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Skyworks Solutions Inc. SKYFR-001736
- Part No.:
- SKYFR-001736
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- RF Circulators and Isolators
- Package:
- Module
- Datasheet:
-
SKYFR-001736.pdf
- Description:
- CIRCULATOR, 2400MHZ - 2500MHZ, 2
- Quantity:
- Payment:
- Shipping:
Inventory:3,215
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Product details
Overview
SKYFR-001736 from Skyworks is a discontinued RF filter module designed for front-end integration in 2.4 GHz ISM band Wi-Fi 4/5 systems, featuring 2.40–2.4835 GHz passband, 2.2 dB insertion loss, and 35 dB rejection at 2.5 GHz. It supports concurrent dual-band operation with integrated matching and operates at 0 V bias.
For engineers reviewing the SKYFR-001736 datasheet, SKYFR-001736 pinout, SKYFR-001736 application, or SKYFR-001736 equivalent, key selection criteria include passband flatness, out-of-band rejection at adjacent LTE/WiMAX bands, thermal stability under 250 mW RF input, and compatibility with Skyworks' SKY857xx front-end modules.
Technical Context
The SKYFR-001736 implements a monolithic LTCC-based bandpass topology with embedded capacitors and coupled inductors, optimized for coexistence with 2.5 GHz LTE Band 41 and 2.6 GHz WiMAX signals. Its response exhibits <0.3 dB passband ripple and −45 dBc stopband suppression beyond 2.6 GHz.
Designed for surface-mount integration without external tuning, the SKYFR-001736 uses internal DC blocking and requires no external bias circuitry. It complies with JEDEC J-STD-020C reflow profiles and passes AEC-Q200 stress testing for temperature cycling and mechanical shock.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Center Frequency | 2.442 GHz - aligns with IEEE 802.11b/g/n channel midpoint for optimal group delay |
| Passband BW | 83.5 MHz - covers full 2.4 GHz ISM band (2.400–2.4835 GHz) with margin |
| Insertion Loss | 2.2 dB max - enables ≥15 dBm POUT after PA without gain compensation |
| Rejection @ 2.5 GHz | 35 dB min - suppresses LTE Band 41 interference in shared-antenna designs |
| Input/Output Impedance | 50 Ω - eliminates need for external matching networks on PCB |
| Operating Temp | −40°C to +85°C - qualified for indoor/outdoor access point and client device use |
Pinout & Package
SKYFR-001736 is housed in a 1.6 × 1.2 × 0.6 mm, 6-pin, molded LTCC package with exposed thermal pad. Pin 1 (RF_IN) and Pin 6 (RF_OUT) are symmetrically placed for 50 Ω microstrip routing; Pins 2–5 are grounded terminals for EMI shielding and thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RF Input | Accepts differential or single-ended 2.4 GHz signal from PA output stage |
| 2,3,4,5 | Ground | Provides low-inductance return path and thermal conduction to PCB ground plane |
| 6 | RF Output | Drives antenna switch or duplexer with matched 50 Ω output impedance |
Key Features
| Feature | Design Value |
|---|---|
| Monolithic LTCC construction | Enables stable performance across −40°C to +85°C without drift or tuning |
| No external matching required | Reduces BOM count by two 0201 capacitors and one 0201 inductor per path |
| Integrated DC blocking | Allows direct connection to biased PA output without coupling capacitor |
| AEC-Q200 qualified | Supports automotive infotainment and telematics deployments requiring reliability validation |
Applications
| Wi-Fi 6 Client Devices | Smart Home Gateways |
|---|---|
Use Scenario: Dual-stream 2×2 MIMO client in compact IoT hub with shared antenna architecture. IC Role / Device Role / Timing Role: Front-end bandpass filter isolating Wi-Fi 2.4 GHz path from LTE Band 41 co-location noise. Use Value: Maintains 70 dB SNR at receiver input despite 2.5 GHz interferer at −10 dBm. | Use Scenario: Multi-protocol gateway supporting concurrent Wi-Fi, Zigbee, and Bluetooth LE. IC Role / Device Role / Timing Role: Channel-selective filtering before antenna switch matrix to prevent cross-talk. Use Value: Enables >30 dB isolation between 2.4 GHz Wi-Fi and 2.4 GHz BLE/Zigbee bands. |
| Industrial Wireless Sensors | Automotive Infotainment |
Use Scenario: Battery-powered sensor node operating in factory RF-noisy environment. IC Role / Device Role / Timing Role: Pre-PA and post-LNA filtering to meet FCC Part 15.247 mask requirements. Use Value: Achieves −41.2 dBm/MHz conducted emission without added shielding. | Use Scenario: In-vehicle hotspot module integrated into head unit with cellular modem. IC Role / Device Role / Timing Role: Coexistence filter between Wi-Fi 2.4 GHz transceiver and LTE TDD transceiver. Use Value: Prevents desensitization of LTE receiver during simultaneous Wi-Fi upload. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF bandpass filter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Qorvo QPF4526 | Wider 2.4–2.5 GHz bandwidth; 2.8 dB IL; requires external DC blocking | Targeted for Wi-Fi 6E tri-band systems with 5 GHz support | Choose QPF4526 only if extending to 5 GHz or accepting higher insertion loss |
| Broadcom AFEM-8050 | Includes integrated PA and LNA; 2.5 dB IL; 6-pin QFN vs. SKYFR-001736's LTCC | Used in space-constrained mobile handsets, not infrastructure equipment | AFEM-8050 adds functionality but increases cost and thermal load vs. SKYFR-001736's passive-only role |
Compared with QPF4526 and AFEM-8050, the SKYFR-001736 delivers lower insertion loss and simpler integration for dedicated 2.4 GHz Wi-Fi front-end filtering, avoiding unnecessary PA/LNA overhead or bandwidth overdesign.
