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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 18V SOT363
- Series：*
- Mfr：Diodes Incorporated
- Package：Cut Tape (CT)
- Configuration：-
- Voltage - Zener (Nom) (Vz)：-
- Tolerance：-
- Power - Max：-
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- pa_package-case：
- Supplier Device Package：-
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The BZX84C18S-7-F is a dual independent silicon planar Zener diode manufactured by Diodes Incorporated. It features a nominal Zener voltage of 18V with a tolerance range of 16.8V to 19.1V at a test current (IZT) of 5mA. The device operates within an SOT-363 package, providing a total power dissipation of 200mW and a thermal resistance of 625°C/W. Electrical characteristics include a maximum Zener impedance (ZZT) of 45Ω and a reverse leakage current (IR) of 0.1µA at 12.6V. The component supports an operating temperature range from -65°C to +150°C.
Feature Summary
- Dual independent configuration in an ultra-small surface mount package
- Planar die construction for reliability
- Lead-free and RoHS compliant manufacturing
Applications
- General regulation functions
- Voltage reference circuits
- Clamping applications
Procurement Notes
Verify the complete part number includes the suffix -7-F for tape and reel packaging containing 3000 units per reel. Confirm the specific marking code KY6 matches the required 18V specification during incoming inspection. Ensure compliance with J-STD-020D moisture sensitivity level 1 requirements for storage and handling prior to assembly.
Selection Notes
Select this component when a dual independent Zener configuration is required in an SOT-363 footprint. The 18V nominal voltage suits applications needing precise clamping or reference levels within the E24 series. Consider the 200mW power dissipation limit and the specific ZZT value of 45Ω for dynamic impedance requirements in the target circuit design.
Part Context
This device belongs to the BZX84C2V4S-BZX84C39S series of dual surface mount Zener diodes. It shares the SOT-363 case outline and mechanical data with other voltages in the range of 2.4V to 39V. The series utilizes normalized E24 tolerance values, distinguishing it from higher precision single-diode variants in the broader BZX84 family.
Replacement Considerations
Direct replacements must match the SOT-363 package, 200mW power rating, and 18V nominal voltage. Verify that substitute components maintain equivalent ZZT and IR specifications. Check for identical marking codes if visual verification is required.
