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Product Detailed Parameters
- Description：DIODE ZENER 3.3V 150MW 603
- Series：-
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：3.3 V
- Tolerance：±5%
- Power - Max：150 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：25 µA @ 1 V
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：0603 (1608 Metric)
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Overview
The CD0603-Z3V3 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 3.3 V with a tolerance range of 3.14 V to 3.47 V at a test current of 5 mA. The device features a maximum Zener impedance of 95 Ohms and a reverse leakage current of 25 mA. Designed for PCB real estate savings, it operates within a temperature range of -55°C to +125°C and supports a power dissipation of 500 mW.
Feature Summary
- Compact leadless chip design suitable for standard pick-and-place equipment
- Flat configuration minimizes rollaway during production operations
- RoHS compliant construction with gold-plated solderable terminals
Applications
- DC-DC converters
- Portable electronics
- Industrial controllers
- Desktop PCs and notebooks
Procurement Notes
Verify component authenticity through authorized channels as this part belongs to a series noted as not recommended for new designs. Confirm RoHS compliance status and terminal plating specifications against current manufacturing standards before integration into final assemblies.
Selection Notes
Select this component when space-constrained layouts require a 0603 footprint Zener reference. Ensure circuit requirements align with the 95 Ohm impedance limit and 500 mW thermal dissipation capabilities. Verify that the 3.3 V nominal voltage fits the specific regulation needs of the target application.
Part Context
This device is part of 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 provide silicon diode functionality with minimal packaging overhead for miniaturized electronic systems.
Replacement Considerations
Consult official datasheets for direct substitutes within the same series, such as CD0603-Z3V6 or CD0603-Z3V9, which share identical physical dimensions and electrical characteristics except for the specific Zener voltage rating.
