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Renesas BB503CCS-TL-H
- Part No.:
- BB503CCS-TL-H
- Manufacturer:
- Renesas
- Category:
- Single FETs, MOSFETs
- Package:
- -
- Datasheet:
-
BB503CCS-TL-H.pdf
- Description:
- RF MOSFET
- Quantity:
- Payment:
- Shipping:
Inventory:60,000
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Product details
Overview
BB503CCS-TL-H from Renesas Electronics is a UHF RF amplifier IC featuring integrated biasing circuitry, designed for 900 MHz wireless front-ends in portable transceivers and cellular infrastructure modules. It delivers 22 dB typical power gain, 1.8 dB typical noise figure, and operates with 5 V drain supply and dual-gate control (VG1 = 5 V, VG2 = 4 V) to enable AGC functionality.
For engineers reviewing the BB503CCS-TL-H datasheet, BB503CCS-TL-H pinout, BB503CCS-TL-H application, or BB503CCS-TL-H equivalent, key selection criteria include its built-in ESD protection (200 V HBM), SOT-343mod (CMPAK-4) package, dual-gate MOSFET architecture for gain control, and verified 900 MHz small-signal performance per Renesas REJ03G0834-0500.
Technical Context
This dual-gate GaAs MESFET-based RF amplifier integrates on-chip biasing resistors to eliminate external gate bias components, reducing PCB area and BOM cost. Its two independent gates allow simultaneous DC bias setting (VG1) and variable gain control (VG2), enabling analog AGC without external DACs or op-amps.
The device uses a common-source configuration with source grounding, exhibits low Crss (0.025 pF typ.) for high reverse isolation, and maintains stable 50 Ω input/output impedance across 50–1000 MHz - confirmed by measured S-parameters up to 1 GHz with Zo = 50 Ω.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Power Gain | 22 dB typ. at 900 MHz - enables single-stage amplification in UHF receiver LNA or IF driver stages without cascading. |
| Noise Figure | 1.8 dB typ. at 900 MHz - supports sensitive reception in low-SNR environments such as GSM/EDGE baseband front-ends. |
| Drain Current | 10 mA typ. at VDS = 5 V - sets quiescent power dissipation at ~50 mW, compatible with thermally constrained handheld PCB layouts. |
| Input Capacitance | 1.7 pF typ. - simplifies matching network design with minimal parasitic loading on preceding stage. |
| ESD Withstand | 200 V HBM (C = 200 pF, Rs = 0 Ω) - eliminates need for external TVS diodes in consumer-grade RF signal paths. |
| Gate Cutoff Voltage | 0.7 V typ. (VG1S(off) & VG2S(off)) - ensures reliable turn-on margin with standard 3.3 V/5 V logic-level control signals. |
| Reverse Transfer Cap. | 0.025 pF typ. - provides >30 dB reverse isolation, critical for stability in feedback-sensitive transmitter driver applications. |
Pinout & Package
CMPAK-4 (SOT-343mod) surface-mount package, 1.8 mm × 1.15 mm footprint, 0.32 mm nominal height, JEITA code SC-82A, Renesas package code PTSP0004ZA-A.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Source) | Common Source Terminal | DC ground reference and RF return path; must be low-inductance connected to solid ground plane. |
| 2 (Gate1) | Primary Bias/Gate Control | Sets operating point (ID ≈ 10 mA); typically tied to fixed 5 V via 47 kΩ resistor per test circuit. |
| 3 (Gate2) | Gain Control Input | Analog AGC terminal; varying VG2 from 0.3 V to 4 V reduces PG by up to 20 dB while maintaining NF < 3 dB. |
| 4 (Drain) | RF Output / Power Supply Node | DC supply input (5 V) and amplified RF output; requires RFC + decoupling capacitor per application schematic. |
Key Features
| Feature | Design Value |
|---|---|
| Built-in biasing network | Eliminates external gate resistors - reduces component count by ≥2 and saves ≥2.5 mm² PCB area in compact RF modules. |
| Dual-gate gain control | Enables continuous, voltage-controlled gain adjustment (0–20 dB range) without switching artifacts or LO leakage. |
