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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 18V SOT-23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：50 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-65°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The DZ23C18-7-F is a dual surface mount Zener diode array manufactured by Diodes Incorporated. It features two Zener diodes in a common cathode configuration within an SOT-23 package. The nominal Zener voltage is 18V with a tolerance range of 16.8V to 19.1V at a test current (IZT) of 5.0mA. Maximum Zener impedance is 50 Ohms at IZT and 170 Ohms at IZK of 1.0mA. The device supports a maximum power dissipation of 300mW and operates within a temperature range of -65°C to +150°C.
Feature Summary
- Dual Zeners in Common Cathode Configuration
- Ideally Suited for Automated Insertion
- Totally Lead-Free & Fully RoHS Compliant
- Halogen and Antimony Free "Green" Device
Applications
- Voltage regulation circuits
- Protection against overvoltage transients
- Reference voltage generation
Procurement Notes
Verify the specific ordering suffix matches the required qualification level. The standard commercial version uses the -7-F suffix, while automotive applications require the Q-suffix variant qualified to AEC-Q100/101/200 standards. Confirm packaging details such as tape and reel quantities directly with the manufacturer or authorized distributors before placing orders.
Selection Notes
Select this component when a compact dual Zener solution is required for common cathode applications. Ensure the operating voltage falls within the specified 16.8V to 19.1V range. Consider the thermal resistance of 417 °C/W and derating curves if operating near the maximum junction temperature limit of 150°C.
Part Context
This part belongs to the DZ23C series, which covers a wide range of Zener voltages from 2.7V to 51V. All devices in this family share the same physical footprint and electrical characteristics structure, differing primarily in their breakdown voltage specifications. This allows for design flexibility using a single package type across various voltage requirements.
Replacement Considerations
Check for equivalent dual Zener arrays in the SOT-23 package from other manufacturers. Verify that the replacement part meets the same voltage tolerance, impedance, and power dissipation requirements. Automotive replacements must match the specific AEC-Q qualification standards.
