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The BZX84C16VLYFHT116 is a high-reliability, automotive-grade Zener diode from Rohm Semiconductor, part of the BZX84 series. This device provides a precise nominal Zener voltage of 16V with a tolerance of ±5.63%, a maximum power dissipation of 250mW, and is AEC-Q101 qualified. Housed in the industry-standard miniature SOT-23 package, it is designed to deliver stable voltage reference, effective overvoltage clamping, and transient protection within compact spaces, especially suited for automotive electronics and industrial applications with stringent requirements on component durability and temperature stability.
Category:Discrete Semiconductor Products;Diodes;Zener;Single Zener Diodes
Mfr:Rohm Semiconductor
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Voltage - Zener (Nom) (Vz):16 V
Tolerance:±5.63%
Power - Max:250 mW
Impedance (Max) (Zzt):40 Ohms
Current - Reverse Leakage @ Vr:100 nA @ 11 V
Operating Temperature:150°C (TJ)
Grade:Automotive
Qualification:AEC-Q101
Mounting Type:Surface Mount
Package / Case:TO-236-3, SC-59, SOT-23-3
Supplier Device Package:SOT-23
Accurate Voltage Regulation: The combination of a 16V nominal Zener voltage and a ±5.63% tolerance provides a precise and stable reference or clamping point for circuits.
Automotive-Grade Reliability & Durability: AEC-Q101 qualification ensures the device can withstand the demanding temperature cycling, mechanical vibration, and long-term reliability tests of automotive environments, making it suitable for high-temperature, high-stress areas like engine compartments.
Optimized Dynamic Impedance: A maximum dynamic impedance (Zzt) of 40 Ohms ensures stable voltage output within the operating current range, offering good regulation characteristics.
Very Low Reverse Leakage Current: A leakage current of only 100nA at 11V reverse voltage helps reduce standby power consumption and improves system energy efficiency.
Ultra-Small SOT-23 Package: Utilizes the standard SOT-23 surface-mount package, occupying minimal PCB area, making it ideal for space-constrained, high-density designs.
High Operating Junction Temperature: Supports a junction temperature up to 150°C, ensuring stable operation in high-temperature environments and providing ample design margin.
Cost-Effective Solution: Offers automotive-grade reliability while maintaining cost-effectiveness, making it an ideal upgrade replacement for non-qualified components.
Power Line Protection: Used at the power input of control modules like ECUs and BCMs to suppress voltage transients caused by events such as load dump.
Sensor Interfaces: Provides stable bias voltage or reference ground for various automotive sensors (e.g., pressure, temperature sensors).
In-Vehicle Network Protection: Offers ESD and overvoltage clamping protection on communication lines like CAN and LIN buses.
Interface Circuit Protection: Used for surge protection on digital I/O ports or communication interfaces of PLCs and inverters.
Low-Dropout Linear Regulators: Serves as a reference voltage source or post-regulator for low-power LDOs.
Portable Devices: Used in power management circuits of smartphones and tablets to prevent voltage overshoot and protect core chips.
Smart Home: Provides reset signal reference or I/O port protection for microcontrollers in IoT modules and smart control boards.
The BZX84C16VLYFHT116 is an automotive-grade Zener diode from Rohm Semiconductor that combines precision, reliability, and miniaturization advantages. It integrates the precise 16V regulation capability, the long-term durability guaranteed by AEC-Q101 certification, and the convenience of the SOT-23 package. For critical scenarios in automotive, industrial, and high-end consumer applications that require ensuring circuit voltage stability and preventing overvoltage damage under extreme temperatures and harsh electrical environments, this device provides a strictly certified, reliable, and easy-to-integrate solution. It is a fundamental protective component for enhancing the overall robustness of a system.
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