TDK ANT1085-4R1 specifications Shapes and Dimensions, Recommended PC Board Patterns

Multilayer Chip Antennas For UWB

ANT Series ANT1085-4R1

(1/3)

Conformity to RoHS Directive

SHAPES AND DIMENSIONS

Top view

	8.5±0.2
10±0.2		TDK ANT 1085
1.2±0.2

Bottom view

1	3.25	3.25
1.3		13-ø0.95
4-Pitch
	4

3.7	2
1	3	Terminal functions
2.4	0.6	1	GND
0.6		2	DC feed
		3	GND
3.5	1.5
		4	Pad(NC)
5.5		Dimensions in mm

RECOMMENDED PC BOARD PATTERNS

PCB material : FR-4

PCB thickness : 0.8 mm

	2
43	8.7
	31.75
	17
	8.7
	7.26
	24
	Hatching : Back side

1	3.25	3.25
4-Pitch 1.3
3.7	0.5	0.5
	1	1

13-ø1.15

1.25

2.46

Dimensions in mm

ELECTRICAL CHARACTERISTICS			FREQUENCY CHARACTERISTICS
			VSWR
Part No.		ANT1085-4R1-01A
Operating frequency range		3.1 to 5.2GHz		10
Polarization		Linear(mixed)
				9
Antenna gain		2.0dBi typ.
				8
Impedance		50Ω
				7
VSWR		3max.	VSWR
				6
Temperature range	Operating	–30 to +85°C
				5
	Storage	–40 to +85°C
				4
				3
				2
				1
					2	2.5	3	3.5	4	4.5	5	5.5	6
								Frequency(GHz)

•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 / 20080114 / e821_ant1085