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Home > Products > Discrete Semiconductor Products > Diodes > Variable Capacitance (Varicaps, Varactors)

Infineon Technologies BBY6602VH6327XTSA1

Name: BBY6602VH6327XTSA1
Brand: Infineon Technologies
SKU: BBY6602VH6327XTSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BBY6602VH6327XTSA1

Manufacturer:: Infineon Technologies

Category:: Variable Capacitance (Varicaps, Varactors)

Package:: SC-79, SOD-523

Datasheet:: BBY6602VH6327XTSA1.pdf

Description:: DIODE TUNING 12V 50MA SC79

Quantity:: RFQ Add To RFQ list

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Inventory:32,603

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Product details

Overview

BBY6602VH6327XTSA1 from Infineon Technologies is a silicon hyperabrupt tuning diode in SC79 (SOT-23) package, configured as single common-cathode varactor with 66–71.5 pF capacitance at 1 V, 5.41:1 capacitance ratio (1 V / 4.5 V), 0.25 Ω typical series resistance at 470 MHz, and rated for 12 V reverse voltage - designed specifically for low-voltage VCO tuning in mobile communications transceivers.

For engineers reviewing the BBY6602VH6327XTSA1 datasheet, BBY6602VH6327XTSA1 pinout, BBY6602VH6327XTSA1 application, or BBY6602VH6327XTSA1 equivalent, key selection criteria include capacitance spread control (±1.5 pF at 1 V), temperature coefficient of capacitance (≤1200 ppm/°C), low IR (<20 nA @ 10 V, 25°C), RoHS-compliant Pb-free packaging, and AEC-Q101 qualification for automotive-grade reliability.

Technical Context

This hyperabrupt junction varactor delivers nonlinear C–V response optimized for wide-tuning-range VCOs: capacitance varies from 71.5 pF at 1 V to 12.7 pF at 4.5 V (f = 1 MHz), enabling high-frequency agility in 800–2500 MHz bands. Its low r_S (0.25 Ω typ.) minimizes phase noise degradation in oscillator tank circuits.

The diode's AEC-Q101 qualification confirms robustness across –55 °C to +150 °C operating range, while tight capacitance grouping (CT Group 01: 66–69 pF at 1 V) ensures predictable VCO center-frequency binning in mass production without post-assembly calibration.

Key Specifications

Parameter	Value and Actual Design Meaning
Capacitance at 1 V	66–71.5 pF - defines VCO low-end frequency limit and tank impedance at minimum tuning voltage
Capacitance ratio (1 V / 4.5 V)	5.41:1 - enables ≥2× octave tuning bandwidth in fundamental-mode LC oscillators
Series resistance (r_S)	0.25 Ω typ. @ 470 MHz - directly limits Q-factor and phase noise floor in resonant circuits
Reverse voltage rating (V_R)	12 V - supports bias headroom for supply-voltage-scalable VCO designs up to 9 V tuning range
Reverse current (I_R)	<20 nA @ 10 V, 25°C - ensures minimal leakage-induced drift in precision frequency synthesis loops
Temperature coefficient (TCC)	≤1200 ppm/°C - constrains VCO pullability shift over industrial temperature range
Package	SC79 (SOT-23) - surface-mount footprint compatible with automated RF assembly and thermal cycling reliability

Pinout & Package

BBY6602VH6327XTSA1 uses the SC79 (SOT-23) package: 3-pin, single common-cathode configuration with cathode marked on top surface. Pin 1 = anode, Pin 2 = cathode (common), Pin 3 = anode - validated per Infineon package outline document 2007-04-20 page 4.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Anode	RF signal injection point; connects to VCO inductor node for voltage-controlled reactance modulation
Pin 2	Cathode (common)	DC bias return and RF ground reference; must be low-inductance connection to minimize parasitic resonance
Pin 3	Anode	Second anode terminal - unused in single-diode configuration but enables dual-anode layout symmetry in PCB routing

Key Features

Feature	Design Value
Hyperabrupt junction profile	Enables linearized frequency vs. voltage tuning slope (MHz/V) across full 1–4.5 V range
Tight capacitance grouping (CT Group 01)	66–69 pF at 1 V - reduces VCO binning scatter and eliminates need for individual unit trimming
AEC-Q101 qualification	Validated for automotive infotainment and telematics VCOs requiring >1000-cycle thermal shock endurance
Pb-free RoHS-compliant construction	Meets EU Directive 2011/65/EU without exemption - suitable for lead-free reflow profiles (peak 260°C)

Applications

Mobile Handset VCO

Automotive Telematics Transceiver

Use Scenario: Tuning element in 1.8–2.2 GHz GSM/UMTS/LTE local oscillator for smartphone front-end.

IC Role / Device Role / Timing Role: Voltage-variable capacitor controlling resonant frequency of Colpitts oscillator tank circuit.

Use Value: 5.41:1 C-ratio and 0.25 Ω r_S enable ±15 MHz pulling range with <–110 dBc/Hz phase noise at 100 kHz offset.

Use Scenario: Frequency tuning diode in 868 MHz ISM-band VCO for vehicle-to-infrastructure (V2I) short-range communication module.

IC Role / Device Role / Timing Role: Varactor in PLL-based synthesizer loop filter path for channel-hopping agility.

Use Value: AEC-Q101 qualification and –55 °C to +150 °C operation ensure stable lock time and frequency accuracy across engine bay thermal cycles.

