BZX84C15LT3G 15V Zener SOT-23 225mW Low Leakage Current High Stability Surge Protection Halogen-Free Tape & Reel Packaging Ideal for Space-Constrained PCBs

BZX84C15LT3G 15V Zener SOT-23 225mW Low Leakage Current High Stability Surge Protection Halogen-Free Tape & Reel Packaging Ideal for Space-Constrained PCBs

Features

• 250 mW Rating on FR−4 or FR−5 Board

• Zener Breakdown Voltage Range − 2.4 V to 75 V

• Package Designed for Optimal Automated Board Assembly

• Small Package Size for High Density Applications

• ESD Rating of Class 3 (> 16 kV) per Human Body Model

• Tight Tolerance Series Available (See Page 4)

• SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable

• These Devices are Pb−Free and are RoHS Compliant

Applications

1:Voltage Clamping & Over-Voltage Protection: Used to protect sensitive input pins of integrated circuits (ICs) or MOSFETs from damage caused

by electrostatic discharge (ESD), voltage spikes, or accidental over-voltage.

2“Voltage Reference: Provides a simple, stable reference voltage for circuits like ADCs (Analog-to-Digital Converters), DACs (Digital-to-Analog

Converters), or voltage comparators.

3:Waveform Clipping: Converting sine waves or other waveforms into approximate square waves.

4:Power Supply Regulation: Acts as a simple voltage regulator in low-current, non-precision power supply circuits.

Description

1:Zener Voltage:

Nominal Value: 15V

This is a key parameter indicating its stable reference voltage. In practical application, it has a tolerance range.

For the BZX84C15LT3G, the Zener voltage tolerance is ±5%. This means under specific test conditions, its actual regulating voltage typically falls

between 14.25V and 15.75V.

2:Power Dissipation:

Maximum Continuous Power Dissipation: 350 mW

This is an important limit determining the maximum power the diode can safely handle (Power = Zener Voltage × Zener Current). Circuit design

must ensure the operating current does not cause the power dissipation to exceed this value, otherwise the diode may overheat and be damaged.

3:Package:

SOT-23

This is a very common 3-pin small surface mount package suitable for high-density PCB design.

4:Technology:

Single Chip: Unlike some dual-diode packages, the SOT-23 package of the BZX84C15LT3G contains only a single Zener diode.

5:Performance Characteristics:

Very Sharp Breakdown Characteristic: Indicates good voltage regulation performance.

Low Leakage Current: The reverse leakage current is very small when the voltage is below the Zener voltage.

Low Impedance: Features good dynamic response characteristics.

INFORMATION

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