Product parameters
|
PARAMETER |
Specifications |
Unit |
|
|
Frequency Range |
fc |
100~1000MHz |
MHz |
|
Standard Frequency |
fc |
315,433.92,480,500,866.5 |
MHz |
|
Band Width |
2,3,5,10,20,40,or specify |
MHz |
|
|
Insertion Loss ( min) |
IL |
1.5,1.8,2.0,3.0,6.5 or specify |
dB |
|
Operating Temperature Range |
−40~+85 |
℃ |
|
|
Storage Temperature Range |
−55~+125 |
℃ |
|
Product Features
■ Small size 3.8x3.8x1.3mm
■ Welding can be done with automatic mounting
■ Low-loss SAW component
■ Low amplitude ripple
■ Sharp rejections at both out-bands
Applications
- The SF44M6 SAW filter is housed in a compact 3.8×3.8mm SMD ceramic seam-seal package. It is designed for space-constrained and stability-critical applications such as 5G base station RF front-ends and satellite navigation receivers.
Product advantages
Miniaturized design
The tiny size of 3.8×3.8 mm conforms to the development trend of electronic devices towards (thinner and lighter) and high-density integration. It can effectively save PCB space, making it particularly suitable for volume-sensitive scenarios (such as 5G base station RF modules and small satellite navigation devices).
Convenience of surface mounting
The SMD package supports automated mounting processes, and can be mass-produced together with other surface-mounted components through processes like reflow soldering.
certificate
The SF44M6 surface acoustic wave (SAW) filter is RoHS/REACH compliant, lead-free, and halogen-free.
FAQ
Q1: What role does the ceramic material package play in the performance stability of Suzhou Hangjing's SF44M6?
A: Ceramic has excellent high temperature resistance, humidity resistance and corrosion resistance. It can maintain stable physical properties within a wide temperature range such as -40℃ to +85℃, avoiding frequency drift or increased insertion loss of the filter caused by drastic changes in ambient temperature, and ensuring stable operation in complex environments such as outdoor base stations and industrial equipment.
Q2: How does this packaging form optimize the electrical performance of the SF44M6?
A: The dielectric constant of ceramic is stable and the loss is low. Combined with the compact SMD structure, it can reduce the impact of parasitic parameters such as lead inductance and distributed capacitance on high-frequency signals, ensuring the frequency selectivity and signal integrity of the filter in high-frequency scenarios such as 5G. At the same time, the high thermal conductivity of ceramic helps heat dissipation, preventing performance degradation caused by overheating of the chip.
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