Product parameters
|
Frequency Range |
fc |
154~1000MHz |
MHZ |
|||
|
Standard Frequency |
315,330, 370,433.92,868,915 |
MHZ |
||||
|
Frequency Tolerance(at 25°C) |
△fc |
±50,±75,±150 or specify |
KHZ |
|||
|
Insertion Loss (in 50Ωsystem, min) |
IL |
1.0,1.3,1.4, 1.5or specify |
dB |
|||
|
Temperature stability |
Turnover Temperature |
|
25 |
40 |
55 |
°C |
|
Turnover Frequency |
fo |
fc |
||||
|
Frequency Temperature coefficient |
FTC |
0.032 |
ppm/°C |
|||
|
Frequency Aging |
Absolute value during the First year |
IfAl |
≤10 |
ppm/yr |
||
|
DC Insulation Resistance between Any Two pins |
1.0 |
MΩ |
||||
|
Operating Temperature Range |
-40~+85 |
°C |
||||
|
Storage Temperature Range |
-55~+125 |
°C |
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Product Features
■ Small size 5.0x 5.0x1.5mm
■ The optional frequency can be customized
■ High transmit and receive sensitivity
■ High temperature resistance and impact resistance
■ Good power and reliability
Applications
- The WiFi SAW Resonant 5.5 x 5.5 x 1.5-SR55M8 series is widely used in Wi Fi 6/6E/7 routers, Mesh network systems, wireless access points (APs), various IoT modules, sensor nodes, industrial IoT gateways, and other scenarios.
Product advantages
Excellent frequency selectivity
Provides extremely high out of band suppression capability, which can accurately filter interference and noise outside the WiFi frequency band like a "traffic police", significantly improving signal purity and reception sensitivity, with performance far exceeding traditional LC filtering circuits.
Compact size and high reliability:
Adopting standardized packaging, compact size, greatly saving PCB space; Based on mature semiconductor manufacturing processes, it has excellent consistency and long-term reliability, making it very suitable for large-scale automated production.
certificate
The WiFi Surface Acoustic Wave Resonant 5.5 x 5.5 x 1.5-SR55M8 Series is compliant with RoHS Certification.
FAQ
Q1: How to Test a Surface Acoustic Wave (SAW) Resonator?
A: 1) Measure Frequency Response: Use a network analyzer to check center frequency (Fc), bandwidth (BW), and insertion loss (IL).
2) Verify Out-of-Band Rejection: Apply signals outside the passband to confirm suppression of unwanted frequencies.
3) Check for Shorts/Opens: Use a multimeter to test between pins for short circuits; an open circuit indicates a damaged device.
Q2: What are the standard frequency points for Suzhou Hangjing's WiFi Surface Acoustic Wave Resonant 5.5 x 5.5 x 1.5-SR55M8 Series?
A: 315,330, 370,433.92,868,915Mhz.
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