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Product Detailed Parameters
- Description：DIODE ZENER 4.7V 150MW 603
- Series：-
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：4.7 V
- Tolerance：±5%
- Power - Max：150 mW
- Impedance (Max) (Zzt)：78 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 2 V
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：0603 (1608 Metric)
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Overview
The CD0603-Z4V7 is a surface mount Zener diode from the Bourns CD0603/1005-Z series, housed in a compact 0603 (1608 metric) package. It provides a nominal Zener voltage of 4.7 V with a minimum breakdown of 4.47 V and a maximum of 4.94 V at a test current of 5 mA. The device features a maximum Zener impedance of 78 Ohms and a reverse leakage current of 5 mA. It supports a power dissipation of 150 mW at 25°C and operates within a temperature range of -55°C to +125°C.
Feature Summary
- Provides precise voltage regulation for reference applications within a leadless 0603 chip package.
- Features gold-plated terminals compatible with standard pick-and-place equipment and JEDEC standards.
- Designed for PCB real estate savings compared to larger competitive components.
Applications
- DC-DC converters
- Portable electronics
- Industrial controllers
Procurement Notes
Verify component authenticity through authorized channels as this specific part number may be subject to obsolescence notices. Confirm RoHS compliance status and check for product change notifications regarding terminal plating or packaging updates before finalizing procurement plans.
Selection Notes
Select this component when space-constrained designs require a 4.7 V reference in a 0603 footprint. Ensure the circuit can accommodate the specified 78 Ohm impedance and 150 mW thermal limits. Verify that the operating environment stays within the -55°C to +125°C junction temperature range.
Part Context
This device belongs to the Bourns CD0603/1005-Z Surface Mount Zener Diode Series. The series offers Zener voltages ranging from 2.0 V to 39 V in both 0603 and 1005 formats. These components are designed to meet miniaturization demands in portable communications and computing equipment markets.
Replacement Considerations
Consult official Bourns documentation for confirmed substitute part numbers. Cross-referencing requires matching the 0603 package, 4.7 V nominal voltage, and equivalent electrical characteristics such as impedance and power dissipation.
