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KDZVTFTR4.7B

KDZVTFTR4.7B Description

The KDZVTFTR4.7B from ROHM Semiconductor is a high-performance surface-mount Zener diode designed for precision voltage regulation in demanding automotive and industrial applications. With a nominal Zener voltage (Vz) of 4.95V ±5.32%, this diode ensures stable voltage clamping, making it ideal for circuits requiring tight tolerance control. Its 1W power dissipation capability and 150°C maximum junction temperature (TJ) enable reliable operation under high thermal stress. Packaged in a PMDU (Tape & Reel) format, it complies with ROHS3 and REACH environmental standards, while its Automotive Grade certification ensures robustness for harsh environments.

KDZVTFTR4.7B Features

• Precision Voltage Regulation: 4.95V nominal Zener voltage with a tight ±5.32% tolerance for consistent performance.
• High Power Handling: 1W maximum power dissipation ensures durability in high-current applications.
• Automotive-Grade Reliability: Meets stringent automotive standards for temperature and operational stability.
• Low Reverse Leakage: 20 µA @ 1V minimizes power loss in standby modes.
• Surface-Mount Design: Compact PMDU package facilitates automated assembly and space-constrained PCB layouts.
• Environmental Compliance: ROHS3 and REACH unaffected, with MSL 1 (Unlimited) moisture sensitivity for extended shelf life.

KDZVTFTR4.7B Applications

• Voltage Clamping: Protects sensitive ICs from voltage spikes in automotive ECUs, infotainment systems, and ADAS modules.
• Power Supply Regulation: Used as a reference voltage source in DC-DC converters and LDO regulators.
• Surge Protection: Safeguards communication interfaces (CAN, LIN) in vehicles and industrial control systems.
• Consumer Electronics: Ideal for portable devices, IoT sensors, and battery management circuits requiring stable voltage thresholds.

Conclusion of KDZVTFTR4.7B

The KDZVTFTR4.7B combines precision, power efficiency, and automotive-grade ruggedness, making it a superior choice for engineers designing resilient voltage regulation solutions. Its low leakage, high-temperature tolerance, and compact form factor address critical challenges in modern electronics, from automotive to industrial systems. For applications demanding reliable Zener performance under thermal and electrical stress, this diode delivers unmatched consistency and compliance with global environmental standards.