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The UDZ5V1B-7 is a general-purpose surface-mount Zener diode manufactured by Diodes Incorporated. This device provides a precise 5.1V regulation voltage in a compact SOD-323 package. Featuring low power consumption and stable reverse breakdown characteristics, it is primarily used for voltage clamping, regulation, protection, and as a reference voltage source in circuits. It is a common fundamental component in consumer electronics, communication equipment, and power management applications.
Category:Discrete Semiconductor Products;Diodes;Zener;Single Zener Diodes
Mfr:Diodes Incorporated
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Voltage - Zener (Nom) (Vz):5.1 V
Tolerance:±2%
Power - Max:200 mW
Impedance (Max) (Zzt):80 Ohms
Current - Reverse Leakage @ Vr:2 µA @ 1.5 V
Operating Temperature:-65°C ~ 150°C
Mounting Type:Surface Mount
Package / Case:SC-76, SOD-323
Supplier Device Package:SOD-323
Base Product Number:UDZ5V1
High Voltage Accuracy: A tight ±2% tolerance ensures a stable and reliable 5.1V reference.
Low-Power Design: With a 200mW power rating, it is suitable for low-power application scenarios.
Compact Package: The small SOD-323 footprint saves PCB space and is ideal for high-density designs.
Wide Operating Temperature Range: Functions from -65°C to 150°C, accommodating harsh operating environments.
Fast Response: Effectively suppresses voltage transients to protect downstream sensitive circuits.
Power Supply Regulation & Protection: Used for input protection in low-dropout regulators (LDOs) and transient voltage suppression on switching power supply outputs.
Signal Level Clamping: Limits signal voltage amplitude on data lines and I/O interfaces to protect core chips.
Voltage Reference Source: Provides a simple reference voltage for ADC, DAC, or low-precision comparator circuits.
Consumer Electronics: Used in power management and protection circuits for mobile phones, tablets, digital cameras, and similar devices.
Industrial Control & Communication Modules: Implements overvoltage protection in low-voltage power paths of PLCs, sensors, routers, and other equipment.
The UDZ5V1B-7 is a stable, high-precision general-purpose 5.1V Zener diode. Its compact package, wide temperature tolerance, and reliable voltage regulation characteristics make it a cost-effective and efficient solution for implementing voltage clamping, regulation, protection, and simple voltage referencing in a wide variety of electronic systems.
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