TDK HHM1775B1, HHM Series specifications Shapes and Dimensions, Recommended PC Board Patterns

Multilayer Chip Baluns For UWB

HHM Series HHM1775B1

(1/2)

Conformity to RoHS Directive

SHAPES AND DIMENSIONS
0.1		1.6±0.1	0.6±0.1
	6	5	4
0.15±
			±0.1
			0.8	Terminal functions
	1	2	3
				1	Unbalanced port
	0.55±0.1		0.3±0.1
				2	GND or DC feed+ RF GND
				3	Balanced port
				4	Balanced port
				5	GND
				6	N.C.

0.1±0.1 0.25±0.1 Dimensions in mm

RECOMMENDED PC BOARD PATTERNS

0.3 0.25 0.25

0.85

0.5

0.5 0.2

0.3

Unbal port	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		100Ω
Frequency range		3100 to 4900MHz
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 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.

001-01 / 20080106 / e751_hhm1775b1