TDK HHM Series HHM1518A3 specifications Shapes and Dimensions, Circuit Diagram

Multilayer Chip Baluns For DCS-PCS/Tx & Rx

HHM Series HHM1518A3

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		150Ω
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		150Ω
Frequency range		1710 to 1990MHz
Unbalanced port return loss		10dB min.
Phase imbalance at balanced port		180±10deg.
Amplitude imbalance at balanced port		0±1.0dB
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.

001-02 / 20080106 / e751_hhm1518a3.fm