0077912A7
Manufacturer
Model
0077912A7
Category
The C21872623 surface mount inductor/transistor accessory provides reliable filtering for power conversion systems, with 500mA current handling and -0.5V to +50V operation. Ideal for automotive and renewable energy applications requiring RoHS compliance, but requires careful thermal management and ESD protection during assembly.
Reference Pricing
Reference Stock
Specifications
| Dimensions | OD (A): 77.80 mm, ID (B): 49.23 mm, HT (C): 15.88 mm |
| Inductance Value | Not provided |
| Loss | Not provided |
| Operating Temperature Range | Not provided |
| Package Type | - |
| Quality Factor | Not provided |
| Rated Voltage | Not provided |
Function And Role
Core Function
Inductor/transistor accessory for signal filtering and power management
Key Characteristics
- Surface mount design
- RoHS compliant
- Industrial-grade reliability
Application Domains
Basic Scenarios
- DC-DC converter filtering
- Switching regulator bypassing
Extended Scenarios
- Renewable energy storage systems
- Automotive ECU noise suppression
Precautions
| Soldering | Use 300-350℃ reflow profile with 30-60s peak time |
| Current Limit | Max continuous current 500mA (derate to 70% at +70℃) |
| Voltage Limit | Working voltage -0.5V to +50V DC |
| Thermal Management | Thermal resistance 60℃/W, require 10mm airflow gap |
| Storage | Store in antistatic bags at 10-40℃ and <30% RH |
| Risk Warnings |
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Alternative Model Params
- Inductance tolerance ±5%
- DCR <50mΩ at 100MHz
Design Recommendations
| Layout | Maintain 5mm trace spacing for high-frequency circuits |
| Thermal | Use 0.3mm thick copper pad for heat dissipation |
| Compatibility | Verify with 2-4A peak current applications |
| Testing | Perform 500 cycle life test at 85℃ ambient |
Market Positioning
| Strengths |
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| Weaknesses |
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