Adjustable Molded Variable Inductors Coil Adjustable Frequency 30MHz/200MHz MD0505 5*5-3.5T
The MD0505 5×5-3.5T Adjustable Molded Variable Inductor is a compact RF tuning coil designed for high-frequency applications operating between 30MHz and 200MHz. It features a molded 5×5mm housing with a 3.5-turn air-core coil and an adjustable internal core that allows precise inductance tuning. With an inductance range of 38nH to 55nH (nominal 46.5nH) and a rated current of 300mA, this variable inductor is ideal for frequency adjustment and circuit calibration in wireless communication equipment, FM radios, TV receivers, RF instruments, and other high-frequency electronic systems. It is lead-free and compliant with RoHS and REACH standards.
يُعد ملف الحث المتغير MD0505 5×5-3.5T مكونًا مدمجًا مخصصًا لتطبيقات الترددات العالية ضمن نطاق 30 ميجاهرتز إلى 200 ميجاهرتز. يتميز بهيكل مصبوب بحجم 5×5 مم مع ملف هوائي بعدد 3.5 لفة وقلب داخلي قابل للضبط يسمح بالتحكم الدقيق في قيمة الحث. يوفر نطاق حث يتراوح بين 38 نانوهنري و55 نانوهنري بقيمة اسمية 46.5 نانوهنري، مع تيار مقنن يبلغ 300 مللي أمبير. يُستخدم في ضبط التردد ومعايرة دوائر RF في أجهزة الاتصالات اللاسلكية، وأجهزة الراديو FM، ومستقبلات التلفاز، وأجهزة القياس الإلكترونية، وهو متوافق مع معايير RoHS و REACH.
The MD0505 Adjustable Molded Variable Inductor is a high-frequency tuning component designed to provide accurate inductance adjustment in RF and communication circuits. The component incorporates a 3.5-turn air-core coil enclosed within a compact 5×5mm molded housing, ensuring stable electrical performance while maintaining a small footprint.
Its adjustable internal core enables precise tuning of inductance values, making it suitable for resonant circuits, oscillators, RF amplifiers, filters, and frequency calibration applications. Operating efficiently across a frequency range of 30MHz to 200MHz, the inductor supports reliable performance in wireless communication systems and radio-frequency equipment.
With an inductance range from 38nH to 55nH and a rated current of 300mA, the MD0505 offers flexibility for fine frequency adjustments while maintaining low losses at high frequencies. The device is manufactured using lead-free materials and complies with RoHS and REACH environmental standards.
Specifications
| Parameter | Value |
|---|---|
| Model | MD0505 5×5-3.5T |
| Type | Adjustable Molded Variable Inductor |
| Coil Structure | Air-Core, 3.5 Turns |
| Housing Size | 5 × 5 mm |
| Inductance Range | 38nH – 55nH |
| Nominal Inductance | 46.5nH |
| Operating Frequency Range | 30MHz – 200MHz |
| Rated Current | 300mA |
| Temperature Coefficient | 100 ~ 150 ppm/°C |
| Adjustment Method | Internal Adjustable Core |
| Compliance | RoHS & REACH Compliant |
| Material | Lead-Free Construction |
Applications
- Wireless transceivers
- FM radio receivers and transmitters
- TV receiver tuning circuits
- RF communication equipment
- Oscillator and resonant circuits
- Frequency adjustment and calibration systems
- Signal filtering networks
- Electronic test and measurement instruments
- High-frequency RF development projects
- Telecommunication devices