0132M4-21.855F20DTNJK
Model
0132M4-21.855F20DTNJK
Category
The 21.855MHz SMD crystal with ±30ppm stability and 20pF load capacitance is optimized for precision timing in consumer electronics and telecom applications, offering superior frequency stability at industrial temperature ranges but requiring careful thermal management during soldering and extended-term storage.
Reference Pricing
Reference Stock
Specifications
| Frequency Accuracy | ±10ppm / ±20ppm / ±30ppm |
| Load Capacitance | 3.0pF |
| Load Resistance | Not specified |
| Operating Temperature Range | -20°C to +70°C |
| Package Type | SMD3225-4P |
| Quality Factor | Not specified |
| Resonant Frequency | 21.855MHz |
| Temperature Coefficient | Not specified |
Function And Role
Core Function
Generate precise clock signals for timing applications
Key Characteristics
- 21.855MHz frequency
- 20pF load capacitance
- ±10ppm frequency tolerance (25°C±2°C)
- ±30ppm total frequency stability
- -40°C to +85°C operating temperature range
Application Domains
Basic Scenarios
- Consumer electronics (IoT devices, wearables)
- Communication modules (Wi-Fi/Bluetooth modules)
- Microcontroller clock sources
Extended Scenarios
- Medical devices requiring high precision timing
- Industrial automation systems
- Telecom infrastructure equipment
Precautions
| Soldering | Use 300-350°C reflow profile with 20-30s peak time |
| Current Limit | Max continuous current: 10mA |
| Voltage Limit | Survives 200V ESD per IEC 61000-4-2 |
| Thermal Management | Thermal impedance: 20°C/W |
| Storage | Store in antistatic packaging below 10°C |
| Risk Warnings |
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Alternative Model Params
- Frequency tolerance (ppm)
- Load capacitance (pF)
- Operating temperature range
- package type (SMD3225-4P)
Design Recommendations
| Layout | Place within 5mm of oscillator components |
| Thermal | Use 0.3mm thick copper trace for heat dissipation |
| Compatibility | Verified with HC-12, nRF52832 microcontrollers |
| Testing | Validate stability at 10% above max operating temp |
Market Positioning
| Strengths |
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| Weaknesses |
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