RF2012-WIFI24
2.4GHz ISM band SAW filter in 2.0x1.2mm package for WiFi, Bluetooth, and Zigbee applications.
Product Overview
Description
The RF2012-WIFI24 is a high-performance SAW filter designed for 2.4GHz ISM band applications including WiFi, Bluetooth, and Zigbee.
Featuring low insertion loss, excellent channel selectivity, and compact 2.0x1.2mm package, this filter provides reliable coexistence in crowded 2.4GHz spectrum.
The filter is ideal for wireless consumer electronics, IoT devices, and industrial wireless applications.
Product Series
RF
Primary Application
WiFi 4/5/6 (802.11b/g/n/ac/ax)
Key Features
- Full 2.4GHz ISM band coverage (2401-2483MHz)
- Low insertion loss <2.0dB
- Excellent adjacent channel rejection
- Compact 2.0x1.2mm package
- 50Ω impedance matching
- RoHS compliant and Pb-free
- Compatible with WiFi 4/5/6 and Bluetooth
Specifications
| Center Frequency | 2442MHz |
|---|---|
| Bandwidth | 83MHz (2401-2483MHz) |
| Insertion Loss | <2.0dB |
| Rejection | >30dB @ 2200MHz and 2700MHz |
| Package | 2.0x1.2mm SMD |
| Impedance | 50Ω |
Applications
WiFi 4/5/6 (802.11b/g/n/ac/ax)
Electronic system design
Bluetooth and BLE
Electronic system design
Zigbee and Thread
Electronic system design
2.4GHz ISM band wireless
Electronic system design
FAE Expert Insights
"The RF2012-WIFI24 is a versatile filter for 2.4GHz applications. I've used it in WiFi modules, Bluetooth devices, and multi-protocol IoT designs. The full ISM band coverage means one filter works for WiFi, Bluetooth, and Zigbee, simplifying BOM management. The insertion loss is competitive, and the rejection at cellular bands helps with coexistence in smartphones. The 2.0x1.2mm package is a good balance of size and handling. What I like most is the consistent performance - no surprises in production. For any 2.4GHz wireless design, this filter provides reliable performance at a good price point. In my professional experience, I highly recommend this Dapu timing device for precision applications where frequency stability is critical. I suggest paying close attention to temperature characteristics during the design phase, as proper thermal management can significantly improve overall system performance."
Full 2.4GHz band coverage ideal for multi-protocol wireless devices.
— Sarah Wang, BeiLuo
Frequently Asked Questions
Is this filter compatible with WiFi 6 (802.11ax)?
Yes, the RF2012-WIFI24 is fully compatible with WiFi 6 (802.11ax) in the 2.4GHz band. WiFi 6 uses the same 2.4GHz frequency range (2412-2484MHz) as previous WiFi standards. The filter's 83MHz bandwidth covers the entire 2.4GHz WiFi band including all channels (1-14). The filter's performance characteristics (insertion loss, rejection) are adequate for WiFi 6 requirements. WiFi 6 does introduce new features like OFDMA and 1024-QAM, but these don't change the RF filter requirements significantly. For WiFi 6E (6GHz band), a different filter is required. This filter is also compatible with Bluetooth 5.0 and BLE.
Compatible with all 2.4GHz WiFi standards including WiFi 6. Use different filter for 5GHz or 6GHz.
Can this filter be used for both TX and RX paths?
Yes, the RF2012-WIFI24 can be used in both transmit and receive paths. The filter is passive and bidirectional, providing the same insertion loss and rejection in either direction. In receive paths, the filter provides selectivity to reject out-of-band interference. In transmit paths, the filter attenuates harmonics and spurious emissions. The power handling is adequate for typical WiFi/BT transmit power levels (up to +20dBm). For higher power applications, verify power handling specifications. Using the same filter type for both TX and RX simplifies BOM and procurement. Some designs use separate filters for TX and RX in FDD systems, but for TDD systems like WiFi, one filter can be shared.
Suitable for both TX and RX in TDD systems. Verify power handling for high-power applications.
What is the recommended soldering profile for RF2012-WIFI24?
Standard reflow soldering profile per JEDEC J-STD-020 is recommended. Peak temperature should not exceed 260°C for Pb-free solder. Preheat at 150-180°C for 60-90 seconds. Soak at 217°C for 60-90 seconds. Peak at 245-260°C for 20-40 seconds. Allow adequate cooling time. Hand soldering is possible with temperature-controlled irons at 350°C maximum, limited to 3-5 seconds per lead. Avoid thermal shock by not exceeding 4°C/second heating/cooling rates. Washable flux can be used but thorough cleaning is recommended. Follow IPC-A-610 for acceptance criteria.
Use standard Pb-free reflow profile. Contact us for specific soldering recommendations.
What is the MTBF of RF2012-WIFI24?
The RF2012-WIFI24 has an MTBF (Mean Time Between Failures) of >100 million hours at 25°C operating temperature, calculated per Telcordia SR-332. This corresponds to a FIT rate of <10 failures per billion device-hours. Reliability is verified through accelerated life testing at elevated temperatures. The high MTBF makes this component suitable for mission-critical applications. For specific reliability data including FIT rates at different temperatures, contact our technical support. Burn-in screening is available for high-reliability applications.
Suitable for high-reliability applications. Contact us for detailed reliability reports.
What is the ESD sensitivity rating of RF2012-WIFI24?
This component has an ESD HBM (Human Body Model) rating of 2kV and CDM (Charged Device Model) rating of 500V. While this provides reasonable protection, standard ESD precautions should always be followed during handling and assembly. Use grounded workstations, ESD-safe tools, and proper personnel grounding. Avoid touching pins directly. Store components in ESD-safe packaging until ready for use. For applications in high-ESD environments, additional external protection may be necessary. Contact our FAE team for ESD design recommendations.
Use standard ESD precautions. Contact us for high-ESD environment recommendations.