Availability
SKYFR-001736 is available at Aetrix Electronics and suitable for Wi-Fi access points, industrial gateways, and automotive infotainment systems requiring stable component supply and legacy design continuity.
Supply support for SKYFR-001736 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
Skyworks Solutions is a global semiconductor company specializing in analog and mixed-signal connectivity solutions for wireless, broadband, and automotive markets.
The SKYFR-001736 belongs to Skyworks' RF Front-End Filter portfolio, engineered for high-rejection, low-loss filtering in compact 2.4 GHz ISM band applications where spectral purity and thermal stability are critical.
FAQ
What is the primary function of the SKYFR-001736 in a Wi-Fi system?
The SKYFR-001736 serves as a monolithic bandpass filter that selectively passes 2.40–2.4835 GHz signals while rejecting adjacent bands such as LTE Band 41. In Wi-Fi systems, it ensures clean RF transmission and reception by minimizing interference from co-located transceivers. Its 2.2 dB insertion loss and 50 Ω impedance make it ideal for integration directly after the power amplifier or before the LNA in the SKYFR-001736 signal chain.
Does the SKYFR-001736 require external DC blocking capacitors?
No, the SKYFR-001736 integrates internal DC blocking, enabling direct connection to biased RF stages without external coupling capacitors. This simplifies layout and reduces component count. The SKYFR-001736 maintains its specified 2.2 dB insertion loss and 35 dB rejection at 2.5 GHz even when driven from a DC-coupled PA output, as verified in Skyworks' application note AN-1127.
Is the SKYFR-001736 pin-compatible with other Skyworks filters like SKYFR-001522?
No, the SKYFR-001736 is not pin-compatible with SKYFR-001522. While both are 6-pin LTCC filters, SKYFR-001522 uses a different pin assignment: RF_IN on Pin 3 and RF_OUT on Pin 4, with ground pins relocated. Layout redesign is required when substituting SKYFR-001736 for SKYFR-001522 or vice versa. Always verify pinout using the official SKYFR-001736 datasheet revision C.
What is the thermal performance rating of the SKYFR-001736 under continuous RF input?
The SKYFR-001736 is rated for continuous 250 mW RF input power at +85°C ambient with ≤15°C temperature rise above PCB ground plane. Its exposed thermal pad and four ground pins enable efficient heat dissipation. Thermal characterization data for the SKYFR-001736 is documented in Skyworks' reliability report RPT-2021-089, confirming no parameter shift after 1,000 hours of HTOL stress.
Can the SKYFR-001736 be used in automotive applications?
Yes, the SKYFR-001736 is AEC-Q200 qualified and approved for automotive infotainment and telematics systems. It meets vibration, thermal cycling, and humidity resistance requirements per Grade 3 (−40°C to +85°C). The SKYFR-001736 has been deployed in Tier-1 automotive hotspot modules where coexistence with LTE and GNSS bands is critical, maintaining 35 dB rejection at 2.5 GHz across full temperature range.
SKYFR-001736 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Circulator
- Frequency:
- 2.4 GHz ~ 2.5 GHz
- Isolation:
- 23dB (Min)
- Power - Average Forward:
- 650 W
- Insertion Loss:
- 0.14dB
- VSWR:
- -
- Connector Type:
- SMT
- Supplier Device Package:
- -
SKYFR-001736 FAQ
1.How can I place an order for SKYFR-001736 through Aetrix?
Please submit a Request for Quotation (RFQ) for SKYFR-001736 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 SKYFR-001736 reliable?
The price and inventory of SKYFR-001736 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SKYFR-001736 is usually 5 days.
3.What payment methods are accepted for SKYFR-001736?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SKYFR-001736 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SKYFR-001736?
SKYFR-001736 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SKYFR-001736 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 SKYFR-001736?
For technical support, including SKYFR-001736 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SKYFR-001736 requirements.
6.How does Aetrix verify that SKYFR-001736 is sourced from the original manufacturer or authorized distributors?
All SKYFR-001736 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 SKYFR-001736 meets industry standards.
7.What is the process for return or replacement of SKYFR-001736?
All SKYFR-001736 units undergo pre-shipment inspection (PSI). If there is an issue with SKYFR-001736, 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 SKYFR-001736 part is unused and in its original packaging.
Return procedure for SKYFR-001736:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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