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Infineon Technologies BBY 66-05 E6327
- Part No.:
- BBY 66-05 E6327
- Manufacturer:
- Infineon Technologies
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BBY 66-05 E6327.pdf
- Description:
- DIODE TUNING 12V 50MA SOT-23
- Quantity:
- Payment:
- Shipping:
Inventory:2,032
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Product details
Overview
BBY 66-05 E6327 from Infineon Technologies is a hyperabrupt silicon tuning diode in SOT23 package, configured as single common-cathode varactor with 33 pF typ. capacitance at VR = 2 V, 0.25 Ω typ. series resistance at 470 MHz, and capacitance ratio CT₁/CT₄.₅ ≥ 5.41 - designed for low-voltage VCO tuning in mobile communication transceivers.
For engineers reviewing the BBY 66-05 E6327 datasheet, BBY 66-05 E6327 pinout, BBY 66-05 E6327 application, or BBY 66-05 E6327 equivalent, key selection criteria include capacitance spread control (±1.5 pF at 1 V), low TCc (≤1200 ppm/°C), RoHS-compliant Pb-free packaging, AEC-Q101 qualification, and SOT23 terminal layout compatibility with automated RF assembly.
Technical Context
This varactor diode employs a hyperabrupt doping profile to achieve high capacitance ratio and linearized C–V slope across 1–4.5 V reverse bias range, enabling precise frequency pulling in voltage-controlled oscillators. Its low rS (0.25 Ω typ.) minimizes phase noise degradation in GHz-range VCOs.
Rated for –55 °C to +150 °C operation and qualified per AEC-Q101, it supports automotive-grade RF front-end designs where thermal stability of tuning capacitance and low leakage (<200 nA at 65 °C) are critical for long-term VCO drift performance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Capacitance @ VR = 2 V | 33 pF typical - sets nominal VCO center frequency and tuning range scaling |
| Capacitance Ratio CT₁/CT₄.₅ | ≥5.41 - enables wide, monotonic frequency tuning without discontinuity |
| Series Resistance rS | 0.25 Ω typical at 470 MHz - directly limits Q-factor and phase noise floor |
| Reverse Voltage VR | 12 V maximum - defines safe tuning voltage headroom in battery-powered radios |
| Capacitance Spread @ 1 V | ±1.5 pF (66–71.5 pF) - ensures predictable VCO calibration binning and yield |
| Temp. Coeff. TCc | ≤1200 ppm/°C - constrains frequency drift over automotive temperature range |
| Reverse Leakage IR | ≤200 nA at 65 °C - maintains tuning linearity and reduces DC bias instability |
Pinout & Package
SOT23 package: 3-pin, plastic surface-mount, common-cathode configuration; cathode marked on top surface; pin 1 = anode, pin 2 = cathode, pin 3 = cathode (internally tied).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | RF signal injection node; reverse-biased during VCO operation |
| Pins 2 & 3 | Common Cathode | DC ground reference and RF return path; dual terminals reduce inductance |
Key Features
| Feature | Design Value |
|---|---|
| Hyperabrupt junction profile | Enables >5× capacitance ratio with smooth C–V curve for stable VCO gain (MHz/V) |
| AEC-Q101 qualification | Validated for automotive RF modules requiring reliability under thermal cycling and humidity |
| Pb-free RoHS-compliant package | Meets EU Directive 2011/65/EU; compatible with lead-free reflow profiles (peak ≤260 °C) |
| Low capacitance spread (±1.5 pF) | Reduces need for per-unit VCO trim; improves production calibration throughput |
| 0.6 nH internal inductance (LS) | Minimizes self-resonant frequency shift; preserves effective tuning range up to 2.5 GHz |
Applications
| Mobile Handset VCO | Automotive Telematics Transceiver |
|---|---|
Use Scenario: Tuning element in 800–2200 MHz VCOs for LTE/WCDMA front-ends in smartphones. IC Role / Device Role / Timing Role: Voltage-variable capacitor controlling oscillator resonant frequency via analog tuning voltage. Use Value: 33 pF @ 2 V and 5.41 capacitance ratio enable ±15% frequency pull range with <0.5% nonlinearity. | Use Scenario: Frequency calibration component in GNSS+LTE combo modules for vehicle infotainment systems. IC Role / Device Role / Timing Role: Hyperabrupt varactor providing stable capacitance vs. temperature for multi-band VCO lock stability. Use Value: AEC-Q101 rating and ≤1200 ppm/°C TCc ensure <±50 kHz drift over –40 to +105 °C ambient. |
| Bluetooth LE Radio | Industrial Wireless Sensor Node |
