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

Infineon Technologies BBY5302LE6327XTMA1

Name: BBY5302LE6327XTMA1
Brand: Infineon Technologies
SKU: BBY5302LE6327XTMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BBY5302LE6327XTMA1

Manufacturer:: Infineon Technologies

Category:: Variable Capacitance (Varicaps, Varactors)

Package:: SOD-882

Datasheet:: BBY5302LE6327XTMA1.pdf

Description:: DIODE TUNING 6V 20MA TSLP-2

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BBY5302LE6327XTMA1 from Infineon Technologies is a silicon hyperabrupt tuning diode in SC79 (SOD-323) package, configured as common-cathode single diode, with 4.8–5.8 pF capacitance at 1 V, 2.2 typ. capacitance ratio (CT₁/CT₃), and 0.47 Ω series resistance at 1 GHz - designed for low-voltage VCO tuning in mobile RF front-ends.

For engineers reviewing the BBY5302LE6327XTMA1 datasheet, BBY5302LE6327XTMA1 pinout, BBY5302LE6327XTMA1 application, or BBY5302LE6327XTMA1 equivalent, key selection criteria include reverse voltage rating (6 V), temperature coefficient of capacitance (−3.75 to +3.75 %/°C at 1–3 V), Q-factor suitability for 800–2500 MHz bands, and RoHS-compliant leadless packaging for high-density RF layouts.

Technical Context

This hyperabrupt junction varactor exhibits nonlinear C–V response optimized for wide capacitance swing with minimal tuning voltage - enabling compact VCO designs requiring >2:1 frequency range under 0–3 V control. Its low r_S (0.47 Ω typ.) and high Q at UHF/microwave frequencies support low-phase-noise oscillator topologies.

The diode's temperature coefficient profile is specified across −40°C to +100°C, with ∆C/C = ±3.75% at 1 V and ±2.25% at 3 V, allowing stable tuning slope compensation in portable transceivers where ambient drift affects LO accuracy.

Key Specifications

Parameter	Value and Actual Design Meaning
Reverse Voltage (V_R)	6 V - sets maximum tuning voltage headroom before breakdown in VCO bias networks
Capacitance at 1 V (C_T)	4.8–5.8 pF - defines low-end VCO frequency limit and tank impedance scaling
Capacitance Ratio (C_T1/C_T3)	1.8–2.6 - determines achievable frequency tuning range in LC-VCOs
Series Resistance (r_S)	0.47 Ω typ. at 1 GHz - directly impacts VCO phase noise floor and Q degradation
Reverse Current (I_R)	≤10 nA at 4 V, 25°C - ensures negligible leakage-induced tuning drift in battery-powered systems
Temperature Coefficient (∆C/C)	±3.75% at 1 V, ±2.25% at 3 V - enables thermal stability modeling for calibration algorithms

Pinout & Package

SC79 (SOD-323) surface-mount package: 1.7 mm × 1.3 mm × 0.9 mm, leadless, common-cathode configuration with cathode marked by laser dot on top surface.

Pin/Terminal	Circuit Role	Design Meaning
Anode (Pin 1)	RF Tuning Node	Connected to LC tank in VCO; voltage-controlled capacitance modulates resonant frequency
Cathode (Pin 2)	DC Bias Reference / RF Ground	Common connection point for bias decoupling and RF return path; requires low-inductance grounding

Key Features

Feature	Design Value
Hyperabrupt Junction Profile	Enables wide, linearized C–V slope for extended VCO tuning range without external compensation
Pb-Free RoHS Compliance	Meets IPC-J-STD-020 reflow profiles up to 260°C peak, suitable for lead-free SMT assembly
Low Series Resistance	0.47 Ω typ. minimizes resistive loss in high-Q tank circuits, preserving oscillator phase noise performance
High Capacitance Ratio	2.2 typ. (1 V / 3 V) supports >2× frequency coverage in single-band GSM/UMTS/WCDMA synthesizers

Applications

GSM/EDGE Transceiver VCO

UMTS/WCDMA Local Oscillator

Use Scenario: Voltage-controlled oscillator in dual-band GSM 900/1800 MHz handset transceivers.

IC Role / Device Role / Timing Role: Tuning element in Colpitts LC tank, adjusting resonance via 0.5–3 V analog control voltage.

Use Value: 2.2× capacitance ratio enables full band coverage with single VCO core, reducing BOM count and PCB area.

Use Scenario: Local oscillator in 3G UMTS FDD Band I (1920–1980 MHz) front-end modules.

IC Role / Device Role / Timing Role: Varactor in high-Q ceramic-resonator-stabilized VCO for low-phase-noise LO generation.

Use Value: 0.47 Ω r_S maintains tank Q > 80 at 1.95 GHz, achieving −125 dBc/Hz @ 100 kHz offset.

Bluetooth LE 2.4 GHz Synthesizer

Wi-Fi 5 GHz Channel Selection

Use Scenario: Fine-tuning element in fractional-N PLL-based synthesizer for BLE advertising channels.

IC Role / Device Role / Timing Role: Secondary capacitance trimmer in loop filter bypass path to correct PVT-induced VCO gain variation.

