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Product Detailed Parameters
- Description：RF DIODE PIN 35V SOD-123
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Diode Type：PIN - Single
- Voltage - Peak Reverse (Max)：35V
- Current - Max：100 mA
- Capacitance @ Vr, F：1.25pF @ 3V, 1MHz
- Resistance @ If, F：700mOhm @ 3mA, 1GHz
- Power Dissipation (Max)：-
- Operating Temperature：125°C (TJ)
- Package / Case：SOD-123
- Supplier Device Package：SOD-123
- Grade：-
- Qualification：-
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Overview
The BA782-E3-08 is a silicon epitaxial planar band switching diode manufactured by Vishay Semiconductors in an SOD-123 surface-mount package. It is designed for electric bandswitching applications in radio and TV tuners operating within the 50 MHz to 1000 MHz frequency range. The device features a maximum reverse voltage of 35 V and a continuous forward current rating of 100 mA, with a junction temperature limit of 125 °C. Electrical characteristics include a typical dynamic forward resistance of 0.7 Ω at 3 mA and a diode capacitance of 1.25 pF at 3 V reverse bias.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- Low dynamic forward resistance maintained across wide frequency and current ranges
- Reverse capacitance remains small and largely independent of reverse voltage
Applications
- Electric bandswitching in radio tuners
- Electric bandswitching in TV tuners
- RF signal routing in the 50 MHz to 1000 MHz range
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and AEC-Q101 qualification requirements against specific project needs. Ensure storage conditions remain within specified limits to maintain material integrity prior to assembly.
Selection Notes
Select this component when low capacitance and stable dynamic resistance are required for high-frequency switching. Compare BA782 against BA783 variants based on specific impedance requirements, as the BA783 exhibits higher dynamic resistance values. Verify that the SOD-123 footprint aligns with existing PCB layout constraints.
Part Context
This part belongs to the BA78x series of band switching diodes from Vishay Semiconductors. The suffix -E3-08 indicates RoHS-compliant commercial grade packaging in tape and reel format containing 3,000 units per 7-inch reel. It shares mechanical similarities with the BA783 variant but differs in electrical performance parameters.
Replacement Considerations
BA783-E3-08 serves as a functional alternative within the same series, though it exhibits different dynamic forward resistance and capacitance values. Cross-referencing specific impedance curves is necessary before substitution.
