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Product Detailed Parameters
- Description：RF DIODE SOD80 MINIMELF
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Diode Type：-
- Voltage - Peak Reverse (Max)：-
- Current - Max：-
- Capacitance @ Vr, F：-
- Resistance @ If, F：-
- Power Dissipation (Max)：-
- Operating Temperature：125°C (TJ)
- Package / Case：DO-213AC, MINI-MELF, SOD-80
- Supplier Device Package：SOD-80 MiniMELF
- Grade：-
- Qualification：-
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Overview
The BA679S-M-18 is an RF PIN diode manufactured by Vishay General Semiconductor - Diodes Division. It features a minimum breakdown voltage of 30 V and a nominal diode capacitance of 0.5 pF measured at 100 MHz. The component has a maximum forward resistance of 8000 Ω and operates at a junction temperature up to 125 °C. It is housed in a surface-mount MiniMELF (SOD-80) package with Tin/Lead (Sn/Pb) terminals.
Feature Summary
- RF PIN diode design for high-frequency applications
- MiniMELF (SOD-80) surface-mount packaging
- High breakdown voltage capability
Applications
- RF switching circuits
- Attenuator modules
- Phase shifters
Procurement Notes
Verify the specific suffix '-18' against official Vishay documentation to confirm lead-free status, as standard BA679S variants are non-RoHS. Confirm availability of the SOD-80 package variant through authorized distributors. Ensure the procurement channel provides valid datasheets matching the exact part number to avoid confusion with similar models like BA679 or BA679S-M-08.
Selection Notes
Select this component for RF designs requiring a compact surface-mount PIN diode with a 30V breakdown rating. The SOD-80 package suits space-constrained PCB layouts. Verify that the 0.5 pF capacitance and 8000 Ω resistance parameters meet the specific circuit requirements for insertion loss and isolation performance.
Part Context
This device belongs to the BA679 series of RF PIN diodes from Vishay. It shares core electrical characteristics with the BA679 and BA679S but differs in packaging and compliance specifications. The 'M' indicates the MiniMELF form factor, while the suffix denotes specific tape-and-reel packaging configurations.
Replacement Considerations
The BA679-M-18 is a documented substitute within the same family. Verify compatibility regarding terminal plating and RoHS compliance before substitution.
