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Infineon Technologies BB664H7902XTSA1
- Part No.:
- BB664H7902XTSA1
- Manufacturer:
- Infineon Technologies
- Package:
- SC-80
- Datasheet:
-
BB664H7902XTSA1.pdf
- Description:
- DIODE VAR CAP 30V 20MA SCD80
- Quantity:
- Payment:
- Shipping:
Inventory:3,788
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Product details
Overview
BB664H7902XTSA1 from Infineon Technologies is a silicon hyperabrupt junction varactor diode in SC79 (SOD-523) package, designed for VHF TV tuner frequency synthesis. It delivers 39–44.5 pF capacitance at 1 V reverse bias, 2.4–2.75 pF at 28 V, with 15–17.8:1 capacitance ratio and ≤2% capacitance matching across matched sequences - enabling precise voltage-controlled oscillator (VCO) tuning in broadcast receiver front-ends.
For engineers reviewing the BB664H7902XTSA1 datasheet, BB664H7902XTSA1 pinout, BB664H7902XTSA1 application, or BB664H7902XTSA1 equivalent, key selection criteria include its 0.6 nH series inductance, 0.6–0.75 Ω series resistance at 470 MHz, AEC-Q101 qualification, RoHS-compliant Pb-free construction, and tight ±2% capacitance uniformity across production lots.
Technical Context
This varactor operates via voltage-dependent depletion-layer capacitance modulation in hyperabrupt junction architecture, optimized for linear C–V response in VHF band (30–300 MHz). Its low LS (0.6 nH) and rS (typ. 0.6 Ω) minimize Q-factor degradation and phase noise in resonant tank circuits.
The device employs "in-line" matching assembly to achieve ≤2% ∆CT/CT across 7-diode sequences - critical for multi-stage VCOs requiring inter-device tracking. Temperature coefficient of capacitance (TCC) is specified across 1–28 V bias range, supporting stable tuning over −55 °C to +150 °C operating temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Capacitance @ 1 V | 39–44.5 pF - sets minimum VCO oscillation frequency and tank impedance level |
| Capacitance @ 28 V | 2.4–2.75 pF - defines maximum tuning range and high-frequency cutoff |
| Capacitance Ratio (1 V / 28 V) | 15–17.8:1 - determines total VCO frequency span (e.g., 47–230 MHz for TV channel coverage) |
| Series Resistance @ 470 MHz | 0.6–0.75 Ω - limits Q-factor degradation and phase noise in LC tanks |
| Series Inductance | 0.6 nH - contributes <1 Ω reactance up to 200 MHz, preserving effective C–V linearity |
| Reverse Voltage Rating | 30 V DC, 35 V peak - supports wide-tuning-range VCO bias networks with margin |
| Capacitance Matching | ≤2% ∆CT/CT across 7-diode sequence - enables matched VCO bank designs without individual trimming |
Pinout & Package
BB664H7902XTSA1 uses the SC79 (SOD-523) surface-mount package: 1.2 mm × 0.8 mm × 0.55 mm body, single anode/cathode configuration, cathode marked by laser bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | DC bias input / AC ground reference | Connected to fixed DC tuning voltage; RF ground path via low-inductance PCB layout |
| Cathode (Pin 2) | RF signal node / variable capacitance terminal | Connected to LC tank inductor; capacitance varies inversely with applied reverse bias |
Key Features
| Feature | Design Value |
|---|---|
| Hyperabrupt junction profile | Enables near-linear frequency vs. voltage tuning slope in VHF TV channel bands |
| In-line matching assembly | Guarantees ≤2% capacitance deviation across 7-diode production sequences for multi-VCO systems |
| AEC-Q101 qualification | Validated for automotive tuner modules requiring −40 °C to +125 °C operation and reliability stress testing |
| Pb-free RoHS-compliant construction | Meets EU Directive 2011/65/EU; compatible with lead-free reflow profiles (peak 260 °C) |
Applications
| TV Tuner Front-End | VHF Band Synthesizer |
|---|---|
Use Scenario: Analog/digital terrestrial TV receiver selecting UHF/VHF channels (47–862 MHz). IC Role / Device Role / Timing Role: Varactor diode in LC voltage-controlled oscillator providing coarse frequency selection and fine channel tuning. Use Value: 17.8:1 capacitance ratio enables full VHF band coverage (47–230 MHz) with single-tank topology and <±10 kHz tuning error. | Use Scenario: Multi-standard broadcast receiver supporting DVB-T, ATSC, and ISDB-T standards. IC Role / Device Role / Timing Role: Tuning element in fractional-N PLL synthesizer's VCO core for agile channel switching. Use Value: ≤2% capacitance matching ensures <0.5% frequency drift across temperature and unit-to-unit variation in production modules. |
| Automotive Radio Tuner | FM Radio IF Filter Tuning |
Use Scenario: In-vehicle infotainment system receiving FM/AM broadcast signals under vibration and thermal cycling. IC Role / Device Role / Timing Role: Temperature-stable varactor in VCO-based local oscillator for heterodyne downconversion. Use Value: AEC-Q101 qualification and −55 °C to +150 °C operation ensure no frequency drift >±50 ppm over vehicle lifetime. | Use Scenario: High-selectivity IF stage in portable FM radios using switched-capacitor or varactor-tuned ceramic filters. IC Role / Device Role / Timing Role: Dynamic capacitance adjustment element for center-frequency calibration during power-up. Use Value: Low 0.6 nH series inductance preserves filter Q >120 at 10.7 MHz, maintaining adjacent-channel rejection >65 dB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar varactor diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BB664H6327XTSA1 | Same die, SCD80 (SOD-323) package; LS = 0.6 nH, rS = 0.6 Ω, identical C–V curve | Larger footprint (1.7 × 1.3 mm); lower thermal resistance but higher parasitic capacitance to PCB ground | Select when board space allows larger package and thermal dissipation >150 mW is required |
| BB644H7902XTSA1 | Same SC79 package; lower max capacitance (34–37 pF @ 1 V), 13.5:1 ratio, higher rS (0.8 Ω) | Narrower tuning range; reduced VCO gain (MHz/V); higher phase noise floor above 100 MHz | Select only if legacy design requires backward compatibility and 15 MHz bandwidth reduction is acceptable |
Compared with BB664H6327XTSA1 and BB644H7902XTSA1, BB664H7902XTSA1 offers optimal balance of miniaturization (SC79), wide 17.8:1 tuning ratio, and lowest rS (0.6 Ω) - making it preferred for space-constrained, low-phase-noise VHF VCOs in consumer and automotive tuners.
