HHMR Series – SMD Standard Low ESR Conductive Polymer Hybrid Aluminum Electrolytic Capacitors

2025-10-12

What is HHMR?

The HHMR series is Hongda’s latest line of chip-type conductive polymer hybrid aluminum electrolytic capacitors. These capacitors combine the advantages of liquid electrolytic capacitors and conductive polymers, offering high reliability, long endurance, and low ESR performance in compact SMD packages.

They are designed for demanding applications where stability, efficiency, and durability are critical.

Key Specifications

1. Operating Temperature Range: -55°C ~ +125°C
2. Rated Voltage: 16V ~ 100V
3. Capacitance Range: 22µF ~ 1500µF
4. Tolerance: ±20% at 120Hz, 20°C
5. Load Life: 4000 hours at +125°C
6. Leakage Current: ≤0.01CV
7. Low ESR: excellent frequency characteristics at 100kHz
8. RoHS & REACH compliant, Halogen-free

Applications

HHMR capacitors are widely used in applications requiring high reliability and stable performance under harsh conditions:

1. Automotive electronics (ECUs, infotainment, ADAS, power modules)
2. Industrial power supplies and automation equipment
3. Telecom and networking devices
4. Consumer electronics and high-performance computing
5. Renewable energy systems and battery management units (BMU)

Advantages of HHMR Series

Compared with standard aluminum electrolytic capacitors, HHMR offers:

1. Low ESR: better high-frequency performance and reduced heat generation.
2. High ripple current capability: suitable for power circuits with heavy load.
3. Extended endurance: 4000 hours at +125°C ensures long service life.
4. Wide temperature range: reliable operation from -55°C up to +125°C.
5. Stable performance under humidity and thermal stress.
6. Compact SMD design: optimized for automated PCB assembly.

Why Choose HHMR Over Big Brands?

When compared with well-known global brands, Hongda’s HHMR series offers:

1. Equal or better endurance (4000h @125°C) at a more competitive cost.
2. Lower ESR values for stable performance in high-frequency circuits.
3. Faster lead times (4 weeks) ensuring supply chain flexibility.
4. Proven quality – already supplied to leading OEMs and EMS companies worldwide.
5. Customization available to meet special requirements.

Conclusion

The HHMR series represents the new generation of hybrid electrolytic capacitors – combining the stability of polymer technology with the high voltage handling of traditional electrolytics.

If you are looking for high performance, reliability, and cost-effective alternatives to major brands, the HHMR series from Hongda Capacitors is your trusted solution.

Contact us today to discuss your SMD aluminum capacitor needs.

Email: cherry@hongdacap.com.hk

Mobile: +86 150 1478 9190 (Wechat/Whatsapp)