| Low Crss capacitance | 0.025 pF typ. minimizes feedback from drain to gate2, ensuring unconditional stability in 50 Ω systems up to 1 GHz. |
| Miniature CMPAK-4 package | 0.65 mm pitch, 4-terminal leadless design - supports automated placement and reflow in high-density mobile RF assemblies. |
| Integrated ESD protection | On-die diode clamps withstand 200 V HBM, meeting IEC 61000-4-2 Level 2 requirements without external protection. |
Applications
| Cellular Handset Front-End | ISM Band Transceiver LNA |
|---|---|
Use Scenario: Low-power 900 MHz receive path in dual-band GSM/GPRS handsets with space-constrained PCB layout. IC Role / Device Role / Timing Role: First-stage LNA with integrated AGC, providing 22 dB gain and 1.8 dB NF before downconversion. Use Value: Reduces external component count by 3 (bias resistors + AGC transistor), cuts RF section footprint by 15%, and maintains sensitivity over battery voltage drift. | Use Scenario: 868/915 MHz ISM band wireless sensor node receiver requiring robust gain control under varying signal conditions. IC Role / Device Role / Timing Role: Programmable gain amplifier in sub-GHz IoT transceiver RFIC interface, controlled by MCU GPIO. Use Value: Enables dynamic range extension from –105 dBm to –75 dBm via VG2 sweep, eliminating need for discrete VGA + detector circuit. |
| UHF RFID Reader Module | Portable DMR Radio Receiver |
Use Scenario: 902–928 MHz reader front-end where fast AGC response and low self-noise are critical for tag detection. IC Role / Device Role / Timing Role: High-linearity LNA with dual-gate gain compression handling pulsed 1 W reader output leakage. Use Value: Achieves 1 dB compression point of +5 dBm (typ.) while maintaining NF < 2.2 dB - extends read range by ≥30% vs. single-gate alternatives. | Use Scenario: Compact handheld DMR (Digital Mobile Radio) transceiver requiring stable 900 MHz RX gain across temperature and supply variation. IC Role / Device Role / Timing Role: Temperature-compensated IF amplifier stage with fixed VG1 and regulated VG2 for consistent channel selectivity. Use Value: Maintains ±0.5 dB gain stability from –20°C to +70°C due to matched dual-gate threshold tracking, reducing calibration overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar UHF RF amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NE55171F | Single-gate GaAs FET, no integrated biasing; requires external RG1/RG2; higher NF (2.3 dB typ.) | Lacks analog AGC capability - needs external gain control IC or switched attenuator bank. | Choose when board space allows discrete biasing and system uses digital gain stepping instead of analog AGC. |
| QPL9057 | SiGe BiCMOS, 50–4000 MHz bandwidth, integrated shutdown pin; higher supply current (25 mA) | Wider frequency coverage but larger 2 mm × 2 mm QFN package and no native 900 MHz NF optimization. | Prefer for multi-band designs spanning LTE/5G FR1, but avoid if minimizing PCB area and optimizing for 900 MHz only. |
Compared with NE55171F and QPL9057, BB503CCS-TL-H uniquely combines on-die biasing, dual-gate AGC, and 1.8 dB NF at 900 MHz in a 1.8 mm × 1.15 mm footprint - making it optimal for cost- and size-sensitive UHF single-band receivers where analog gain control is required.
Availability
BB503CCS-TL-H is available at Aetrix Electronics and suitable for cellular handset front-ends, ISM band transceivers, and UHF RFID reader modules requiring stable component supply and RoHS-compliant packaging.
Supply support for BB503CCS-TL-H 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT applications.
BB503CCS-TL-H belongs to Renesas' BBFET family of integrated RF amplifiers, engineered specifically for UHF wireless infrastructure and portable communication devices demanding low-noise, low-cost, and compact front-end integration.
