NEC NDL7401PD, NDL7401P, NDL7401P1C, NDL7401P1, NDL7401P2D Datasheet

DATA SHEET

LASER DIODE

NDL7401P Series

1 310 nm InGaAsP STRAINED MQW DC-PBH LASER DIODE COAXIAL MODULE WITH SINGLE MODE FIBER

DESCRIPTION

NDL7401P Series is 1 310 nm laser diode coaxial module with single mode fiber. It has a strained Multiple Quantum Well (st-MQW) structure and a built-in InGaAs monitor photo diode. It is recommended for junction and access network systems.

The series is also available in FC-PC and SC-PC connector.

FEATURES				•
•	Center wavelength	λC = 1 310 nm
• High output power from fiber		Pf = 2.0 mW MIN.
•	Low threshold current	lth = 10 mA TYP. @TC = 25 °C
•	High cut-off frequency	fC = 2.0 GHz
• InGaAs monitor PIN-PD
• Wide operating temperature range		TC = −40 to +85 °C
• Based on Bellcore TA-NWT-000983
		PACKAGE DIMENSIONS		•
		in millimeters
	NDL7401P	NDL7401P1	NDL7401P2

Optical Fiber

SM-9/125

Length: 1 m

	φ 0.9	Optical Fiber		φ0.9
		SM-9/125	φ3.2±0.25
φ3.2±0.25
		Length: 1 m
φ7±0.2			φ7±0.2
5 15	27.4±1.0	2–φ 2.2	5 15	27.4±1.0
	20±1.0		2.0±0.2	4.0±0.2
		φ 0.45±0.05		20±1.0
			φ6±1.0
φ6±0.1			12.7±0.2
			17.0±0.2

Optical Fiber

SM-9/125

Length: 1 m

0.5±0.2
φ0.45±0.05	0.3

φ0.9 φ3.2±0.25

φ7±0.2

5 15	27.7±1.0
2.5±1.0	19.5±1.0	0.3

4–φ 0.45 ±0.05

P.C.D. = φ2 4 3

1 2

φ7±0.2

PIN CONNECTIONS

	PD							PD
4	3	P.C.D. = φ2	4	3		7.2±0.3	4	3
1	2		1	1.0±0.1	3.7±0.3		1	2
	LD			2				LD
CASE						CASE

φ			P.C.D. = φ2
16			2–	φ 2.5
		2	4	7±0.2
	3		1
	12±0.15
	16.0

2

PD

31CASE

4 LD

The information in this document is subject to change without notice.

Document No. P10466EJ3V0DS00 (3rd edition) Date Published June 1996 P

Printed in Japan

The mark • shows major revised points.

© 1995

NDL7401P Series

ORDERING INFORMATION

Part Number	Available Connector	Description
NDL7401P	Without Connector	No Flange
NDL7401PC	With FC-PC Connector
NDL7401PD	With SC-PC Connector
NDL7401P1	Without Connector	Flat Mount Flange
NDL7401P1C	With FC-PC Connector
NDL7401P1D	With SC-PC Connector
NDL7401P2	Without Connector	Vertical Flange
NDL7401P2C	With FC-PC Connector
NDL7401P2D	With SC-PC Connector

ABSOLUTE MAXIMUM RATINGS (TC = 25 °C, unless otherwise specified)

Parameter	Symbol	Ratings	Unit
Forward Current of LD	IF	Ith + 50	mA
Reverse Voltage of LD	VR	2.0	V
Forward Current of PD	IF	10	mA
Reverse Voltage of PD	VR	20	V
Operating Case Temperature	TC	−40 to +85	°C
Storage Temperature	Tstg	−40 to +85	°C
Lead Soldering Temperature (10 s)	Tsld	260	°C

2

NDL7401P Series

ELECTRO-OPTICAL CHARACTERISTICS (TC = 25 °C, unless otherwise specified)											•
Parameter	Symbol	Conditions					MIN.	TYP.	MAX.	Unit
Operating Voltage	Vop	Pf = 2.0 mW						1.1	1.3	V
Threshold Current	Ith							10	25	mA
		TC = 85 °C						25	50
Modulation Current	Imod	Pf = 2.0 mW						15	20	mA
Differential Efficiency from Fiber	ηd						0.100	0.150		W/A
		TC = 85 °C					0.075	0.100
Center Emission Wavelength	λC	Pf = 2.0 mW, RMS (−20 dB)					1 290	1 310	1 330	nm
		TC = −40 to +85 °C					1 260		1 360
Temperature Dependence of	λ/ T	TC = −40 to +85 °C						0.4	0.5	nm/°C
Center Emission Wavelength
Spectral Width	σ	Pf = 2.0 mW, RMS (−20 dB)						1.3	2.5	nm
		TC = 85 °C						1.5	4.0
Rise Time	tr	10 to 90 %						0.2	0.5	ns
Fall Time	tf	90 to 10 %						0.3	0.5	ns
Monitor Current	Im	VR = 5 V, Pf = 2.0 mW					100	700		μA
Monitor Dark Current	ID	VR = 5 V						0.1	10	nA
Tracking Error	γ*1	Im = const., TC = −40 to +85 °C							1.0	dB
Pf		Pf
*1 γ = 10 log 2.0 mW
		(mW)					TC = 25 ˚C
		2.0						TC = –40 to +85 ˚C
		Pf							Im
		0			Im

(@ Pf (25 ˚C) = 2.0 mW)

3