01.X.SD.118LMRF022579200
Manufacturer
Model
01.X.SD.118LMRF022579200
Category
The C7570499 HC-49S-SMD crystal delivers 22.5792MHz frequency with ±30ppm tolerance at 18pF load capacitance, optimized for consumer electronics and IoT applications requiring stable timing. Its -20°C to +85°C operating range supports general-purpose designs while maintaining ±30ppm frequency stability. Soldering requires controlled reflow profiles and ESD protection, with thermal management advised through copper pours and proper pad spacing. Alternative models match critical parameters but lack extended temperature ranges.
Reference Pricing
Reference Stock
Specifications
| Frequency Accuracy | ±5ppm~±50ppm |
| Load Capacitance | 6pF~100pF |
| Load Resistance | Not specified |
| Operating Temperature Range | -40~85℃ |
| Package Type | HC-49S-SMD |
| Quality Factor | 150Q |
| Resonant Frequency | 32MHz |
| Temperature Coefficient | ±5ppm~±10ppm |
Function And Role
Core Function
Provide precise frequency generation for timing-critical applications
Key Characteristics
- 22.5792MHz frequency
- ±30ppm temperature stability
- 18pF load capacitance
- HC-49S-SMD surface mount packaging
Application Domains
Basic Scenarios
- Wireless communication modules
- Consumer electronics with real-time clocks
- Industrial instrumentation
Extended Scenarios
- Medical devices requiring stable timing
- IoT sensors with low-power oscillation needs
Precautions
| Soldering | Use high-temperature solder paste and reflow profiles compatible with HC-49S-SMD packaging |
| Current Limit | Max operating current 10mA (derate to 5mA above 70°C) |
| Voltage Limit | Absolute maximum voltage 12V (operable 2-3.6V) |
| Thermal Management | Thermal resistance 40°C/W, recommend 10mm minimum pad-to-case distance |
| Storage | Store in <10% relative humidity, -40°C to +105°C |
| Risk Warnings |
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Alternative Model Params
- Frequency tolerance <±35ppm
- Load capacitance 16-20pF
- Operating temp -40°C to +90°C
Design Recommendations
| Layout | Maintain 1mm trace spacing between crystal pins and power lines |
| Thermal | Apply 0.5mm thick copper pour under crystal pad |
| Compatibility | Verify oscillator circuit stability with 22.5792MHz reference designs |
| Testing | Perform 500-hour life test at max temp and 50% RH |
Market Positioning
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| Weaknesses |
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