of 5 mA and features a maximum power dissipation rating of 225 mW on FR-4 or FR-5 boards, extending to 300 mW on alumina substrates. Electrical characteristics include a maximum Zener impedance of 60 Ω and a reverse leakage current of 2 μA. The component supports an operating temperature range from -65°C to +150°C.

Single Zener Diodes Feature Summary

• Designed for voltage regulation applications requiring minimal space utilization.
• Optimized for automated board assembly processes.
• Features high electrostatic discharge (ESD) protection capability.

Single Zener Diodes Applications

• Cellular phones
• Handheld portable devices
• High density PC boards

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging details. The 'T3' suffix indicates an 8 mm, 13-inch reel containing 10,000 units, while the 'T1' suffix denotes an 8 mm, 7-inch reel with 3,000 units. Confirm RoHS compliance status if required by design specifications. Ensure the selected variant matches the intended thermal dissipation environment.

Single Zener Diodes Selection Notes

Select this component when a compact surface-mount solution is required for low-power voltage regulation. The SOT-23 package facilitates high-density circuit board layouts. Verify that the 225 mW power dissipation rating on standard PCB materials meets the thermal requirements of the target application. Consider the 5% voltage tolerance for precision requirements.

Single Zener Diodes Part Context

This device belongs to the BZX84CxxxLT series of Zener voltage regulators manufactured by onsemi. The series offers a wide breakdown voltage range from 2.4 V to 75 V within the same physical footprint. These components are engineered to provide reliable voltage clamping and regulation in space-constrained electronic designs.

Single Zener Diodes Replacement Considerations

BZX84C5V1LT1G

Single Zener Diodes FAQ

What is the pin configuration for the BZX84C5V1LT3G?

Pin 1 is the Anode, Pin 2 is No Connection, and Pin 3 is the Cathode.

How does the power dissipation rating vary with the substrate?

The device has a maximum power dissipation of 225 mW on FR-4 or FR-5 boards and 300 mW on alumina substrates at 25°C ambient temperature.