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HomeProductsRF/IF and RFIDRF MixersBF1118WR
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BF1118WR - NXP USA Inc.

Manufacturer Part Number
BF1118WR
Manufacturer
NXP Semiconductors
Allelco Part Number
32D-BF1118WR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
128,380 pcs available, New & Original
Parts Description
IC RF SWITCH SOT343N
Package
Bulk
Data sheet
-
RoHs Status
 
Compare
Our certification
In stock: 128380
  • Unit Price: $0.465
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.465 $0.47
200+ $0.18 $36.00
500+ $0.174 $87.00
1000+ $0.171 $171.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

BF1118WR Tech Specifications
NXP USA Inc. - BF1118WR technical specifications, attributes, parameters and parts with similar specifications to NXP USA Inc. - BF1118WR

Product Attribute Attribute Value
Manufacturer NXP Semiconductors
Series *
Product Attribute Attribute Value
Package Bulk

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status Not applicable
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status Vendor Undefined
ECCN EAR99
HTSUS 0000.00.0000

Frequently Asked Questions(FAQ)

What are the key performance trade-offs when selecting the BF1118WR RF switch for a high-isolation, low-loss application at 1GHz?
The BF1118WR offers an insertion loss of 1.5dB and isolation of 35dB at 1GHz, making it suitable for applications requiring moderate signal attenuation and decent port-to-port suppression. However, these values reflect a compromise inherent in general-purpose RF switches. While the isolation is sufficient for many consumer or industrial systems, it may not meet stringent requirements for high-performance communications infrastructure where isolation exceeds 40dB. Similarly, the 1.5dB insertion loss limits gain in sensitive front-end designs, necessitating careful consideration of amplifier placement and compensation. Designers should evaluate whether the BF1118WR’s performance aligns with system budget constraints before finalizing the selection.
How does the BF1118WR compare to alternative SOT-343 packaged RF switches in terms of thermal stability and power handling?
The BF1118WR operates over an extended temperature range up to 150°C, which surpasses the typical -40°C to +85°C range of many standard RF switches. This makes it more suitable for harsh environments or high-power scenarios where junction temperatures may rise significantly. In comparison, similar SOT-343 devices such as the SKY13377-385LF from Skyworks offer lower power handling and narrower temperature ranges, limiting their use in thermally challenging designs. The BF1118WR’s higher operating temperature suggests improved internal material reliability and better suitability for automotive or industrial applications where thermal cycling and elevated ambient conditions are common.
What design considerations are critical when integrating the BF1118WR into a 50Ω impedance-matched RF system?
The BF1118WR is designed for 50Ω systems, but achieving optimal performance requires attention to PCB layout and matching networks. At 1GHz, even minor discontinuities in trace width or via placement can degrade insertion loss and return loss beyond the specified 1.5dB and likely acceptable VSWR. Careful grounding under the CMPAK-4 package and minimizing parasitic inductance are essential. Additionally, since the device lacks explicit supply voltage specifications, designers must verify compatibility with control logic levels (typically 0V/3.3V or 0V/5V), ensuring switching thresholds align with system timing margins.
Can the BF1118WR be used in bidirectional communication paths without additional circulators or isolators?
Due to its fundamental SPDT-like topology and lack of intrinsic reverse isolation protection, the BF1118WR is not inherently bidirectional. Applying signals to the non-intended port without isolation could lead to damage or degraded performance, especially at higher power levels. While the 35dB forward isolation helps mitigate leakage, it may be insufficient for full-duplex systems where strong transmit signals must not disrupt receive chains. Therefore, external components like circulators or duplexers are typically required unless the application uses unidirectional signaling or incorporates robust input protection.
How does the BF1118WR’s moisture sensitivity level (MSL) of 1 influence storage and assembly practices?
With an MSL rating of 1, the BF1118WR is considered non-hygroscopic and stable under normal storage conditions. This means it does not require bake-out prior to reflow soldering and can be stored indefinitely in dry environments without risk of moisture-induced defects. Manufacturers can proceed directly to assembly after unpackaging, streamlining production workflows. However, this assumes proper handling to prevent contamination during packaging and handling. For mass production, maintaining cleanroom or controlled environments remains advisable to preserve long-term reliability.
What are the implications of the BF1118WR lacking explicit P1dB and IIP3 specifications?
The absence of published P1dB (output compression point) and IIP3 (third-order intercept point) values indicates the BF1118WR is optimized for low-power, linear switching rather than high-dynamic-range applications. Without quantified nonlinear performance metrics, engineers cannot accurately model intermodulation distortion or predict behavior under multi-tone or modulated signals. This limits its use in dense spectral environments such as LTE or Wi-Fi systems where adjacent channel interference is a concern. Designers relying on these parameters would need to conduct empirical testing or select alternative devices with verified linearity figures.
How does the BF1118WR’s SC-82A/SOT-343 footprint compare to other compact RF switch packages in terms of manufacturability?
The SC-82A (SOT-343) package used by the BF1118WR occupies less board area than larger alternatives like the DFN or QFN variants, supporting miniaturized designs. However, its small size presents challenges in automated optical inspection (AOI) and manual rework due to tight pad spacing and minimal solder joint visibility. Compared to flip-chip packages, wire-bonded designs like this one offer better mechanical resilience but may exhibit slightly higher parasitics. Manufacturers must balance density goals against process capability; otherwise, yield losses may offset space savings.
Is the BF1118WR suitable for automotive-grade RF front ends given its RoHS status?
The BF1118WR is marked as RoHS non-compliant, which raises concerns about restricted substance usage, particularly lead-free solder compatibility and halogen content. While this does not necessarily preclude use in automotive applications—especially legacy platforms—modern automotive suppliers increasingly mandate full RoHS compliance due to global regulatory trends. Furthermore, NXP’s automotive-qualified RF switches often carry AEC-Q100 certification alongside updated environmental profiles. Unless explicitly qualified for automotive use, the BF1118WR may face qualification hurdles in new vehicle programs, despite its robust operating temperature specification.
What are the risks associated with using the BF1118WR in wideband applications beyond its specified 1GHz test frequency?
Performance data for the BF1118WR is provided only at 1GHz, meaning behavior outside this band—such as in UWB, GPS (1.575GHz), or 5G NR sub-6GHz bands—is undefined. Insertion loss and isolation may vary significantly due to changes in parasitic capacitance and inductive effects across frequency. Without characterization curves or S-parameter models, predictive modeling becomes unreliable. Engineers considering broadband use must either obtain full-band measurements or opt for devices with documented performance across the target spectrum, avoiding potential degradation or instability in real-world deployment.

Parts with Similar Specifications

The three parts on the right have similar specifications to NXP USA Inc. BF1118WR

Product Attribute BF1118WR BF120-12-A-0-N-D BF1118R,215 BF1125-5
Part Number BF1118WR BF120-12-A-0-N-D BF1118R,215 BF1125-5
Manufacturer NXP USA Inc. GCT NXP USA Inc. API Delevan Inc.
Series * BF120 - BF
Package Bulk Tube Tape & Reel (TR) Bulk

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
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BF1118WR Image

BF1118WR

NXP USA Inc.
32D-BF1118WR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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