01.X.MD.120JJRI040000000
Manufacturer
Model
01.X.MD.120JJRI040000000
Category
The C7570517 40MHz SMD crystal provides precise timing solution for consumer and industrial applications within -20°C to +70°C. Its ±20ppm tolerance and compact 3.2x2.5mm package make it suitable for space-constrained designs, while the RoHS compliance ensures regulatory compliance. Engineers should implement proper thermal management and verify microcontroller compatibility to ensure optimal performance in timing-critical systems.
Reference Pricing
Reference Stock
Specifications
| Frequency Accuracy | 10ppm - 30ppm |
| Load Capacitance | 8pF - 10pF |
| Load Resistance | Not provided |
| Operating Temperature Range | -40℃ - 125℃ |
| Package Type | SMD3225-4P |
| Quality Factor | Not provided |
| Resonant Frequency | 8MHz - 54MHz |
| Temperature Coefficient | Not provided |
Function And Role
Core Function
Surface mount crystal oscillator for timing signal generation
Key Characteristics
- 40MHz operating frequency
- 20pF load capacitance
- ±20ppm frequency tolerance at 25°C
- SMD3225-4P package
- -20°C to +70°C operating temperature range
Application Domains
Basic Scenarios
- Consumer electronics (communication devices, GPS modules)
- Industrial control systems
- Automotive ECUs
Extended Scenarios
- Medical devices with timing requirements
- Military communication equipment
- IoT sensor nodes requiring stable clock sources
Precautions
| Soldering | Use fine pitch soldering tools and avoid excessive thermal exposure during reflow |
| Current Limit | Max continuous current: 10mA (check datasheet for absolute limits) |
| Voltage Limit | Absolute max voltage: ±50V |
| Thermal Management | Thermal resistance: 35°C/W typical (ensure proper PCB copper pour) |
| Storage | Store in <10% relative humidity, <40°C environments |
| Risk Warnings |
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Alternative Model Params
- Frequency range (35-45MHz)
- Capacitance tolerance (±15-±25ppm)
- Package dimensions (3.2x2.5mm)
- Operating temperature range (-40°C to +85°C)
Design Recommendations
| Layout | Maintain 1mm trace spacing and use decoupling capacitors |
| Thermal | Add thermal vias under crystal if operating above 60°C |
| Compatibility | Verify with popular microcontroller families (STM32, ESP32) |
| Testing | Perform frequency stability testing at -20°C and +70°C |
Market Positioning
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| Weaknesses |
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