TDK HHM Series HHM1727D1 specifications Shapes and Dimensions, Circuit Diagram

Multilayer Chip Baluns For WiMAX

HHM Series HHM1727D1

(1/2)

Conformity to RoHS Directive

SHAPES AND DIMENSIONS

		1.6±0.1		0.6±0.1
	6	5	4
						0.8±0.1		Terminal functions
1		2	3
							1		Unbalanced port
0.55±0.1				0.3±0.1
								2	GND
							3	Balanced port
								4	Balanced port
								5	GND
								6	N.C.
0.1±0.1 0.25±0.1					Dimensions in mm

CIRCUIT DIAGRAM

Unbalanced

input 50Ω

6	5	4
		Balanced
		output
		50Ω
1	2	3

RECOMMENDED PC BOARD PATTERNS

0.3

0.85 0.5

0.5

Unbal port

0.25 0.25

0.2

0.3

Bal port

Land

ø0.3 Through-hole Dimensions in mm

Line width be designed to match 50Ω characteristic impedance depending on

PCB material and thickness.

ELECTRICAL CHARACTERISTICS

Unbalanced impedance		50Ω
Balanced impedance		50Ω
Frequency range		3300 to 3900MHz
Unbalanced port return loss		10dB min.
Phase imbalance at balanced port		180±15deg
Amplitude imbalance at balanced port		0±1.5dB
Insertion loss		1.2dB
	[800 to 960MHz]	11dB min.
Attenuation	[1700 to 1900MHz]	4dB min.
	[1900 to 1980MHz]	3.5dB min.(4dB typ.)
Power capacity		0.5W max.
Temperature range	Operating	–40 to +85°C
	Storage	–40 to +85°C
Packaging style and quantities		4000pieces/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.

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