HPIA4020 series SMD power inductor-High-Performance of SMD Power Inductors

2025-06-21

1. Product Overview

The HPIA4020 series SMD power inductor sets new standards for compact, high-performance energy storage in modern electronics. Manufactured by Hongda Capacitors, this inductor combines precision engineering with robust materials to deliver optimal performance in demanding applications. Its model designation—e.g., HPIA4020-2R2M-LF—encodes key specifications:

 

  • ① Product Symbol: SMD power inductor
  • ② Dimensions: 4.0×4.0×2.0mm
  • ③ Inductance: 2.2μH (2R2), with options for 10μH (100) or 100μH (101)
  • ④ Tolerance: ±20% (M) or ±30% (N)
  • ⑤ Lead-Free: Compliant with environmental standards.

 

2. Key Technical Parameters

Parameter

Value

Inductance (L)

2.2μH ±20% (at 1MHz/1V)

DC Resistance (DCR)

Max. 0.048Ω, Typ. 0.040Ω

Saturation Current (Isat)

Typ. 7.6A, Max. 6.10A

Rated Current (Irms)

Typ. 5.00A, Max. 4.30A

Operating Temperature

-40°C to +125°C (including self-heating)

Maximum Voltage

DC 20V

 

3. Technical Advantages

3.1 Compact Design with High Power Density

The 4.0×4.0×2.0mm form factor ensures space-saving integration, while the mixed alloy core material enhances magnetic permeability, minimizing energy loss.

3.2 Superior Electrical Performance

  • Low DCR: Reduces power dissipation, improving efficiency in high-current circuits.
  • High Saturation Current: Maintains inductance stability under heavy loads, critical for DC-DC converters.
  • Wide Temperature Range: Operates reliably in extreme environments, from automotive engines to industrial machinery.

3.3 Lead-Free and RoHS Compliant

Meets global environmental standards, ideal for eco-friendly device designs.

High-Performance of SMD Power Inductors

4. Reliability and Testing

The HPIA4020 undergoes rigorous testing to ensure durability:

 

Test Item

Conditions

Solder ability

255±5°C for 5±0.5s, 95% minimum solder coverage

Thermal  Shock

-40°C to 125°C, 300 cycles, 15 minutes per temperature

Humidity Resistance

85°C/85% RH for 1000 hours, unpowered

Vibration

10-2000Hz, 1.5mm amplitude, 12 hours in X/Y/Z directions

5. Applications

Perfect for:

 

  • Consumer Electronics: Smartphones, laptops, and wearables requiring compact power solutions.
  • Automotive Systems: Engine control units, LED lighting, and infotainment systems which are in Non-critical safety parts
  • Industrial Equipment: Motor drives, renewable energy converters, and robotics.

 

6. Packaging and Storage

  • Packaging: 2000 PCS/reel, tape-and-reel format for automated assembly.
  • Storage: -10°C to +35°C, <70% RH, in airtight packaging to prevent oxidation.

 

Conclusion
The HPIA4020 SMD power inductors combine precision, durability, and efficiency, making it an indispensable component for modern electronic designs. For inquiries, contact emily@hongdacap.com.hk or visit www.hongdacap.com.hk.

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