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Unidirectional Integrated Tap Photodiode (UTPD)

Unidirectional Integrated Tap Photodiode (UTPD)

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Description

Unidirectional Integrated Tap Photodiode (UTPD)

The Unidirectional Integrated Tap Photodiode (UTPD) integrates the functionality of an optical coupler and a photodiode for optical network's power monitoring. The unidirectional feature allows the PD to respond power from input port only. It can be applied for channel power monitoring in DWDM system, optical fiber line auto switch protection equipment (OLP), re-configurable optical add/drop multiplexer (OADM), and gain/attenuation monitoring in EDFA, etc.

Specifications
Parameter	Unit	Value
Operating Wavelength Range (λop)	nm	1528 - 1567
Max. Insertion Loss 1%	dB	0.3
2%	dB	0.4
5%	dB	0.5
10%	dB	0.9
50%	dB	3.5
Max Wavelength Dependent Loss	dB	0.2
Max. Polarization Dependent Loss	dB	0.05
Min. Return Loss	dB	45
Responsivity 1%	mA/W	7 - 15
2%	mA/W	14 - 25
5%	mA/W	35 - 65
10%	mA/W	75-120
50%	mA/W	392-570
Min. Directivity From Output to PD**	dB	25
Max. Wavelength Dependent Responsivity***	dB	+/-0.4
Max. Dark Current (@70 ℃, -5 V bias)	nA	2
Max. Optical Power 1%	mW	1000
2%	mW	500
5%	mW	200
10%	mW	100
50%	mW	20
Max. Power on PD Chip	mW	10
Max. Linearity Optical Power from -40dBm to +10 dBm on PD (-5V bias)	%	5
Fiber Type		SMF-28 Ultra Fiber
Operating Temperature	℃	-5 to +75
Storage Temperature	℃	-40 to+85
Soldering Tempeature (Over 2mm from Head, Less than 5s)	℃	≤ 260

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.