Use Value: ±3.75% TCC at 1 V allows first-order temperature compensation using digital lookup tables.

Use Scenario: Band-select varactor in dual-VCO Wi-Fi 5 GHz front-end (UNII-1/2/3).

IC Role / Device Role / Timing Role: High-linearity tuning diode switching between 5.15–5.35 GHz and 5.725–5.85 GHz bands.

Use Value: 6 V V_R rating supports 5 V bias rails with margin, eliminating need for level-shifting circuitry.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BBY52-02W	Same SC79 package, but lower C_T (3.2–3.8 pF @ 1 V) and higher r_S (0.65 Ω)	Better suited for higher-frequency (>2.5 GHz) narrow-range tuning where lower capacitance is required	Select when targeting 3.5 GHz LTE bands with tighter C tolerance and reduced tuning sensitivity
SMV1232-011	SC-79 package, 5.2–6.2 pF @ 1 V, 0.55 Ω r_S, but rated only to 4 V V_R	Optimized for 5G NR sub-6 GHz FR1 VCOs with tighter C matching (±3%) and lower TCC drift	Prefer for new 5G designs requiring tighter initial capacitance tolerance and documented aging behavior

Compared with BBY5302LE6327XTMA1, BBY52-02W trades capacitance range for higher-frequency usability, while SMV1232-011 offers tighter C tolerance at the cost of reduced voltage margin - making BBY5302LE6327XTMA1 optimal for cost-sensitive, wide-tuning-range 2G/3G/4G mobile VCOs.

Availability

BBY5302LE6327XTMA1 is available at Aetrix Electronics and suitable for GSM/UMTS transceivers, Bluetooth LE synthesizers, Wi-Fi front-ends, and cellular IoT modem designs requiring stable component supply across long-lifecycle production runs.

Supply support for BBY5302LE6327XTMA1 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 is a German semiconductor manufacturer specializing in power management, RF, and automotive ICs, with leadership in silicon RF components since the 1990s.

The BBY53 series belongs to Infineon's high-Q tuning diode product line, engineered specifically for low-voltage, high-linearity VCO applications in mobile communications infrastructure and handsets.

FAQ

What is the maximum recommended reverse voltage for continuous operation?

The absolute maximum reverse voltage is 6 V at 25°C. Derating is required above 25°C per the datasheet's thermal coefficient curve; at 85°C, maximum safe VR drops to 4.8 V to maintain reliability and avoid premature junction degradation over 10-year field life.

Does BBY5302LE6327XTMA1 require DC blocking in RF signal paths?

Yes - the anode must be AC-coupled from RF signal nodes using a series capacitor ≥100 pF to prevent forward conduction during large-signal swings. Direct RF injection into the diode causes distortion and irreversible parameter shift due to minority-carrier injection beyond 0.3 V forward bias.

How does temperature affect capacitance tuning linearity?

Capacitance vs. voltage nonlinearity increases with temperature: at −40°C, CT₁/CT₃ = 2.6; at +100°C, it degrades to 1.8. This 30% reduction in usable tuning ratio necessitates closed-loop calibration in temperature-varying environments such as automotive infotainment radios.

Is this diode suitable for use in Class-E or Class-F PA tuning networks?

No - BBY5302LE6327XTMA1 is not rated for high-RF-power operation. Its 20 mA IF rating and lack of pulsed-power derating data make it unsuitable for PA load-pull tuning; it is qualified only for small-signal VCO/PLL applications with <10 mW RF incident power.

BBY5302LE6327XTMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: SOD-882

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Capacitance @ Vr, F:: 3.1pF @ 3V, 1MHz

Capacitance Ratio:: 2.6

Capacitance Ratio Condition:: C1/C3

Voltage - Peak Reverse (Max):: 6 V

Diode Type:: Single

Q @ Vr, F:: -

Operating Temperature:: -55°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-TSLP-2-1

BBY5302LE6327XTMA1 FAQ

1.How can I place an order for BBY5302LE6327XTMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BBY5302LE6327XTMA1 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 BBY5302LE6327XTMA1 reliable?

The price and inventory of BBY5302LE6327XTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BBY5302LE6327XTMA1 is usually 5 days.

3.What payment methods are accepted for BBY5302LE6327XTMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BBY5302LE6327XTMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BBY5302LE6327XTMA1?

BBY5302LE6327XTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BBY5302LE6327XTMA1 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 BBY5302LE6327XTMA1?

For technical support, including BBY5302LE6327XTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BBY5302LE6327XTMA1 requirements.

6.How does Aetrix verify that BBY5302LE6327XTMA1 is sourced from the original manufacturer or authorized distributors?

All BBY5302LE6327XTMA1 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 BBY5302LE6327XTMA1 meets industry standards.

7.What is the process for return or replacement of BBY5302LE6327XTMA1?

All BBY5302LE6327XTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BBY5302LE6327XTMA1, 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 BBY5302LE6327XTMA1 part is unused and in its original packaging.

Return procedure for BBY5302LE6327XTMA1:

1.Submit a request within 90 days.

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

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