CR1220-2
Manufacturer
Model
CR1220-2
Category
The Q&J CR1220-2 is a compact SMD battery connector optimized for CR1220 coin cells, offering reliable power delivery in low-power devices while meeting ROHS requirements. Its surface-mount design enables space-efficient integration in wearable tech and portable electronics, with robust thermal management features. Engineers should prioritize proper SMD soldering techniques and verify mechanical compatibility with CR1220 batteries during layout design.
Reference Pricing
Reference Stock
Specifications
| Connection Type | Not provided |
| Contact Pressure | Not provided |
| Contact Resistance | 30mΩ MAX |
| Dimensions | Not provided |
| Dust and Water Resistance Rating | Not provided |
| Insulation Strength | 100 MΩ MIN |
| Material | Phosphor Bronze, PPS |
| Operating Temperature Range | Not provided |
| Rated Current | Not provided |
| Rated Voltage | Not provided |
| Vibration and Shock Resistance | Not provided |
| Weight | 0.6g |
Function And Role
Core Function
Battery holder for CR1220 coin cell, providing secure electrical connection
Key Characteristics
- SMD packaging
- ROHS compliant
- CR1220-specific design
Application Domains
Basic Scenarios
- Low-power electronic devices
- Portable consumer electronics
Extended Scenarios
- Wearable devices
- Medical devices
- IoT sensors
- Sports equipment
Precautions
| Soldering | Use fine-pitch SMD soldering equipment to prevent pad lifting |
| Current Limit | Max current <50mA as per CR1220 specification |
| Voltage Limit | Operating voltage 2.8-3.6V |
| Thermal Management | Avoid soldering time >30 seconds per pad |
| Storage | Store in <10% relative humidity environment |
| Risk Warnings |
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Alternative Model Params
- Connector type: Battery holder
- Battery compatibility: CR1220 equivalent
- Package type: SMD packaging
- Compliance certifications: ROHS
Design Recommendations
| Layout | Ensure 1.5mm minimum clearances for SMD reflow |
| Thermal | Use thermal vias for heat dissipation |
| Compatibility | Verify mechanical fit with CR1220 battery |
| Testing | Test solder joints with X-ray inspection |
Market Positioning
| Strengths |
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| Weaknesses |
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