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Home > Products > Discrete Semiconductor Products > Diodes > RF Diodes

Vishay General Semiconductor - Diodes Division BA683-GS08

Name: BA683-GS08
Brand: Vishay General Semiconductor - Diodes Division
SKU: BA683-GS08
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BA683-GS08

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: RF Diodes

Package:: DO-213AC, MINI-MELF, SOD-80

Datasheet:: BA683-GS08.pdf

Description:: RF DIODE PIN 35V SOD80 MINIMELF

Quantity:: RFQ Add To RFQ list

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Inventory:7,891

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Product details

Overview

BA683-GS08 from Vishay Semiconductors is a silicon planar band switching diode in MiniMELF (SOD-80) package, rated for 35 V reverse voltage, with dynamic forward resistance of max. 1.2 Ω at 200 MHz / 3 mA and diode capacitance of 1.2 pF at 100 MHz / 3 V. It serves as a high-frequency RF switch in VHF tuner front-end signal path selection.

For engineers reviewing the BA683-GS08 datasheet, BA683-GS08 pinout, BA683-GS08 application, or BA683-GS08 equivalent, key selection criteria include low rf, stable CD across bias, AEC-Q101 qualification, and MiniMELF thermal performance in compact tuner modules.

Technical Context

The BA683-GS08 operates as a voltage-controlled RF switch where forward conduction enables signal routing and reverse bias isolates paths. Its low 1.2 pF capacitance at 3 V reverse bias minimizes signal leakage between antenna bands, while 1.2 Ω dynamic resistance ensures minimal insertion loss at 200 MHz.

AEC-Q101 qualification confirms suitability for automotive tuner assemblies, and its MiniMELF SOD-80 construction provides reliable thermal dissipation (R_thJA = 500 K/W on 50 mm × 50 mm × 1.6 mm PCB), supporting continuous 100 mA forward current in space-constrained VHF designs.

Key Specifications

Parameter	Value and Actual Design Meaning
Reverse Voltage (V_R)	35 V - sets maximum DC blocking capability in tuner band-select circuits
Dynamic Forward Resistance (r_f)	1.2 Ω max @ 200 MHz, 3 mA - determines RF insertion loss in active switching state
Diode Capacitance (C_D)	1.2 pF @ 100 MHz, 3 V - defines off-state isolation and tuning range impact in VHF front ends
Forward Voltage (V_F)	1000 mV @ 100 mA - affects power dissipation and drive circuit headroom
Reverse Current (I_R)	50 nA @ 20 V - ensures low leakage-induced distortion in high-impedance RF nodes
Junction Temperature (T_j)	150 °C - supports operation in sealed automotive tuner enclosures with limited airflow

Pinout & Package

MiniMELF (SOD-80) cylindrical glass package with cathode identified by black band; no discrete pins - anode and cathode are axial terminals. Device is bidirectional in mounting but polarity-sensitive in circuit function.

Pin/Terminal	Circuit Role	Design Meaning
Anode	RF signal input / forward current entry	Connected to control voltage source or bias network to enable conduction path
Cathode	RF signal output / forward current exit	Marked with black band; ties to ground-referenced or low-impedance node in tuner switch matrix

Key Features

Feature	Design Value
Low dynamic forward resistance	1.2 Ω max enables <0.5 dB insertion loss in 75 Ω VHF signal paths
Low diode capacitance	1.2 pF at 3 V reverse bias maintains >25 dB isolation between adjacent VHF bands
AEC-Q101 qualification	Validated for automotive temperature cycling, humidity, and mechanical shock per JESD22
Silicon planar construction	Ensures consistent r_f and C_D across production lots and over lifetime

Applications

TV Tuner Front-End Switching	FM Radio Band Selection
Use Scenario: Selecting between VHF-L and VHF-H antenna inputs in analog/digital TV tuners. IC Role / Device Role / Timing Role: RF signal path switch controlled by DC bias voltage. Use Value: 1.2 pF capacitance and 1.2 Ω r_f minimize channel crosstalk and insertion loss across 47–230 MHz band.	Use Scenario: Switching between AM/FM antenna paths in automotive infotainment head units. IC Role / Device Role / Timing Role: High-isolation RF switch enabling dual-band reception without filter reconfiguration. Use Value: AEC-Q101 rating ensures reliability under vehicle thermal cycling; 50 nA I_R prevents DC drift in bias networks.
Set-Top Box Tuner Modules	Professional VHF Signal Generators
Use Scenario: Band-select switching in multi-standard DVB-T/C/S tuners with shared LNA input. IC Role / Device Role / Timing Role: Low-loss RF gate isolating unused antenna branches during active tuning. Use Value: 35 V V_R withstands transient surges in unshielded consumer enclosure environments.	Use Scenario: Precision frequency band routing in lab-grade VHF signal sources requiring repeatable impedance matching. IC Role / Device Role / Timing Role: Calibrated RF switch element in automated test fixture signal paths. Use Value: Stable C_D vs. V_R curve (1.2–1.5 pF over 1–3 V) enables predictable impedance compensation.

TV Tuner Front-End Switching

FM Radio Band Selection

Use Scenario: Selecting between VHF-L and VHF-H antenna inputs in analog/digital TV tuners.

IC Role / Device Role / Timing Role: RF signal path switch controlled by DC bias voltage.

Use Value: 1.2 pF capacitance and 1.2 Ω r_f minimize channel crosstalk and insertion loss across 47–230 MHz band.

Use Scenario: Switching between AM/FM antenna paths in automotive infotainment head units.

IC Role / Device Role / Timing Role: High-isolation RF switch enabling dual-band reception without filter reconfiguration.

Use Value: AEC-Q101 rating ensures reliability under vehicle thermal cycling; 50 nA I_R prevents DC drift in bias networks.