Use Scenario: Compact tuning diode in 2.4 GHz VCOs for Bluetooth 5.0 SoC reference designs. IC Role / Device Role / Timing Role: Low-rS varactor minimizing phase noise contribution in low-power 2.4 GHz synthesizers. Use Value: 0.25 Ω rS and 12 V VR rating support efficient 3.3 V supply-tuned oscillators with <–110 dBc/Hz @ 1 MHz offset. | Use Scenario: Frequency adjustment element in sub-GHz ISM band (868/915 MHz) transceivers for smart metering. IC Role / Device Role / Timing Role: High-Q tuning diode enabling narrow-channel spacing and low adjacent-channel interference. Use Value: Q >150 at 915 MHz (derived from 33 pF / 0.25 Ω) supports <10 kHz channel bandwidth compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar varactor diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BBY66-05W | SOT323 package; LS = 1.4 nH vs. 1.8 nH; same C–V characteristics | Higher board-level parasitic inductance tolerance; suited for lower-frequency (<1 GHz) VCOs | Select when footprint size constraint outweighs RF performance at >1.5 GHz |
| BBY66-02V | SC79 package; LS = 0.6 nH; lower capacitance (19.7 pF @ 3 V) | Better high-frequency response; narrower tuning range due to lower CT₁/CT₄.₅ (5.0 min) | Prefer for ultra-compact 2.4 GHz VCOs where minimal package inductance is critical |
Compared with BBY66-05W and BBY66-02V, the BBY66-05 E6327 balances SOT23 manufacturability, 1.8 nH LS for mid-band VCOs, and highest capacitance ratio - making it optimal for 1–2.2 GHz mobile radio designs requiring production scalability and thermal robustness.
Availability
BBY 66-05 E6327 is available at Aetrix Electronics and suitable for mobile handset VCOs, automotive telematics transceivers, and Bluetooth LE radios requiring stable component supply, tight capacitance binning, and AEC-Q101 compliance.
Supply support for BBY 66-05 E6327 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 and wafer fabrication infrastructure.
The BBY66 series belongs to Infineon's high-frequency discrete tuning diode product line, engineered specifically for low-voltage, high-linearity VCO applications in battery-powered wireless communication equipment.
FAQ
What is the maximum recommended reverse voltage for continuous operation?
The BBY 66-05 E6327 has a rated maximum reverse voltage (VR) of 12 V at TA = 25 °C. Derating is required above 25 °C: VR decreases linearly to 8.4 V at 150 °C per the absolute maximum ratings table. Operation beyond this limit risks junction breakdown and irreversible capacitance shift.
How does the capacitance group coding affect circuit design?
BBY 66-05 E6327 is shipped in two capacitance groups (01: 66–69 pF; 02: 68.5–71.5 pF at VR = 1 V), marked on the reel. Designers must account for this ±1.5 pF spread in VCO calibration algorithms and avoid specifying group-selective orders, as Infineon ships mixed reels.
Is the SOT23 package suitable for reflow soldering with lead-free paste?
Yes - the BBY 66-05 E6327 uses a Pb-free RoHS-compliant SOT23 package qualified for standard lead-free reflow profiles (J-STD-020), with peak temperature tolerance up to 260 °C for 30 seconds. Thermal pad design should follow Infineon's SOT23 footprint guidelines to prevent tombstoning.
Does the AEC-Q101 qualification cover temperature cycling and HTRB testing?
Yes - AEC-Q101 qualification for BBY 66-05 E6327 includes full stress testing: 1000 cycles of –40 °C to +125 °C temperature cycling, 1000 hours of high-temperature reverse bias (HTRB) at 12 V and 150 °C, and mechanical shock/vibration per JESD22-A104/A107 - confirming suitability for automotive under-hood RF modules.
BBY 66-05 E6327 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- 1 Pair Common Cathode
- Q @ Vr, F:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT23
BBY 66-05 E6327 FAQ
1.How can I place an order for BBY 66-05 E6327 through Aetrix?
Please submit a Request for Quotation (RFQ) for BBY 66-05 E6327 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 BBY 66-05 E6327 reliable?
The price and inventory of BBY 66-05 E6327 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BBY 66-05 E6327 is usually 5 days.
3.What payment methods are accepted for BBY 66-05 E6327?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BBY 66-05 E6327 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BBY 66-05 E6327?
BBY 66-05 E6327 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BBY 66-05 E6327 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 BBY 66-05 E6327?
For technical support, including BBY 66-05 E6327 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BBY 66-05 E6327 requirements.
6.How does Aetrix verify that BBY 66-05 E6327 is sourced from the original manufacturer or authorized distributors?
All BBY 66-05 E6327 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 BBY 66-05 E6327 meets industry standards.
7.What is the process for return or replacement of BBY 66-05 E6327?
All BBY 66-05 E6327 units undergo pre-shipment inspection (PSI). If there is an issue with BBY 66-05 E6327, 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 BBY 66-05 E6327 part is unused and in its original packaging.
Return procedure for BBY 66-05 E6327:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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