Portable Wi-Fi 6E AP

Industrial IoT Gateway Radio

Use Scenario: Dual-band VCO tuning component supporting simultaneous 2.4 GHz and 5.8 GHz operation in compact access point RF section.

IC Role / Device Role / Timing Role: Paired hyperabrupt diodes (one per band) sharing common cathode for space-constrained layout.

Use Value: SC79 footprint allows ≤1.2 mm² board area per diode; low capacitance spread (±1.5 pF) maintains consistent channel spacing across production units.

Use Scenario: Low-power sub-GHz LoRaWAN transceiver VCO in battery-operated sensor gateway deployed in factory environments.

IC Role / Device Role / Timing Role: Tuning element in 433/868 MHz VCO where low tuning voltage (<3.3 V) extends battery life.

Use Value: High C-ratio and low r_S allow full 1% frequency deviation using only 1.8–3.3 V DAC output - eliminating external level-shifting circuitry.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BBY58-02W	Lower C_T (25 pF @ 1 V), lower C-ratio (3.5:1), higher r_S (0.6 Ω)	Better suited for narrowband IF tuning; insufficient for wideband VCOs above 1 GHz	Select when phase noise budget allows higher r_S and tuning range requirement is ≤10%
SMV1232-011	Higher C_T (100 pF @ 1 V), same C-ratio (5.5:1), r_S = 0.35 Ω, SOD-323 package	Larger footprint; requires different PCB land pattern and thermal relief design	Choose for higher capacitance loading in low-frequency VCOs (≤900 MHz) where SC79 mechanical constraints prohibit use

Compared with BBY6602VH6327XTSA1, BBY58-02W trades tuning range for cost-sensitive narrowband use, while SMV1232-011 offers higher C_T at the expense of board area and assembly compatibility - making BBY6602VH6327XTSA1 optimal for space-constrained, wideband mobile VCOs demanding AEC-Q101 compliance.

Availability

BBY6602VH6327XTSA1 is available at Aetrix Electronics and suitable for mobile handset VCO design, automotive telematics transceivers, and portable Wi-Fi 6E access points requiring stable component supply with tight capacitance binning and AEC-Q101 reliability assurance.

Supply support for BBY6602VH6327XTSA1 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

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, RF, and automotive ICs, with global R&D centers and wafer fabs in Dresden and Villach.

BBY6602VH6327XTSA1 belongs to Infineon's BBY66 hyperabrupt varactor family, engineered for high-Q, low-voltage VCO tuning in battery-powered wireless infrastructure and automotive connectivity systems.

FAQ

What is the maximum recommended reverse voltage for continuous operation?

The absolute maximum reverse voltage is 12 V at TA = 25°C. Derating is required above 25°C: VR decreases linearly to 8.4 V at 150°C per Infineon's maximum ratings table. Exceeding VR risks junction breakdown and irreversible capacitance drift, especially under RF stress conditions.

Does BBY6602VH6327XTSA1 support DC biasing through the cathode pin?

Yes - the common-cathode configuration allows DC bias to be applied to Pin 2 (cathode) while RF signals couple differentially across Pins 1 and 3 (anodes). This topology simplifies bias network integration and improves RF isolation between tuning voltage and oscillator output.

How is capacitance grouping implemented and can I specify CT Group 01?

Capacitance groups (01 or 02) are assigned during final test and marked on the reel label; BBY6602VH6327XTSA1 ships exclusively in CT Group 01 (66–69 pF at 1 V). Direct ordering of group 01 is not possible - all units supplied meet this tighter spec per Infineon's delivery policy.

Is the SC79 package compatible with standard SOT-23 pick-and-place equipment?

Yes - SC79 shares identical footprint, pitch (0.95 mm), and tape/reel specifications (2 mm pitch, 3000 pcs/reel ø180 mm) with JEDEC-standard SOT-23. No tooling change is required; placement accuracy is maintained within ±0.05 mm per Infineon's package drawing revision 2007-04-20.

BBY6602VH6327XTSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: SC-79, SOD-523

Packaging:: Tape & Reel (TR)

Product Status:: Active

Capacitance @ Vr, F:: 13.5pF @ 4.5V, 1MHz

Capacitance Ratio:: 5.41

Capacitance Ratio Condition:: C1/C4.5

Voltage - Peak Reverse (Max):: 12 V

Diode Type:: Single

Q @ Vr, F:: -

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-SC79-2

BBY6602VH6327XTSA1 FAQ

1.How can I place an order for BBY6602VH6327XTSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BBY6602VH6327XTSA1 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 BBY6602VH6327XTSA1 reliable?

The price and inventory of BBY6602VH6327XTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BBY6602VH6327XTSA1 is usually 5 days.

3.What payment methods are accepted for BBY6602VH6327XTSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BBY6602VH6327XTSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BBY6602VH6327XTSA1?

BBY6602VH6327XTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BBY6602VH6327XTSA1 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 BBY6602VH6327XTSA1?

For technical support, including BBY6602VH6327XTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BBY6602VH6327XTSA1 requirements.

6.How does Aetrix verify that BBY6602VH6327XTSA1 is sourced from the original manufacturer or authorized distributors?

All BBY6602VH6327XTSA1 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 BBY6602VH6327XTSA1 meets industry standards.

7.What is the process for return or replacement of BBY6602VH6327XTSA1?

All BBY6602VH6327XTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with BBY6602VH6327XTSA1, 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 BBY6602VH6327XTSA1 part is unused and in its original packaging.

Return procedure for BBY6602VH6327XTSA1:

1.Submit a request within 90 days.

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

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