# DB0805A 3dB 90° Coupler 2017 MHz (DB0805A2017ASTR)

## General Description

· Based on thin-film multilayer technology.
· Miniature 0805 size.
· Designed for high-frequency wireless systems.
· RoHS Compliant.
· Supplied on T&R packaging.

## Features

· Miniature 0805 size
· Low Insertion Loss (I.Loss)
· High Isolation
· Surface mountable
· RoHS Compliant
· Supplied on T&R

## Applications

· Balanced Amplifiers
· Signal Distribution in Wireless Communications

## Electrical Parameters (Guaranteed -40°C to +85°C)

Parameter	Min	Typ	Max	Unit
Frequency	2010		2025	MHz
Port Impedance		50		Ω
Return Loss	12	26		dB
Isolation	12	17		dB
Insertion Loss		0.25	0.4	dB
Amplitude Balance		0.4	0.8	dB
Phase Balance (relative to 90º)		1	3	Degrees
Power Handling			5	Watts

## Dimensions (mm / inches)

· L: 2.03±0.1 (0.080±0.004)
· W: 1.55±0.1 (0.061±0.004)
· T: 0.98±0.15 (0.037±0.006)
· A: 0.56±0.25 (0.022±0.010)
· B: 0.35±0.15 (0.014±0.006)

## Recommended Pad Layout (mm)

· Refer to product specification for detailed layout.