ULN2003A Relay Driver: Drop, Flyback, and Thermal Budget
Seven Darlington pairs share one thermal budget. Saturation voltage, coil voltage, the COM pin, and how many channels can run at once.
Read articleCYW20704UA2KFFB1G - Infineon Technologies USB/CAN IC, FCBGA
Regular price
202.00 ฿
After you place an order, our sales team will send written confirmation of the final price, shipping charges, and estimated delivery lead time. Import duties, taxes, brokerage fees, and other destination charges are the customer's responsibility. When needed, we can assist with available product information and customs documents for import declaration; final customs clearance and payment remain the customer's responsibility.
Couldn't load pickup availability
Customer Service Team
Questions about pricing, stock or sourcing? Our team is happy to help.
Typically replies within 1 business hour
Order & shipping notice
- Prices include applicable taxes; import duties and customs clearance are not included.
- Prefer your own carrier? Choose to use your DHL / FedEx / UPS account at checkout.
- Genuine & original parts, 12-month warranty, DOA replacement.
- Volume pricing available for 1,000+ pcs — ask us for a quote.
Quality Certifications
CYW20704UA2KFFB1G
9dBm Bluetooth 38mA 4DQPSK, 8DPSK, GFSK 3Mbps I²C, I²S, SPI, UART, USB 96dBm FCBGA surface mount
Available Stock: 243FCBGAActive
ManufacturerInfineon Technologies
PackageFCBGA
Stock243
Standard Pack-
Pricing & Ordering
Unit Price$5.8834
Basic Information
| Manufacturer | Infineon Technologies |
|---|---|
| Manufacturer Part Number | CYW20704UA2KFFB1G |
| IC Category | RF Integrated Circuits |
| Package | FCBGA |
| Lifecycle Status | Active |
Technical Attributes
| Programmable | Not Verified |
|---|---|
| Type | TxRx + MCU |
| RF Family/Standard | Bluetooth |
| Protocol | Bluetooth v4.1 +EDR |
| Modulation | 4DQPSK, 8DPSK, GFSK |
| Frequency | 2.4GHz |
| Data Rate (Max) | 3Mbps |
| Power - Output | 9dBm |
| Sensitivity | -96dBm |
| Memory Size | - |
| Serial Interfaces | I2C, I2S, SPI, UART, USB |
| GPIO | 8 |
| Voltage - Supply | 3.3V |
| Current - Receiving | 38mA |
| Current - Transmitting | 38mA |
| Operating Temperature | -30 degC ~ 85 degC |
| Mounting Type | Surface Mount |
| Package / Case | 49-VFBGA, FCBGA |
| Supplier Device Package | 49-FCBGA (4.5x4) |
Inventory and pricing are updated regularly. Technical data is provided for engineering reference.
Datasheet
Download PDFMANUFACTURER ACCESS
Manufacturers We Source
Browse frequently requested semiconductor and electronic component manufacturers, then search the catalog or submit an RFQ for the exact part you need.
From the desk
Recent Articles
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
W25Q32 SPI Layout: Decoupling, Trace Length, Read Failures
Why a W25Q32 works at 1 MHz and fails at 50: capacitor distance, 40 mm of SCK at 1 ns edges, and the floating /HOLD pin...
Read article
USBLC6 ESD Layout: Clamp Path, Ground Stitching, Stubs
A TVS clamps at 31 V, but 10 mm of trace adds 240 V. Placement and return path, not the part number, decide whether the IC...
Read article
2N7002 Gate Drive at 3.3 V: Threshold Spread and RDS(on)
The 2N7002 is called logic-level, but at 3.3 V it is a 20 mA switch: threshold spread eats the margin and RDS(on) roughly doubles. Here is...
Read article
CH340 USB-UART Guide: Pinout, Clocks and Logic Levels
Compare CH340G and CH340C, wire V3 correctly, check UART voltage compatibility and separate USB enumeration faults from serial framing problems.
Read article
TVS and ESD Diode Selection: Standoff, Clamp, Speed
How to pick a TVS or ESD diode: match standoff to the rail, clamp to the pin absolute maximum, and capacitance to the interface speed.
Read article
SN74HC74 Guide: Pinout, Truth Table and Alternatives
Check SN74HC74 pinout, asynchronous preset and clear, guaranteed clock timing and HC/HCT input levels before qualifying a substitute or changing the footprint.
Read article
MAX485 RS-485 Guide: Pinout, Termination and Biasing
A practical MAX485 selection guide covering SOIC/DIP pinout, MCU logic levels, common-mode limits, termination, idle-bus biasing and half-duplex direction control.
Read article