Set-Top Box Tuner Modules

Professional VHF Signal Generators

Use Scenario: Band-select switching in multi-standard DVB-T/C/S tuners with shared LNA input.

IC Role / Device Role / Timing Role: Low-loss RF gate isolating unused antenna branches during active tuning.

Use Value: 35 V V_R withstands transient surges in unshielded consumer enclosure environments.

Use Scenario: Precision frequency band routing in lab-grade VHF signal sources requiring repeatable impedance matching.

IC Role / Device Role / Timing Role: Calibrated RF switch element in automated test fixture signal paths.

Use Value: Stable C_D vs. V_R curve (1.2–1.5 pF over 1–3 V) enables predictable impedance compensation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar band switching diode applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BA682-GS08	r_f = 0.7 Ω max (vs. 1.2 Ω); C_D = 1.25 pF @ 3 V (vs. 1.2 pF)	Lower loss but slightly higher capacitance - better for ultra-low-loss VHF-L paths	Select when minimizing insertion loss outweighs need for highest off-isolation
MA4P7472F-1072T	Higher V_R = 50 V; r_f = 0.9 Ω typical; C_D = 0.75 pF @ 3 V; SC-79 package	Smaller footprint, lower C_D, but not AEC-Q101 qualified	Prefer for space-constrained non-automotive VHF instruments where qualification is not required

Compared with BA682-GS08 and MA4P7472F-1072T, the BA683-GS08 balances moderate r_f, lowest C_D in its family, and automotive qualification - making it optimal for cost-sensitive, thermally demanding tuner modules requiring proven reliability.

Availability

BA683-GS08 is available at Aetrix Electronics and suitable for VHF tuner design, automotive infotainment systems, and professional signal generator development requiring stable component supply and long-term manufacturability.

Supply support for BA683-GS08 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Vishay Intertechnology is a global semiconductor manufacturer specializing in discrete components, sensors, and passive elements with emphasis on reliability and precision.

The BA683-GS08 belongs to Vishay's band switching diode product line, engineered specifically for high-isolation, low-loss RF signal routing in VHF television and radio tuner applications.

FAQ

What is the maximum reverse voltage rating for BA683-GS08?

The BA683-GS08 has a maximum reverse voltage (V_R) rating of 35 V, verified per Vishay's datasheet Rev. 1.6. This rating defines the peak DC or RF peak inverse voltage the device can block in off-state operation without breakdown, and applies across the full operating temperature range. Exceeding 35 V risks irreversible junction damage. The BA683-GS08 must be biased within this limit in all VHF tuner switching configurations.

Is BA683-GS08 qualified for automotive applications?

Yes, the BA683-GS08 is AEC-Q101 qualified, confirming compliance with stress tests for automotive-grade discrete semiconductors including temperature cycling, humidity, and mechanical shock. This qualification makes BA683-GS08 suitable for use in automotive VHF tuners and infotainment systems where reliability under extended thermal and vibration profiles is mandatory.

What is the diode capacitance of BA683-GS08 at 3 V reverse bias?

The BA683-GS08 exhibits a diode capacitance (C_D) of 1.2 pF at 100 MHz and 3 V reverse bias, as specified in the Electrical Characteristics table. This value is critical for VHF band-switching performance, directly influencing off-state isolation and impedance matching. Measured at 25 °C, C_D remains stable across the −55 °C to +150 °C storage range.

How does BA683-GS08 differ from BA682-GS08 in RF performance?

The BA683-GS08 has higher dynamic forward resistance (1.2 Ω max vs. 0.7 Ω max for BA682-GS08 at 200 MHz/3 mA) but lower diode capacitance (1.2 pF vs. 1.25 pF at 3 V). This trade-off favors BA683-GS08 in applications prioritizing off-state isolation over minimal insertion loss - such as VHF-H band switching where capacitance-driven crosstalk is more critical than resistive loss.

What packaging option does BA683-GS08 use?

The BA683-GS08 is supplied in GS08 packaging: 2.5K units per 7-inch reel on 8 mm tape, with 12.5K units per box. This format supports automated pick-and-place assembly in high-volume tuner manufacturing. The MiniMELF (SOD-80) package itself features axial leads, black cathode band, and ~31 mg mass - optimized for RF layout density and thermal transfer on standard FR-4 PCBs.

BA683-GS08 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Series:: -

Package/Case:: DO-213AC, MINI-MELF, SOD-80

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Diode Type:: PIN - Single

Voltage - Peak Reverse (Max):: 35V

Current - Max:: 100 mA

Capacitance @ Vr, F:: 1.2pF @ 3V, 100MHz

Resistance @ If, F:: 900mOhm @ 10mA, 200MHz

Power Dissipation (Max):: -

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Supplier Device Package:: SOD-80 MiniMELF

BA683-GS08 FAQ

1.How can I place an order for BA683-GS08 through Aetrix?

Please submit a Request for Quotation (RFQ) for BA683-GS08 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for BA683-GS08 reliable?

The price and inventory of BA683-GS08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BA683-GS08 is usually 5 days.

3.What payment methods are accepted for BA683-GS08?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BA683-GS08 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BA683-GS08?

BA683-GS08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BA683-GS08 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for BA683-GS08?

For technical support, including BA683-GS08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BA683-GS08 requirements.

6.How does Aetrix verify that BA683-GS08 is sourced from the original manufacturer or authorized distributors?

All BA683-GS08 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BA683-GS08 meets industry standards.

7.What is the process for return or replacement of BA683-GS08?

All BA683-GS08 units undergo pre-shipment inspection (PSI). If there is an issue with BA683-GS08, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The BA683-GS08 part is unused and in its original packaging.

Return procedure for BA683-GS08:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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