Multilayer Chip Baluns

For Bluetooth & 2.4GHz W-LAN

HHM Series HHM1521

SHAPES AND DIMENSIONS

 

 

2.0±0.15

 

 

 

0.95±0.1

 

 

 

 

 

 

6

 

5

 

4

 

 

 

 

 

 

 

 

 

 

 

0.25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

±0.15

 

 

 

 

 

 

1

 

2

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.25

 

 

0.1+ –0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal functions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.65±0.2

 

 

 

0.3±0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Unbalanced port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

GND or DC feed+ RF GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Balanced port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Balanced port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

N.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.2

±

0.2

0.35±

0.2

 

 

 

Dimensions in mm

CIRCUIT DIAGRAM

6

5

4

Unbalanced

 

Balanced

input

 

output

50Ω

 

200Ω

1

2

3

RECOMMENDED PC BOARD PATTERNS

(1/2)

Conformity to RoHS Directive

0.30.2 This width is 50Ω.

Micro-strip line for 0.4mm thick glass-epoxy substrate.

0.8

6

 

0.6

 

0.8

1

 

5

2

4

3

 

 

 

 

ø0.3 Through-hole

0.3

 

 

 

 

 

 

 

 

 

Dimensions in mm

ELECTRICAL CHARACTERISTICS

Unbalanced impedance

50Ω

Balanced impedance

200Ω

Frequency range

2400 to 2500MHz

Unbalanced port return loss

10dB min.

Phase imbalance at balanced port

180±10deg.

Amplitude imbalance at balanced port

0±2.0dB

Insertion loss

1.0dB max.

Temperature range

Operating

–40 to +85°C

Storage

–40 to +85°C

 

Packaging style and quantities

2000pieces/reel

Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.

All specifications are subject to change without notice.

001-03 / 20080106 / e751_hhm1521.fm

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TDK HHM Series HHM1521 specifications Multilayer Chip Baluns For Bluetooth & 2.4GHz W-LAN

HHM Series HHM1521 specifications

The TDK HHM Series HHM1521 represents a cutting-edge advancement in high-performance power inductors, designed to meet the evolving demands of various electronic applications. This component is particularly noted for its compact size, high efficiency, and exceptional reliability, making it an ideal choice for power management solutions in automotive, industrial, and consumer electronics.

One of the standout features of the HHM1521 is its impressive inductance range, which allows designers to select the optimal inductor value for their specific application. The series showcases a maximum current rating that accommodates high ripple currents, making it well-suited for use in DC-DC converters, filter circuits, and power supply designs. This versatility enhances its use in applications ranging from power supplies to battery management systems, where efficiency and space-saving are paramount.

The HHM1521 employs TDK’s proprietary materials and manufacturing technologies, which contribute to its performance characteristics. The inductor is constructed using a ferrite core material optimized for low core losses at high frequencies, thus improving overall efficiency. Additionally, the product features a robust design that can withstand thermal stress, making it reliable even in environments with fluctuating temperatures.

In terms of footprint, the HHM1521 is designed with a small form factor, facilitating ease of integration into compact circuit layouts. Its design follows the industry-standard dimensions, enabling seamless replacement in existing layouts without necessitating significant redesign efforts.

A significant characteristic of the HHM1521 is its high saturation current capability, which ensures that it can maintain performance under high load conditions. This feature enhances the longevity of devices incorporating the HHM1521 in their designs, minimizing the need for frequent replacements and maintenance.

Furthermore, the HHM1521’s electrical performance is complemented by its environmental qualifications. The component is designed to comply with various international standards, ensuring it meets industry requirements for reliability and quality. This compliance is particularly valuable in sectors such as automotive and industrial, where adherence to rigorous standards is crucial.

In conclusion, the TDK HHM Series HHM1521 offers a compelling combination of compact size, high performance, and reliability. Its advanced technologies and robust characteristics make it a premier choice for engineers seeking effective power management solutions across a wide range of applications. As electronic devices continue to evolve, the HHM1521 is equipped to meet and exceed the demands of tomorrow's innovations.