FAQ
What is the maximum operating frequency range validated for BB503CCS-TL-H?
The BB503CCS-TL-H is characterized and guaranteed for operation from 50 MHz to 1000 MHz, with full S-parameter data, gain, and noise figure specified at 50 MHz intervals up to 1 GHz in the official Renesas REJ03G0834-0500 datasheet. At 900 MHz, BB503CCS-TL-H achieves 22 dB typical power gain and 1.8 dB typical noise figure under standard test conditions (VDS = 5 V, VG1 = 5 V, VG2 = 4 V, RG = 47 kΩ).
Does BB503CCS-TL-H require external biasing components?
No, BB503CCS-TL-H integrates internal biasing circuitry for Gate1, eliminating the need for external gate resistors in most configurations. The datasheet application circuit uses only one external 47 kΩ resistor on Gate1 and another on Gate2 - significantly reducing component count versus discrete dual-gate FETs. This built-in biasing directly enables the BB503CCS-TL-H's compact footprint and simplified layout.
How does the dual-gate structure of BB503CCS-TL-H support AGC functionality?
The BB503CCS-TL-H uses Gate1 for fixed DC bias (setting ID ≈ 10 mA) and Gate2 as a dedicated analog gain control terminal. By varying VG2 from 0.3 V to 4 V, the BB503CCS-TL-H achieves up to 20 dB of continuous gain reduction while maintaining noise figure below 2.4 dB - enabling true voltage-controlled AGC without external active circuits or switching elements.
What package type and mounting compatibility does BB503CCS-TL-H use?
BB503CCS-TL-H uses the CMPAK-4 (SOT-343mod) package, also referenced as PTSP0004ZA-A by Renesas and SC-82A per JEITA. It is a 4-terminal, leadless, surface-mount package measuring 1.8 mm × 1.15 mm with 0.65 mm pitch. The BB503CCS-TL-H is compatible with standard reflow soldering profiles and automated pick-and-place equipment used for small-outline transistors.
Is BB503CCS-TL-H rated for automotive or safety-critical applications?
No, BB503CCS-TL-H is classified as a "Standard" quality grade device per Renesas documentation, intended for computers, communications equipment, audio/video gear, and home appliances. It is not qualified for automotive (AEC-Q200), medical life-support, or aerospace use. For BB503CCS-TL-H deployment, users must adhere to Renesas' stated limitations - including ambient temperature range (–55°C to +150°C storage, operation per derating curves) and maximum channel temperature (150°C).
BB503CCS-TL-H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Technology:
- -
- Configuration:
- -
- Frequency:
- -
- Gain:
- -
- Voltage - Test:
- -
- Current Rating (Amps):
- -
- Noise Figure:
- -
- Current - Test:
- -
- Power - Output:
- -
- Voltage - Rated:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
BB503CCS-TL-H FAQ
1.How can I place an order for BB503CCS-TL-H through Aetrix?
Please submit a Request for Quotation (RFQ) for BB503CCS-TL-H 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 BB503CCS-TL-H reliable?
The price and inventory of BB503CCS-TL-H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BB503CCS-TL-H is usually 5 days.
3.What payment methods are accepted for BB503CCS-TL-H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BB503CCS-TL-H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BB503CCS-TL-H?
BB503CCS-TL-H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BB503CCS-TL-H 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 BB503CCS-TL-H?
For technical support, including BB503CCS-TL-H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BB503CCS-TL-H requirements.
6.How does Aetrix verify that BB503CCS-TL-H is sourced from the original manufacturer or authorized distributors?
All BB503CCS-TL-H 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 BB503CCS-TL-H meets industry standards.
7.What is the process for return or replacement of BB503CCS-TL-H?
All BB503CCS-TL-H units undergo pre-shipment inspection (PSI). If there is an issue with BB503CCS-TL-H, 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 BB503CCS-TL-H part is unused and in its original packaging.
Return procedure for BB503CCS-TL-H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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