Availability
BB664H7902XTSA1 is available at Aetrix Electronics and suitable for VHF TV tuners, automotive radio receivers, FM/IF filter calibration circuits, and broadcast receiver synthesizers requiring stable component supply, tight capacitance matching, and AEC-Q101 compliance.
Supply support for BB664H7902XTSA1 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 manufacturing infrastructure.
BB664H7902XTSA1 belongs to Infineon's RF discrete varactor family, engineered specifically for high-linearity, low-loss tuning in broadcast and wireless receiver front-ends - emphasizing matching precision, thermal stability, and automotive-grade reliability.
FAQ
What is the maximum reverse voltage rating for BB664H7902XTSA1?
The absolute maximum DC reverse voltage is 30 V, with a peak reverse voltage rating of 35 V under conditions where series resistance exceeds 5 kΩ. Exceeding 30 V DC risks irreversible junction breakdown and permanent capacitance shift, especially above 85 °C ambient.
How is capacitance matching guaranteed across units?
Infineon uses an "in-line" matching assembly process that groups diodes from the same wafer lot and sorts them into sequences of seven devices with ≤2% ∆CT/CT deviation at all bias points from 1 V to 28 V - verified per Application Note AN047 and shipped with matched lot traceability.
Does BB664H7902XTSA1 support lead-free reflow soldering?
Yes - BB664H7902XTSA1 is Pb-free and RoHS-compliant, qualified for standard lead-free reflow profiles with peak temperature up to 260 °C (per JEDEC J-STD-020), and features matte tin termination compatible with no-clean flux chemistries.
What is the typical series resistance at VHF frequencies?
At 470 MHz and 5 V reverse bias, the typical series resistance is 0.6 Ω (max 0.75 Ω), measured using RF I–V methods. This value directly impacts VCO phase noise floor and tank circuit Q-factor - lower rS improves close-in phase noise by up to 6 dB at 10 kHz offset.
BB664H7902XTSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- SC-80
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Capacitance @ Vr, F:
- 2.75pF @ 28V, 1MHz
- Capacitance Ratio:
- 17.8
- Capacitance Ratio Condition:
- C1/C28
- Voltage - Peak Reverse (Max):
- 30 V
- Diode Type:
- Single
- Q @ Vr, F:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SCD-80
BB664H7902XTSA1 FAQ
1.How can I place an order for BB664H7902XTSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for BB664H7902XTSA1 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 BB664H7902XTSA1 reliable?
The price and inventory of BB664H7902XTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BB664H7902XTSA1 is usually 5 days.
3.What payment methods are accepted for BB664H7902XTSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BB664H7902XTSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BB664H7902XTSA1?
BB664H7902XTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BB664H7902XTSA1 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 BB664H7902XTSA1?
For technical support, including BB664H7902XTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BB664H7902XTSA1 requirements.
6.How does Aetrix verify that BB664H7902XTSA1 is sourced from the original manufacturer or authorized distributors?
All BB664H7902XTSA1 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 BB664H7902XTSA1 meets industry standards.
7.What is the process for return or replacement of BB664H7902XTSA1?
All BB664H7902XTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with BB664H7902XTSA1, 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 BB664H7902XTSA1 part is unused and in its original packaging.
Return procedure for BB664H7902XTSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BB664H7902XTSA1 Tags
-
BBY5702VH6327XTSA1
Infineon Technologies
-
BBY5602VH6327XTSA1
Infineon Technologies
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SMV1405-040LF
Skyworks Solutions Inc.
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BBY6502VH6327XTSA1
Infineon Technologies
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BBY6602VH6327XTSA1
Infineon Technologies
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BBY5802VH6327XTSA1
Infineon Technologies
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BB175X
NXP USA Inc.
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SMV1430-040LF
Skyworks Solutions Inc.
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SMV1273-079LF
Skyworks Solutions Inc.
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SMV1255-079LF
Skyworks Solutions Inc.
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SMV1213-079LF
Skyworks Solutions Inc.
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SMV1247-079LF
Skyworks Solutions Inc.
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