Description

1.4W-2W 445nm Nichia Laser Diode NDB 7775 NDB7775

Wavelength:445(nm)

Output Power: 1600(mW) min 1400mW

Transerve model:Multi-model

Operation Model:CW

Ellipticity:>95%

Beam Quality(M2):<1.5

Power Stability <5%(rms,over 4hours)

Pointing Stability:<5%(mrad,after warm up)

Warm up Time:<1(minutes)

Beam Divergence: <1.5(mrad,full angle)

Beam Diameter:<1.5(mm,at beam aperture after collimation lens)

Opeartion Tempearture:10-35(°C)

Input Voltage:<5.5VDC

Input Current:<1.8A 1800mA

Package TO5 9mm

Note:

1. Only for experts and users who know it well.
2. Duty cycle without heatsink: 5 seconds on, 1 seconds off.
3. Working life: testing life with heatsink.
4. 6 Months warranty.
5. DO NOT use it for long time without heatsink.

1.Specifications

(1)Absolute Maximum Rantings

Item	Symbol	Absolute Maximum Ratings	Unit
Forward Current	If	1.7	A
Allowable Reverse Current	Ir(LD)	85	mA
Storage Temperature	Tstg	-40~85	℃
Operating Case Temperature	Tc	0~50	℃

(2).Initial Electrical/Optical Characteristics

Item		Symbol	Test Condition	Min.	Typ.	Max.	Unit
Optical Output Power*2)		Po	If=1.2A	1.4	(1.6)	–	W
Dominant Wavelength*3)		λd	If=1.2A	440	–	455	nm
Threshold Current		Ith	CW Operation	80	–	220	mA
Slope Efficiency		η	CW Operation	1.0	–	2.0	W/A
Operating Voltage		Vop	If=1.2A	3.7	–	5.5	V
Beam Divergence	Parallel	Θ∥	If=1.2A	5	（14）	25	o
	Perpendicular	Θ⊥	If=1.2A	30	（44）	50	o
Beam Pointing Accuracy	Perpendicular	ΔΘ⊥	If=1.2A	-5.0	–	5.0	o
Lifetime		Life	*5)	–	20000	–	Hr